H2FP4

Question

Name
H2FP4
Question Text
  1. How old were you when you had your very first menstrual period?

Usage

Related Variables

H2FP4 - 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