<?xml version="1.0" encoding="ISO-8859-1"?>
<varlist name="Boston1991" delimiter="\t">
    <variable name="id" desc="Household ID number" start="1" end="4" type="numeric"/>
    <variable name="persnum" desc="Person serial number" start="5" end="6" type="numeric"/>
    <variable name="tripnum" desc="Trip number" start="7" end="8" type="numeric"/>	
    <variable name="purpose" desc="Trip Purpose" start="9" end="10" type="numeric">
        <category code="00" label="Non home based, unknown purpose"/>
        <category code="01" label="At home trip"/>
        <category code="02" label="Home based pick up or drop off"/>
        <category code="03" label="Home based work"/>
        <category code="04" label="Home based work related"/>
        <category code="05" label="Home based school"/>
        <category code="06" label="Home based shopping"/>
        <category code="07" label="Home based social"/>
        <category code="08" label="Home based recreational"/>
        <category code="09" label="Home based eat out"/>
        <category code="01" label="Home based banking or personal business"/>
        <category code="02" label="Home based other"/>
        <category code="03" label="Non home based work or work related"/>
        <category code="04" label="Non home based other"/>
        <category code="05" label="Only walking, biking or unknown mode"/>
        <category code="06" label="Only school bus trips"/>
        <category code="07" label="Only taxi trips"/>
        <category code="08" label="Home based unknown purpose"/>
    </variable>
    <variable name="opurpose" desc="Other Purpose" start="11" end="17" type="numeric">
        <category code="0000000" label="undefined"/>
        <category code="0000001" label="At home"/>
        <category code="0000002" label="Pick-up or drop off"/>
        <category code="0000003" label="Work"/>
        <category code="0000004" label="Work related"/>
        <category code="0000005" label="School"/>
        <category code="0000006" label="Shopping"/>
        <category code="0000007" label="Social"/>
        <category code="0000008" label="Recreational"/>
        <category code="0000009" label="Eat out"/>
        <category code="0000010" label="Banking or personal business"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="ostate" desc="State of origin" start="18" end="19" type="string"/>
    <variable name="ocounty" desc="County of origin" start="20" end="26" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="omcd" desc="Town or city of origin" start="27" end="33" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="otract90" desc="1990 Census tract of origin" start="34" end="40" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="oblock90" desc="1990 Census block of origin" start="41" end="47" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="omdpwz" desc="MDPW traffic zone of origin" start="48" end="54" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="oluz" desc="Land use zone of origin" start="55" end="61" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="odist" desc="RS district of origin" start="62" end="68" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="oring" desc="RS ring of origin" start="69" end="75" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="osect" desc="RS sect of origin" start="76" end="82" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dpurpose" desc="Other Purpose" start="83" end="89" type="numeric">
        <category code="0000000" label="undefined"/>
        <category code="0000001" label="At home"/>
        <category code="0000002" label="Pick-up or drop off"/>
        <category code="0000003" label="Work"/>
        <category code="0000004" label="Work related"/>
        <category code="0000005" label="School"/>
        <category code="0000006" label="Shopping"/>
        <category code="0000007" label="Social"/>
        <category code="0000008" label="Recreational"/>
        <category code="0000009" label="Eat out"/>
        <category code="0000010" label="Banking or personal business"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dstate" desc="State of destination" start="90" end="91" type="string"/>
    <variable name="dcounty" desc="County of destination" start="92" end="98" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dmcd" desc="Town or city of destination" start="99" end="104" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dtract90" desc="1990 Census tract of destination" start="105" end="111" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dblock90" desc="1990 Census block of destination" start="112" end="118" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="dmdpwz" desc="MDPW traffic zone of destination" start="119" end="125" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="luzone" desc="Land use zone of destination" start="126" end="132" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="district" desc="RS district of destination" start="133" end="139" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="ring" desc="RS ring of destination" start="140" end="146" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="sector" desc="RS sect of origin" start="147" end="153" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="begtime" desc="Time trip began - 24 hours" start="154" end="160" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="fintime" desc="Time trip ended - 24 hours" start="161" end="167" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode1" desc="First mode used" start="168" end="174" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode2" desc="First mode used" start="175" end="181" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode3" desc="First mode used" start="182" end="188" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode4" desc="First mode used" start="189" end="195" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode5" desc="First mode used" start="196" end="202" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mode6" desc="First mode used" start="203" end="209" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Walk"/>
