Table 5.

Baseline sociodemographic and reproductive health characteristics by study arm.

	Total (N = 1686)		Intervention Arm (N = 813)		Comparison Arm (N = 873)		p-valuea
									95% CI
	Mean	SD	Mean	SD	Mean	SD		cOR	LL	UL	p-value
Man age (mean, years)b	31.9	7.8	32.1	7.8	31.7	7.8	0.39	1.01	0.99	1.02	0.39
Woman age (mean, years)b	26.2	6.7	26.4	6.8	26.0	6.5	0.21	1.01	0.99	1.02	0.21
	N	%	N	%	N	%
Man's Income
Yes	1662	99%	793	98%	869	100%	0.001
No	24	1%	20	2%	4	0%
Man's income (IQR, ZMW)c	800	800	700	800	900	1000	0.0001	0.99	0.98	0.99	0.002
Woman's Income
Yes	1132	67%	492	61%	640	73%	<0.0001	Ref
No	553	33%	320	39%	233	27%		1.79	1.45	2.19	<0.0001
Woman's income (IQR, ZMW)c	250	650	200	500	350	900	<0.0001	0.95	0.94	0.97	<0.0001
City of Residence
Lusaka	334	20%	174	21%	160	18%	0.11	1.21	0.95	1.54	0.11
Ndola	1352	80%	639	79%	713	82%		Ref
Man vernacular literacy (Bemba or Nyanja)
Easily	1255	74%	556	68%	699	80%	<0.0001	Ref
With Difficulty/Not at all	431	26%	257	32%	174	20%		1.86	1.49	2.32	<0.0001
Woman vernacular literacy (Bemba or Nyanja)
Easily	927	55%	358	44%	569	65%	<0.0001	Ref
With Difficulty/Not at all	758	45%	454	56%	304	35%		2.37	1.95	2.89	<0.0001
Man reads or understands English
Easily	1070	63%	470	58%	600	69%	<0.0001	Ref
With Difficulty/Not at all	616	37%	343	42%	273	31%		1.60	1.31	1.96	<0.0001
Woman reads or understands English
Easily	716	42%	275	34%	441	51%	<0.0001	Ref
With Difficulty/Not at all	969	58%	537	66%	432	49%		1.99	1.64	2.43	<0.0001
Couple: Years Cohabitingb	5.9	5.8	6.2	5.8	5.5	5.8	0.01	1.02	1.00	1.04	0.01
Couple: Number of people in householdd	4.6	2.1	4.8	2.1	4.4	2.2	0.001	1.08	1.03	1.13	0.002
Couple: Number of children <16 years old in householdd	2.1	1.7	2.3	1.6	1.9	1.6	<0.0001	1.15	1.09	1.23	<0.0001
Self-Reported Pregnancy
Yes	450	27%	143	18%	307	35%	<0.0001	Ref
No	1236	73%	670	82%	566	65%		2.54	2.02	3.19	<0.0001
If not pregnant, current contraceptive method
IUD	12	1%	4	1%	8	1%	0.062
Implant	198	16%	97	14%	101	18%
Injectable	283	23%	159	24%	124	22%
Pills	134	11%	64	10%	70	12%
Tubal Ligation	1	0%	0	0%	1	0%
None/Condom/Other	608	49%	346	52%	262	46%

Ref indicates reference group.

^a*Two-tailed t-test for continuous variables, chi-square test for categorical variables with cell counts >=5, Fisher's exact test for categorical variables with cell counts < 5.

^bPer one year increase.

^cPer 1 person or 1 child increase.

^dPer one child increase.