Table 3.

Non-stratified logistic regression for predicting unwanted pregnancy among women age 15–24 in 29 SSA countries between 2008 and 2017

Variable	Unwanted child(ren)				Unwanted pregnancy
	Model 1		Model 2		Model 3		Model 4
	Coef.	OR	Coef.	OR	Coef.	OR	Coef.	OR
	n1		n2		n3		n4
Lack of knowledge of ovulation	–	–	0.14*	1.15	–	–	0.15*	1.17
Contraceptive users	0.39*	1.48	0.39*	1.48	–	–	–	–
Age	− 0.09*	0.92	− 0.09*	0.92	− 0.08*	0.93	− 0.08*	0.93
Currently married	− 0.74*	0.48	− 0.74*	0.48	− 0.69*	0.50	− 0.69*	0.50
Never married	0.95*	2.58	0.95*	2.57	0.93*	2.54	0.93*	2.54
Not currently married	1	1	1	1	1	1	1	1
Fertility	0.26*	1.30	0.26*	1.30	0.25*	1.28	0.25*	1.28
No education	− 1.08*	0.34	− 1.11*	0.33	− 1.09*	0.34	− 1.12*	0.33
Primary education	− 0.11	0.9	− 0.14	0.87	− 0.04	0.96	− 0.07	0.94
Secondary education	0.18*	1.19	0.16*	1.18	0.24*	1.27	0.22*	1.25
Rural residence	− 0.12*	0.89	− 0.13*	0.88	− 0.12*	0.89	− 0.12*	0.88
Y-intercept	1.25*		1.15		1.17		1.06
McFadden’s R2	0.13		0.13		0.12		0.12
Chi-square	9610.98		9649		11,313.51		11,373.69
N	56,382		56,382		71,562		71,562

n1–n4: serial analyses for all the models in STATA

*p < 0.05