        <category code="0000002" label="Car, van or pickup truck"/>
        <category code="0000003" label="MBTA bus"/>
        <category code="0000004" label="Red, green, orange or blue line buses"/>
        <category code="0000005" label="Commuter rail"/>
        <category code="0000006" label="The ride"/>
        <category code="0000007" label="Non MBTA bus"/>
        <category code="0000008" label="School bus"/>
        <category code="0000009" label="Bicycle"/>
        <category code="0000010" label="Taxi"/>
        <category code="0000011" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mins" desc="Length of trip in minutes" start="210" end="216" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="alone" desc="Did traveler drive alone" start="217" end="223" type="numeric">
        <category code="0000001" label="Drove alone"/>
        <category code="0000002" label="Rode with others"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="numothr" desc="Number of other riders" start="224" end="230" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="carpkd" desc="Was the car parked" start="231" end="237" type="numeric">
        <category code="0000001" label="Car was parked"/>
        <category code="0000002" label="Car was not parked"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="pktype" desc="Where was the car parked" start="238" end="244" type="numeric">
        <category code="0000001" label="Car parked at private residence"/>
        <category code="0000002" label="Car parked on the street"/>
        <category code="0000003" label="Car parked in parking lot or garage"/>		
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="pkcost0" desc="Car parked free" start="245" end="251" type="numeric">
        <category code="0000000" label="Car not free to park"/>
        <category code="0000001" label="Car was parked free"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="pkcost" desc="Car parking cost" start="252" end="258" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="monthday" desc="Car parking free period" start="259" end="265" type="numeric">
        <category code="0000001" label="Monthly parking free"/>
        <category code="0000002" label="Daily parking free"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="cashfare" desc="Cash fare" start="266" end="273" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="passcst" desc="Monthly pass cost" start="274" end="280" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="bookcst" desc="Multiride ticket cost" start="281" end="287" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="orde" desc="Origin-destination internal external code" start="288" end="294" type="numeric">
        <category code="0" label="Unknown origin or destination"/>
        <category code="1" label="Internal origin to internal destination"/>
        <category code="2" label="Internal origin to external destination"/>
        <category code="3" label="External origin to internal destination"/>
        <category code="4" label="External origin to external destination"/>
    </variable>
    <variable name="biryr" desc="Multiride ticket cost" start="295" end="301" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="relat" desc="Relationship of person to respondent" start="302" end="308" type="numeric">
        <category code="00000001" label="Self"/>
        <category code="00000002" label="Spouse"/>
        <category code="00000003" label="Son or daughter"/>
        <category code="00000004" label="Father or mother"/>
        <category code="00000005" label="Brother or sister"/>
        <category code="00000006" label="Grandparent"/>
        <category code="00000007" label="Other relation"/>
        <category code="00000008" label="Not related"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="over5" desc="Person 5 or older in HH" start="309" end="315" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hhsize" desc="Household size" start="316" end="322" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="under5" desc="Number younger than 5 in HH" start="323" end="329" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="guests" desc="Guests 5 or older on diary day" start="330" end="336" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="compdry" desc="Diaries completed in HH" start="337" end="337" type="numeric"/>
    <variable name="diary" desc="Did person complete diary or is person a guest" start="338" end="338" type="numeric">
        <category code="0" label="Person did not complete"/>
        <category code="1" label="Person did complete"/>
        <category code="2" label="Person was guest"/>
    </variable>
    <variable name="sex" desc="Sex of person HH form" start="339" end="345" type="numeric">
        <category code="0000001" label="Male"/>
        <category code="0000002" label="Female"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="csex" desc="Sex of person diary cover" start="346" end="352" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="drive" desc="Is the person a licensed driver" start="353" end="359" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="numvehrc" desc="Number of vehicles in HH" start="360" end="366" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hhincrc" desc="Household income recruit" start="367" end="373" type="numeric">
