Variable Description

Name
H3MN21
Label
S13Q21 HOW OLD WHEN SIGNED PLEDGE-W3
Logic

If Q20M and/or Q20Y = "don't know," ask Q21.

Dataset

Summary Statistics for 'H3MN21'

Value Valid Label Frequency % of Valid % of All
. Missing missing 2
0.01%
10 Valid 10 years old 2
1.48%
0.01%
11 Valid 11 years old 3
2.22%
0.02%
12 Valid 12 years old 6
4.44%
0.04%
13 Valid 13 years old 20
14.81%
0.13%
14 Valid 14 years old 20
14.81%
0.13%
15 Valid 15 years old 27
20.00%
0.18%
16 Valid 16 years old 17
12.59%
0.11%
17 Valid 17 years old 15
11.11%
0.10%
18 Valid 18 years old 14
10.37%
0.09%
19 Valid 19 years old 6
4.44%
0.04%
20 Valid 20 years old 1
0.74%
0.01%
21 Valid 21 years old 2
1.48%
0.01%
22 Valid 22 years old 2
1.48%
0.01%
95 Missing question not asked of this respondent 218
1.43%
97 Missing legitimate skip 14,793
97.34%
98 Missing don't know 49
0.32%
Total Responses Valid Invalid Min Max
15197 135 15062 10 22

Representation

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

Source Questions

H3MN21

Lineage

  • Wave III In-Home Interview - H3MN21
    S13Q21 HOW OLD WHEN SIGNED PLEDGE-W3
    • 21. How old were you when you signed it?

Concordance

Add Health
Wave III
Wave III In-Home Interview
Wave III In-Home Interview
H3MN21
10 years old
1.48%
11 years old
2.22%
12 years old
4.44%
13 years old
14.81%
14 years old
14.81%
15 years old
20.00%
16 years old
12.59%
17 years old
11.11%
18 years old
10.37%
19 years old
4.44%
20 years old
0.74%
21 years old
1.48%
22 years old
1.48%
Add Health
Wave III
Wave III In-Home Interview
Wave III In-Home Interview
H3MN21
10 years old
0.01%
11 years old
0.02%
12 years old
0.04%
13 years old
0.13%
14 years old
0.13%
15 years old
0.18%
16 years old
0.11%
17 years old
0.10%
18 years old
0.09%
19 years old
0.04%
20 years old
0.01%
21 years old
0.01%
22 years old
0.01%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave III In-Home Interview H3MN21 135 15,062 10 22
Add Health
Wave III
Wave III In-Home Interview
Wave III In-Home Interview
H3MN21
10 years old 10
11 years old 11
12 years old 12
13 years old 13
14 years old 14
15 years old 15
16 years old 16
17 years old 17
18 years old 18
19 years old 19
20 years old 20
21 years old 21
22 years old 22