Table 5. Factors affecting level of knowledge about menstrual hygiene management among female students in Mehalmeda secondary school, Amhara region, Ethiopia, June 2013.

Variables		Knowledge about MHM		Crude OR	Adjusted OR
		High	Low
Age at interview	<18 years	408(82.9%)	46(9.3%)	1	1
	>18 years	38(7.7%)	0(0.00%)	0.00(0.00–5.10)	0.00(0.00–7.62)
Place of residence	Urban	262(53.3%)	23(4.7%)	0.7(0.38–1.29)	1.80(1.42–1.52)
	Rural	184(37.4%)	23(4.7%)	1	1
Monthly income	500	216(43.9%)	25(5.1%)	1	1
	500–1000	122(24.8%)	11(2.2%)	0.78(0.37–1.64)	0.88(0.41–1.90)
	>1000	108(22%)	10(2%)	0.80(1.37–1.74)	1.24(0.54–2.86)
Education level ofrespondents	Grade 9	282(57.3%)	33(6.7%)	1	1
	Grade 10	111(22.6%)	12(2.4%)	0.92(0.46–1.85)	0.94(0.46–1.92)
	Grade 11	39(7.9%)	1(0.20)	0.22(0.03–1.65)	0.21(0.03–1.67)
	Grade 12	14(2.8%)	46(9.3)	0.002(0.00–1.30)	0.00(0.00–1.57)
Respondents livingarrangement	Parents	229(60.8%)	28(5.7%)	0.58(0.24–1.40)	0.52(0.20–1.32)
	Motheronly	55(11.2%)	5(1.0%)	0.56(0.17–1.88)	0.62(0.17–2.21)
	Father/relatives/friends	49(10%)	6(1.2%)	0.75(0.24–2.41)	0.85(0.25–2.90)
	Alone	43(8.7%)	7(1.4%)	1	1
Mother’s educationalstatus	No formal education	360(73.2%)	39(7.9%)	1	1
	Elementary	49(10%)	7(1.4%)	1.32(0.56–3.10)	4(1.15–13.95)
	Secondary & above	37(7.5%)	0.0(0.0%)	0.001(0.0–8.20)	0.00(0.0–1.38)
Fathers’ educationalstatus	No formal education	330(67.1%)	41(8.3%)	1	1
	Elementary	50(10.2%)	3(0.6%)	0.48(0.14–1.62)	0.25(0.05–1.18)
	Secondary & above	66(13.4%)	2(0.4%)	0.24(0.06–1.03)	0.17(0.03–1.03)
Ever discussed aboutMHM	No	155(31.5%)	12(2.4%)	1	1
	Yes	446(90.7%)	46(9.3%)	1.51(0.76–3.00)	1.85(0.90–3.79)

Statistically significant at p<0.05.