Table 1.

Sample size calculation based on the significant factors of adolescent pregnancy; Nguenyyiel Refugee Camp, Gambella region, Southwest Ethiopia, 2021

S/no.	Significant factors associated with adolescent pregnancy and citations	Power	95% CI	The proportion of pregnancy among non-exposed adolescent girls (P1)	The proportion of pregnancy among exposed (P2)	Risk ratio (r)	Adjusted OR	n1	n total
1	Educational status (no formal education vs secondary and above)42	80%	1.96	31.0%	7.4%	0.24	3.83	164	181
2	Modern contraceptive use (users vs non-users)38	80%	1.96	64.6%	19.2%	0.29	10.62	131	144
3	Marital status (married vs single (not-married))38	80%	1.96	3.80%	54.4%	14.3	2.16	33	37