7 years old and younger, 8 years old, 9 years old
Add Health
Wave II In-Home Interview
S31BQ4 MENSTR-AGE FIRST PERIOD-W2
H2FP4
Codes
Label
7 years old and younger, 8 years old, 9 years old
-
7 
7 years old and younger -
8 8 years old -
9 9 years old -
10 10 years old -
11 11 years old -
12 12 years old -
13 13 years old -
14 14 years old -
15 15 years old -
16 16 years old -
17 17 years old and older