|   Nature 
                and Nurture in Social Demography Year 4  | 
          
           
            Variable Name  | 
            Type  | 
            Digits in Code  | 
            Formula  | 
            Range  | 
            Variable Label  | 
          
           
            | DEMO5A | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            changes in education since last interview | 
          
           
            | DEMO5B | 
            NUM STR, TEXT | 
            1 | 
            1=re-enrolled in school, 2=changed schools, 3=decided not to attend 
              this semester, 4=dropped out, 5=failed out or expelled, 6=other 
              (describe) | 
             1 to 6 | 
            type of change in education since last interview | 
          
           
            | DEMO6A | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            changes with your job since last interview | 
          
           
            | DEMO6B | 
            NUM STR | 
            1 | 
            1=got a new job, 2=got a promotion or demotion, 3=quit your job, 
              4= got fired, 5=other (describe) | 
            1 to 5 | 
            type of changes with your job since last interview | 
          
           
            | DEMO6TI | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            does subject have a new job | 
          
           
            | DEMO6T2 | 
            TEXT | 
              | 
            subject's verbatim response | 
              | 
            description of new job | 
          
           
            | NORC | 
            NUM STR | 
            2 | 
            -77 | 
            -77 | 
            NORC score recorded as -77 to be scored later | 
          
           
             | 
          
           
            | SUBST1 | 
            NUM STR | 
            1 | 
            1=never, 2=once or twice, 3=occasionally but not regularly, 4=regularly 
              in the past, 5=regularly now | 
            1 to 5 | 
            frequency smoking cigarettes ever | 
          
           
            | SUBST2 | 
            NUM STR | 
            1 | 
            1=not at all, 2=less than one cigarette a day, 3=one to five cigarettes 
              per day, 4=about one-half pack per day, 5=about one pack per day, 
              6=about one and one-half packs per day, 7=two packs per day | 
            1 to 5 | 
            frequency smoking cigarettes in past 30 days | 
          
           
            | SUBST3 | 
            NUM STR | 
            1 | 
            1=never, 2=once or twice, 3=occasionally but not regularly, 4=regularly 
              in the past, 5=regularly now | 
            1 to 5 | 
            frequency chewing tobacco or using snuff ever | 
          
           
            | SUBST4 | 
            NUM STR | 
            1 | 
            1=not at all, 2=less than once per day, 3=once or twice per day, 
              4=three to five times per day, 5=five to ten times per day, 6=more 
              than ten times per day | 
            1 to 5 | 
            frequency chewing tobacco or using snuff in past 30 days | 
          
           
            | SUBST5B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions drinking alcoholic beverages in past 12 months | 
          
           
            | SUBST5C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions drinking alcoholic beverages in last 30 days | 
          
           
            | SUBST6 | 
            NUM STR | 
            1 | 
            1=more than once a day, 2=every day, 3=3-4 times per week, 4=1-2 
              times per week, 5=less often, 6=not at all | 
            1 to 6 | 
            occasions drinking alcohol per week | 
          
           
            | SUBST7 | 
            NUM STR | 
            1 | 
            1=1, 2=2, 3=3-4, 4=5-10, 5=10 or more | 
            1 to 5 | 
            drinks in a single occasion | 
          
           
            | SUBST8 | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3-5 times, 5=6-9 times, 6=10 
              or more times | 
            1 to 6 | 
            times having five or more drinks in last two weeks | 
          
           
            | SUBST9 | 
            NUM STR | 
            1 | 
            1=more than once a day, 2=every day, 3=3-4 times per week, 4=1-2 
              times per week, 5=less often, 6=not at all | 
            1 to 6 | 
            occasions drinking alcohol per week at the time of life drinking 
              the most | 
          
           
            | SUBST10 | 
            NUM STR | 
            1 | 
            1=1, 2=2, 3=3-4, 4=5-10, 5=10 or more | 
            1 to 5 | 
            drinks in a single occasion at the time of life drinking most | 
          
           
            | SUBST11B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using marijuana in last 12 months | 
          
           
            | SUBST11C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using marijuana in last 30 days | 
          
           
            | SUBST12A | 
            NUM STR | 
            1 | 
            1= yes, 2=no  | 
            1 or 2  | 
            use of other drugs in last 12 months | 
          
           
            | SUBST12B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions sniffing or inhaling gases in last 12 months | 
          