        <category code="00000001" label="less than 20,000"/>
        <category code="00000002" label="20,000 - 39,999"/>
        <category code="00000003" label="40,000 - 59,999"/>
        <category code="00000004" label="60,000 - 79,999"/>
        <category code="00000005" label="80,000 - 99,999"/>
        <category code="00000006" label="Greater than or equal to 100,000"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hhincdd" desc="Household income HH form" start="374" end="380" type="numeric">
        <category code="00000001" label="less than 20,000"/>
        <category code="00000002" label="20,000 - 39,999"/>
        <category code="00000003" label="40,000 - 59,999"/>
        <category code="00000004" label="60,000 - 79,999"/>
        <category code="00000005" label="80,000 - 99,999"/>
        <category code="00000006" label="Greater than or equal to 100,000"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="empfl" desc="Is person full time worker" start="381" end="387" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="emppt" desc="Is person part time worker" start="388" end="394" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="homem" desc="Is person homemaker" start="395" end="401" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="retir" desc="Is person retired" start="402" end="408" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="seek" desc="Is person seeking employment" start="409" end="415" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="nosek" desc="Is person not seeking employment" start="416" end="422" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="othem" desc="Is person other employment status" start="423" end="429" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="stud" desc="Is person enrolled student" start="430" end="436" type="numeric">
        <category code="0000000" label="Not enrolled"/>
        <category code="0000001" label="full time student"/>
        <category code="0000001" label="Part time student"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="payslf" desc="Person gets no commute benefits" start="437" end="443" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="cocar" desc="Person gets company car" start="444" end="450" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="milex" desc="Person gets mileage expense" start="451" end="457" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="prfpk" desc="Person gets company car" start="458" end="464" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="trnps" desc="Person gets transit pass" start="465" end="471" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="othbn" desc="Person has other commute benefits" start="472" end="478" type="numeric">
        <category code="0000000" label="No"/>
        <category code="0000001" label="Yes"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="dutype" desc="Dwelling type" start="479" end="485" type="numeric">
        <category code="00000001" label="Single family house"/>
        <category code="00000002" label="Townhouse or condo"/>
        <category code="00000003" label="Apartment"/>
        <category code="00000004" label="Duplex"/>
        <category code="00000005" label="Mobile home"/>
        <category code="00000006" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="ownrent" desc="Owners or renters" start="486" end="492" type="numeric">
        <category code="00000001" label="Own"/>
        <category code="00000002" label="Rent"/>
        <category code="00000003" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="othtel" desc="Number of HH telephones" start="493" end="499" type="numeric">
        <category code="00000001" label="One"/>
        <category code="00000002" label="Two"/>
        <category code="00000003" label="Three"/>
        <category code="00000004" label="Four"/>
        <category code="00000005" label="Five"/>
        <category code="00000006" label="Six or more"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="intern" desc="Internal HH trips" start="500" end="501" type="numeric"/>
    <variable name="hbdopu" desc="Home based pick up or drop off trips" start="502" end="503" type="numeric"/>	
    <variable name="hbwork" desc="Home based work trips" start="504" end="505" type="numeric"/>
    <variable name="hbwkrel" desc="Home based work related trips" start="506" end="506" type="numeric"/>
    <variable name="hbschl" desc="Home based school trips" start="507" end="508" type="numeric"/>	
    <variable name="hbshop" desc="Home based shopping trips" start="509" end="509" type="numeric"/>
    <variable name="hbsoc" desc="Home based social trips" start="510" end="511" type="numeric"/>
    <variable name="hbrec" desc="Home based recreational trips" start="512" end="513" type="numeric"/>
    <variable name="hbeat" desc="Home based eating out trips" start="514" end="515" type="numeric"/>	
    <variable name="hbpb" desc="Home based personal business trips" start="516" end="517" type="numeric"/>	
    <variable name="hboth" desc="Home based other trips" start="518" end="519" type="numeric"/>	
    <variable name="nhbw" desc="Non Home based work trips" start="520" end="521" type="numeric"/>	
    <variable name="onhb" desc="Other non Home based trips" start="522" end="523" type="numeric"/>	
    <variable name="notrpps" desc="No trips flag" start="524" end="524" type="numeric">
        <category code="0" label="Took some trips"/>
        <category code="1" label="Took no trips"/>
    </variable>
    <variable name="walkbike" desc="Walk or bike trips" start="525" end="526" type="numeric"/>	
