Table 3.

Prevalence of use of contraceptive methods at 48 hours, 1 week, 6 weeks, and 6 months post partum

		Intervention (n=274)	Control (n=279)	Adjusted PR (95% CI)*
48 hours
Modern and appropriate methods		9 (3%)	3 (1%)	1·83 (0·43–7·74)
Long-acting or permanent methods		6 (2%)	0	0†
	Implant	5 (2%)	0	0†
	Intrauterine device	1 (<1%)	0	0
	Female sterilisation	0	0	0
	Vasectomy	0	0	0
Short-acting methods		0	2 (1%)	0
	Pill	0	0	0
	Male condom	0	2 (1%)	0
	Female condom	0	0	0
	Spermicide	0	0	0
Lactational amenorrhoea method		3 (1%)	1 (<1%)	2·60 (0·20–33·60)
Non-modern or inappropriate methods		1 (<1%)	0	0
	Abstinence	1 (<1%)	0	0
No method		264 (96%)	276 (99%)	0·98 (0·77–1·24)
1 week
Modern and appropriate methods		15 (5%)	3 (1%)	2·09 (0·78–10·75)
Long-acting or permanent methods		12 (4%)	0	0
	Implant	11 (4%)	0	0
	Intrauterine device	1 (<1%)	0	0
	Female sterilisation	0	0	0
	Vasectomy	0	0	0
Short-acting methods		0	2 (1%)	0
	Pill	0	0	0
	Male condom	0	2 (1%)	0
	Female condom	0	0	0
	Spermicide	0	0	0
Lactational amenorrhoea method		3 (1%)	1 (<1%)	2·51 (0·20–31·11)
Non-modern or inappropriate methods		1 (<1%)	1 (<1%)	1·01 (0·06–16·14)‡
	Abstinence	1 (<1%)	1 (<1%)	1·01 (0·06–16·14)‡
No method		258 (94%)	274 (99%)	0·96 (0·75–1·22)
6 weeks
Modern and appropriate methods		32/272 (12%)	16/276 (6%)	6·79 (0·86–53·79)
Long-acting or permanent methods		21/272 (8%)	1/276 (<1%)	72·37 (4·75–1103·82)
	Implant	20/272 (7%)	1/276 (<1%)	66·10 (4·33–1009·06)
	Intrauterine device	1/272 (<1%)	0	0
	Female sterilisation	0	0	0
	Vasectomy	0	0	0
Short-acting methods		9/272 (3%)	15/276 (5%)	3·21 (0·02–651·22)
	Injectable	1/272 (<1%)	0	0
	Pill	0	0	0
	Male condom	8/272 (3%)	15/276 (5%)	2·07 (0·00–4238·70)
	Female condom	0	0	0
Emergency contraception		0	0	0
	Spermicide	0	0	0
Lactational amenorrhoea method		2/272 (<1%)	0	0
Non-modern or inappropriate methods		3/272 (1%)	19/276 (7%)	0·10 (0·01–0·90)
	Withdrawal	1/272 (<1%)	9/276 (3%)	0·06 (0·00–0·91)
	Abstinence	2/272 (1%)	8/276 (3%)	0·23 (0·04–1·24)
	Standard-day method	0	1/276 (<1%)	0
	Others	0	1/276 (<1%)	0
No method		237/272 (87%)	241/276 (87%)	1·17 (0·89–1·52)
6 months
Modern and appropriate methods		82/269 (30%)	58/275 (21%)	1·58 (0·60–4·15)
Long-acting or permanent methods		41/269 (15%)	12/275 (4%)	3·43 (1·39–8·48)
	Implant	40/269 (14%)	10/275 (4%)	4·06 (1·58–10·40)
	Intrauterine device	1/269 (<1%)	2/275 (1%)	0·92 (0·04–23·32)
	Female sterilisation	0	0	0
	Vasectomy	0	0	0
Short-acting methods		40/269 (15%)	46/275 (17%)	1·04 (0·26–4·14)
	Injectable	13/269 (5%)	5/275 (2%)	5·24 (1·02–26·85)
	Pill	4/269 (1%)	8/275 (3%)	1·09 (0·20–5·89)
	Male condom	23/269 (9%)	29/275 (11%)	0·58 (0·07–4·83)
	Female condom	0	0	0
Emergency contraception		0	4/275 (1%)	0
	Spermicide	0	0	0
Lactational amenorrhoea method		1/269 (<1%)	0	0
Non-modern or inappropriate methods		16/269 (6%)	30/275 (11%)	0·64 (0·11–3·78)
	Withdrawal	5/269 (2%)	9/275 (3%)	0·28 (0·08–1·01)
	Abstinence	2/269 (1%)	1/275 (<1%)	2·04 (0·19–22·42)†
	Standard-day method	9/269 (3%)	15/275 (6%)	0·65 (0·15–2·72)
	Others	0	5/275 (2%)	0
No method		171/269 (64%)	187/275 (68%)	0·88 (0·43–1·79)

Data are n (%) or n/N (%), unless otherwise indicated. PR=prevalence ratio.

^*Accounting for clustering effect and adjusted for living setting, education level, employment, and usual travel time to health centre.

^†2-sided p value Fisher's exact test >0·05.

^‡Adjusting for clustering effect not possible.