S31BQ4 MENSTR-AGE FIRST PERIOD-W2

Variable Description

Name
H2FP4
Label
S31BQ4 MENSTR-AGE FIRST PERIOD-W2
Dataset
wave2

Summary Statistics for 'H2FP4'

Value Valid Label Frequency % of Valid % of All
7 Valid 7 years old and younger 1
0.01%
0.01%
8 Valid 8 years old 26
0.38%
0.18%
9 Valid 9 years old 200
2.89%
1.36%
10 Valid 10 years old 431
6.22%
2.92%
11 Valid 11 years old 1,326
19.15%
9.00%
12 Valid 12 years old 2,187
31.58%
14.84%
13 Valid 13 years old 1,766
25.50%
11.98%
14 Valid 14 years old 717
10.35%
4.86%
15 Valid 15 years old 205
2.96%
1.39%
16 Valid 16 years old 48
0.69%
0.33%
17 Valid 17 years old and older 7
0.10%
0.05%
96 Missing refused 11
0.07%
97 Missing legitimate skip 7,748
52.57%
98 Missing don't know 53
0.36%
Total Responses Valid Invalid Min Max
14738 6926 7812 0 17

Representation

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

Source Questions

H2FP4

Lineage

  • Wave II In-Home Interview - H2FP4
    S31BQ4 MENSTR-AGE FIRST PERIOD-W2
    • H2FP4
      4. How old were you when you had your very first menstrual period?

Concordance

Add Health
Wave I Wave II Wave III
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview
H1FP4 H2FP4 H3DA45
seven years or younger
0.11%
seven years old and younger
0.16%
7 years old and younger
0.01%
eight years old
0.40%
0.39%
8 years old
0.38%
nine years old
3.04%
2.95%
9 years old
2.89%
ten years old
7.07%
5.29%
10 years old
6.22%
eleven years old
19.84%
13.76%
11 years old
19.15%
twelve years old
32.33%
28.37%
12 years old
31.58%
thirteen years old
24.59%
25.01%
13 years old
25.50%
fourteen years old
9.03%
12.30%
14 years old
10.35%
fifteen years old
2.76%
6.15%
15 years old
2.96%
sixteen years old
0.67%
3.35%
16 years old
0.69%
seventeen years old
0.90%
seventeen years old and older
0.10%
17 years old and older
0.10%
eighteen years old
0.38%
nineteen years old
0.15%
twenty years old
0.20%
twenty one years old
0.18%
twenty two years old
0.18%
twenty three years old
0.13%
twenty four years old
0.08%
twenty five years old
0.10%
twenty six years old
0.04%
Add Health
Wave I Wave II Wave III
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview
H1FP4 H2FP4 H3DA45
seven years or younger
0.06%
seven years old and younger
0.07%
7 years old and younger
0.01%
eight years old
0.18%
0.20%
8 years old
0.18%
nine years old
1.38%
1.54%
9 years old
1.36%
ten years old
3.20%
2.76%
10 years old
2.92%
eleven years old
8.99%
7.17%
11 years old
9.00%
twelve years old
14.64%
14.79%
12 years old
14.84%
thirteen years old
11.14%
13.04%
13 years old
11.98%
fourteen years old
4.09%
6.41%
14 years old
4.86%
fifteen years old
1.25%
3.20%
15 years old
1.39%
sixteen years old
0.30%
1.74%
16 years old
0.33%
seventeen years old
0.47%
seventeen years old and older
0.04%
17 years old and older
0.05%
eighteen years old
0.20%
nineteen years old
0.08%
twenty years old
0.11%
twenty one years old
0.09%
twenty two years old
0.09%
twenty three years old
0.07%
twenty four years old
0.04%
twenty five years old
0.05%
twenty six years old
0.02%
Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1FP4 9,393 11,352 7 17
Wave II In-Home Interview H2FP4 6,926 7,812 0 17
Wave III In-Home Interview H3DA45 7,921 7,276 7 26
Add Health
Wave I Wave II Wave III
Wave I In-Home Interview Wave II In-Home Interview Wave III In-Home Interview
Wave I In-Home Interview Data Wave II In-Home Interview Wave III In-Home Interview
H1FP4 H2FP4 H3DA45
seven years or younger 7
seven years old and younger 7
7 years old and younger 7
eight years old 8 8
8 years old 8
nine years old 9 9
9 years old 9
ten years old 10 10
10 years old 10
eleven years old 11 11
11 years old 11
twelve years old 12 12
12 years old 12
thirteen years old 13 13
13 years old 13
fourteen years old 14 14
14 years old 14
fifteen years old 15 15
15 years old 15
sixteen years old 16 16
16 years old 16
seventeen years old 17
seventeen years old and older 17
17 years old and older 17
eighteen years old 18
nineteen years old 19
twenty years old 20
twenty one years old 21
twenty two years old 22
twenty three years old 23
twenty four years old 24
twenty five years old 25
twenty six years old 26