From: Anemia and its determinant of in-school adolescent girls from rural Ethiopia: a school based cross-sectional study
Characteristics
Frequency (n)
Percent (%)
Attained menarche
Yes
301
67.2
No
147
32.8
Age at onset of menses (in years)
≤13
168
37.5
>13
133
29.7
Duration of bleeding (in days)
<5
180
60
>=5
121
40
Total
448
100