Table 3.

Relative risk ratios from two-level multinomial logistic regression models of school socioeconomic composition on sexual initiation between two waves, by gender, 2011–2013

	(1) Male	(2) Male	(3) Male	(4) Male	(5) Female	(6) Female	(7) Female	(8) Female
School socioeconomic composition	0.825***	0.882*	0.843*	0.861*	0.762***	0.830**	0.817**	0.909
Individual-level
Age		1.218***	1.216***	1.216***		1.408***	1.406***	1.371***
Chewas (ref.)
Tumbuka		1.715	1.708	1.705		0.815	0.808	0.818
Yao		0.599	0.603	0.598		1.398	1.382	1.428
Ngoni		1.099	1.101	1.089		1.339	1.339	1.351
Others		1.855*	1.851*	1.823*		0.626	0.624	0.638
Math performance		0.905	0.906	0.907		0.773*	0.779*	0.770*
Top 10% wealth index		0.596*	0.592*	0.593*		0.898	0.890	0.895
Parent’s secondary education completed		0.959	0.960	0.960		0.835	0.835	0.826
Father’s high occupational status		0.597	0.603	0.605		0.965	0.963	0.949
Both parents (ref.)
Mother only		0.928	0.933	0.929		0.951	0.963	0.956
Father only		1.154	1.171	1.183		0.245*	0.242*	0.249*
No parents		0.827	0.833	0.841		0.590	0.594	0.594
School-level
Average class size			1.000	0.998			0.992	0.992
Rurality			0.755	0.634			0.992	1.288
Conventional Secondary School			0.749	1.253			0.640*	0.784
% Have ever repeated				0.988				1.059**
% Satisfied with school				0.986*				0.998
Mean study after school				0.440				1.089
Constant	0.262***	0.014***	0.016***	1.526	0.134***	0.001***	0.002***	0.001*
N (Schools)	33	33	33	33	33	33	33	33
N (Students)	3950	3950	3950	3950	3966	3966	3966	3966
Log-likelihood	−5958.03	−5687.45	−5666.63	−5653.91	−4906.24	−4690.14	−4685.31	−4674.18

^*p < 0.05,

^**p < 0.01

^***p < 0.001