    <variable name="schbus" desc="School bus trips" start="527" end="528" type="numeric"/>	
    <variable name="taxi" desc="Taxi trips" start="529" end="530" type="numeric"/>	
    <variable name="state" desc="State of residence" start="531" end="532" type="numeric"/>		
    <variable name="county" desc="Code fore residence county" start="533" end="539" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mcd" desc="Code for residence town or city" start="540" end="546" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="ziprc" desc="HH residence zip code" start="547" end="553" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="tract90" desc="1990 Census tract for residence" start="554" end="560" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="block90" desc="1990 Census block for residence" start="561" end="567" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="oldidrc" desc="Old HH ID number" start="568" end="574" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="mdpwzone" desc="MDPW traffic zone of residence" start="575" end="581" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="work" desc="Number of work and work related trips" start="582" end="588" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="school" desc="Number of school trips" start="589" end="595" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="age" desc="Age" start="596" end="602" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="adult" desc="Adult" start="603" end="609" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="child" desc="Child" start="610" end="616" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="worker" desc="Worker" start="617" end="617" type="numeric"/>
    <variable name="missage" desc="Missage" start="618" end="618" type="numeric"/>	
    <variable name="misswork" desc="Misswork" start="619" end="619" type="numeric"/>	
    <variable name="edit" desc="Edit" start="620" end="626" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="ad_male" desc="Ad male" start="627" end="633" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="males" desc="Males in HH - HH form" start="634" end="640" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="females" desc="Females in HH - HH form" start="641" end="647" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="cmales" desc="Males in HH - covers" start="648" end="654" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="cfemales" desc="Females in HH - covers" start="655" end="661" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="licdriv" desc="Licensed drivers in HH" start="662" end="668" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="numvehrc" desc="Number of vehicles in HH" start="669" end="675" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hhincrc" desc="Household income - recruit" start="676" end="682" type="numeric">
        <category code="00000001" label="less than 20,000"/>
        <category code="00000002" label="20,000 - 39,999"/>
        <category code="00000003" label="40,000 - 59,999"/>
        <category code="00000004" label="60,000 - 79,999"/>
        <category code="00000005" label="80,000 - 99,999"/>
        <category code="00000006" label="Greater than or equal to 100,000"/>
		<category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hhincdd" desc="Ad male" start="683" end="689" type="numeric">
        <category code="00000001" label="less than 20,000"/>
        <category code="00000002" label="20,000 - 39,999"/>
        <category code="00000003" label="40,000 - 59,999"/>
        <category code="00000004" label="60,000 - 79,999"/>
        <category code="00000005" label="80,000 - 99,999"/>
        <category code="00000006" label="Greater than or equal to 100,000"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="workers" desc="Workers in HH" start="690" end="696" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="fulltime" desc="Full time workers in HH" start="697" end="703" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="parttime" desc="Part time workers in HH" start="704" end="710" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="enrolld" desc="Enrolled students in HH" start="711" end="717" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="recdate" desc="Recruit date" start="718" end="724" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="assdate" desc="Assigned diary date" start="725" end="731" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="compdate" desc="Date on diary covers" start="732" end="738" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="recvdat" desc="Date diaries received" start="739" end="745" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="sthhsize" desc="Stratified HHSIZE 1-5+" start="746" end="752" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="stnumveh" desc="Stratified NUMVEH 0-3+" start="753" end="759" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="stincq" desc="Stratified income quartile 1-4" start="760" end="766" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="stwc" desc="Stratified number of workers 0-3+" start="767" end="773" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="rcellwgt" desc="Calculate cell wt- ring by size by veh" start="774" end="780" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="nhbunkp" desc="Non home based trips with unknown purpose" start="781" end="787" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="hbunkp" desc="Home based trips with unknown purpose" start="793" end="799" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="exttrp" desc="Trips atleast out of RPS area" start="800" end="806" type="numeric">
        <category code="9999999" label="Missing values"/>
    </variable>
</varlist>

