Conceptual Variable

Name
2
Label
What is your birth date? Year of Birth
Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1Y H2GI1Y H3OD1Y H4OD1Y H5OD1Y
1974
0.17%
0.16%
0.12%
0.19%
1974 and earlier
0.06%
1975
0.75%
0.45%
0.82%
0.84%
0.84%
1976
6.16%
3.03%
5.99%
6.20%
5.91%
1977
18.59%
11.47%
17.29%
17.58%
17.66%
1978
19.82%
21.97%
19.81%
19.29%
19.49%
1979
18.92%
21.58%
18.72%
19.08%
18.74%
1980
15.52%
17.87%
15.81%
15.94%
15.73%
1981
12.02%
14.09%
12.77%
12.54%
12.56%
1982
7.69%
9.02%
8.25%
8.03%
8.58%
1983
0.37%
0.38%
0.37%
0.29%
1983 and later
0.47%
Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1Y H2GI1Y H3OD1Y H4OD1Y H5OD1Y
1974
0.17%
0.16%
0.12%
0.19%
1974 and earlier
0.06%
1975
0.75%
0.45%
0.82%
0.84%
0.84%
1976
6.15%
3.03%
5.99%
6.20%
5.91%
1977
18.57%
11.47%
17.29%
17.58%
17.65%
1978
19.81%
21.96%
19.81%
19.29%
19.48%
1979
18.90%
21.58%
18.72%
19.08%
18.73%
1980
15.51%
17.87%
15.81%
15.94%
15.72%
1981
12.01%
14.09%
12.77%
12.54%
12.55%
1982
7.68%
9.02%
8.25%
8.03%
8.58%
1983
0.37%
0.38%
0.37%
0.29%
1983 and later
0.47%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1GI1Y 20,728 17 74 83
Wave II In-Home Interview H2GI1Y 14,737 1 74 83
Wave III In-Home Interview H3OD1Y 15,197 0 1,974 1,983
Wave IV In-Home Interview H4OD1Y 15,701 0 1,974 1,983
Wave V Mixed-Mode Survey H5OD1Y 12,293 7 1,974 1,983
Add Health
Wave I Wave II Wave III Wave IV Wave V
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview Wave IV In-Home Interview Wave V Mixed-Mode Survey
H1GI1Y H2GI1Y H3OD1Y H4OD1Y H5OD1Y
1974 74 1974 1974 1974
1974 and earlier 74
1975 75 75 1975 1975 1975
1976 76 76 1976 1976 1976
1977 77 77 1977 1977 1977
1978 78 78 1978 1978 1978
1979 79 79 1979 1979 1979
1980 80 80 1980 1980 1980
1981 81 81 1981 1981 1981
1982 82 82 1982 1982 1982
1983 83 1983 1983 1983
1983 and later 83