Variable N=290 Level Percentage Mean  ±SD F test P value
Fathers education No formal education 67(23.2%) 14.70 ±1.57 8.45 0
Elementary (1-8 grade) 48(16.5%) 14.81 ±1.29
9-10 grade 36(12.4%) 14.28 ±1.08
11-12 grade 32(11.1%) 14.13 ±1.28
College and university 95(32.8%) 13.66 ±1.32
Mothers  education No formal education 75(25.9%) 14.69 ±1.61 6 0
1-4 grade 18(6.6%) 14.83 ±1.29
5-8 grade 46(15.9%) 14.63 ±1.10
9-10 grade 43(14.8%) 13.74 ±0.98
11-12 grade 31(10.7%) 13.84 ±1.39
College and university 65(22.4%) 13.82 ±1.43
Father’s job Employee 97(33.5%) 13.89 ±1.21 9.55 0
Business man 131(45.2%) 14.24 ±1.47
Farmer 50(17.3%) 14.24 ±1.42
Table 4:One-way ANOVA test of some of the socio-demographic factors associated with age at menarche among High-School Female Students in Mekelle city February, 2013.