           
            | SUBST12C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions sniffing or inhaling gases in last 30 days | 
          
           
            | SUBST13B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using LSD or acid in last 12 months | 
          
           
            | SUBST13C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using LSD or acid in last 30 days | 
          
           
            | SUBST14B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using psychedelics other than LSD in last 12 months | 
          
           
            | SUBST14C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using psychedelics other than LSD in last 30 days | 
          
           
            | SUBST15B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using cocaine or crack in last 12 months | 
          
           
            | SUBST15C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using cocaine or crack in last 30 days | 
          
           
            | SUBST16B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions taken amphetamines in last 12 months | 
          
           
            | SUBST16C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions taken amphetamines in last 30 days | 
          
           
            | SUBST17B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using quaaludes in last 12 months | 
          
           
            | SUBST17C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using quaaludes in last 30 days | 
          
           
            | SUBST18B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using barbiturates in last 12 months | 
          
           
            | SUBST18C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using barbiturates in last 30 days | 
          
           
            | SUBST19B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using tranquilizers in last 12 months | 
          
           
            | SUBST19C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using tranquilizers in last 30 days | 
          
           
            | SUBST20B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using heroin in last 12 months | 
          
           
            | SUBST20C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using heroin in last 30 days | 
          
           
            | SUBST21B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using narcotics other than heroin in last 12 months | 
          
           
            | SUBST21C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1-2 times, 3=3-5 times, 4=6-9 times, 5=10-19 times, 
              6=20-39 times, 7=40 or more times | 
            1 to 7 | 
            occasions using narcotics other than heroin in the last 30 days | 
          
           
            | SUBST22 | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            times received a traffic ticket or been stopped and warned in 
              last 12 months | 
          
           
            | SUBST22A | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of tickets or warnings after drinking alcohol in last 12 
              months | 
          
           
            | SUBST22B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of tickets or warnings after smoking marijuana in last 
              12 months | 
          
           
            | SUBST22C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of tickets or warnings after using other illegal drugs 
              in last 12 months | 
          
           
            | SUBST23 | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of accidents while driving in the last 12 months | 
          
           
            | SUBST23A | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of accidents while driving after drinking alcohol in last 
              12 months | 
          
           
            | SUBST23B | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of accidents while driving after smoking marijuana in last 
              12 months | 
          
           
            | SUBST23C | 
            NUM STR | 
            1 | 
            1=0 times, 2=1 time, 3=2 times, 4=3 times, 5=4 or more times | 
            1 to 5 | 
            number of accidents while driving after using other illegal drugs 
              in last 12 months | 
          
           
            | DEMO7A | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            changes in marital status or living with unmarried partners since 
              last interview | 
          
           
            | DEMO7B | 
            NUM STR | 
            1 | 
            1=started living with a partner, 2=stopped living with a partner, 
              3=got married, 4=got divorced, 5=other (describe) | 
            1 to 5 | 
            type of changes in marital status or living with unmarried partners 
              since last interview | 
          
           
            | DEMO8 | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            change in the number of children in subject's life since last 
              interview | 
          
           
            | KIDNAME | 
            TEXT | 
              | 
            subject's verbatim response | 
              | 
            name of child | 
          
           
            | KIDSEX | 
            NUM STR | 
            1 | 
            0=female, 1=male | 
            0 or 1 | 
            sex of child | 
          
           
            | KIDBDAT | 
            NUM STR | 
            10 | 
            child's birth date | 
            mo/da/year | 
            birth date of child | 
          
           
            | KIDAGE | 
            NUM STR | 
            2 | 
            01=1yr old, 02=2yrs old.99=99 yrs old | 
            01 to 99 | 
            age of child | 
          
           
            | KIDRELAT | 
            NUM STR | 
            1 | 
            1=biological, 2=adopted, 3=foster, 4=not adopted by you, significant 
              other's child, 5=raising relative's child, 6=given up for adoption, 
              7=other (specify) | 
            1 to 7 | 
            relationship of child | 
          
           
            | MOREKIDS | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            more children | 
          
           
            | DEMO15A | 
            NUM STR | 
            1 | 
            1=yes, 2=no | 
            1 or 2  | 
            other major changes in subject's life since last interview | 
          
           
            | DEMO15B | 
            TEXT | 
              | 
            subject's verbatim response | 
              | 
            description of other major changes in subject's life since last 
              interview |