S1Q1 BIRTH YEAR-W2

Variable Description

Name
H2GI1Y
Label
S1Q1 BIRTH YEAR-W2
Description

Birth dates were recoded to ensure that the number of respondents in each category was 10 or more. Therefore, birth dates were collapsed into the following categories: 3/74 = 4/74 and earlier, 7/74 = 5/74-8/74, 11/74 = 9/74-12/74, 2/75 = 1/75-2/75, 4/75 = 3/75-4/75, 6/75 = 5/75-6/75, 6/83 = 5/83-7/83, 10/83 = 8/83 and later. Birth dates between 7/75-4/83 required no adjustment.

Dataset
wave2

Summary Statistics for 'H2GI1Y'

Value Valid Label Frequency % of Valid % of All
74 Valid 1974 and earlier 9
0.06%
0.06%
75 Valid 1975 66
0.45%
0.45%
76 Valid 1976 446
3.03%
3.03%
77 Valid 1977 1,690
11.47%
11.47%
78 Valid 1978 3,237
21.97%
21.96%
79 Valid 1979 3,180
21.58%
21.58%
80 Valid 1980 2,633
17.87%
17.87%
81 Valid 1981 2,077
14.09%
14.09%
82 Valid 1982 1,329
9.02%
9.02%
83 Valid 1983 and later 70
0.47%
0.47%
98 Missing refused 1
0.01%
Total Responses Valid Invalid Min Max
14738 14737 1 74 83

Representation

Representation Type
Code List
Selection Style
SelectOne
Measurement Unit
numeric
Measurement Unit
numeric
Aggregation Method
Unspecified
Temporal
False
Geographic
False
Missing Values
refused

Source Questions

H2GI1Y

Lineage

  • Wave II In-Home Interview - H2GI1Y
    S1Q1 BIRTH YEAR-W2

Concordance

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