Table 3

Bivariate association between couple and invitation characteristics and couples’ testing accounting for clustering within INAs and INLs

	All couples		Couples not tested		Couples tested		OR	95% CI		p Value
	N	%	N	%	N	%
Couple characteristics
Age of man (mean, SD)	33.25	9.03	33.16	8.99	34.61	9.43	1.01	1.01	1.02	<0.001
Age of woman (mean, SD)	27.12	7.75	27.03	7.72	28.60	8.15	1.02	1.02	1.03	<0.001
Relationship of couple
Not cohabiting	5275	18	5058	19	217	13	Ref
Cohabiting	23664	82	22161	81	1503	87	1.58	1.38	1.81	<0.001
Years of relationship (mean, SD)	6.27	6.42	6.22	6.35	7.18	7.38	1.02	1.01	1.03	<0.001
Number of children (mean, SD)	2.04	2.16	2.04	2.16	2.06	2.12	1.01	0.99	1.03	0.29
Invitation characteristics
Invitee (1st contact)
Woman	8934	31	8426	31	508	30	Ref
Couple	8567	30	7972	29	595	35	1.24	1.08	1.43	0.002
Man	11467	40	10851	40	616	36	0.91	0.81	1.03	0.13
Who initiated contact?
INA	26620	93	25103	93	1517	89	Ref
Couple	527	2	475	2	52	3	1.71	1.34	2.18	<0.001
Man	877	3	811	3	66	4	1.18	0.88	1.58	0.26
Woman	690	2	624	2	66	4	1.59	1.20	2.10	0.001
Relationship to INA
Just met/unknown	19688	68	18749	69	939	55	Ref
Co-worker	287	1	269	1	18	1	1.35	0.89	2.06	0.16
Family	1697	6	1525	6	172	10	2.08	1.75	2.49	<0.001
Social acquaintance (neighbour, friend, church member)	7186	25	6601	24	585	34	1.64	1.43	1.87	<0.001
Place of invitation
Community	9828	34	9339	35	489	29	Ref
Couple home	15460	54	14532	54	928	55	1.41	1.23	1.61	<0.001
INA home	1636	6	1461	5	175	10	2.25	1.87	2.71	<0.001
Couple or INA work	1812	6	1702	6	110	6	1.21	0.97	1.51	0.09
Public endorsement
No	18148	63	17080	63	1068	62	Ref
Yes	10715	37	10066	37	649	38	1.04	0.92	1.17	0.53
Delivering invitation
Difficult/somewhat difficult	3030	10	2912	65	118	0.4	Ref
Easy	25860	89	1599	35	24261	99.5	1.60	1.33	1.93	<0.001
Mobile unit present at time of invitation
No	14268	49	13713	50	909	53	Ref
Yes	14622	51	13679	50	818	47	1.12	0.89	1.39	0.33
Neighbourhood of invitation
Neighbourhood 1	13705	47	12911	47	794	46	Ref
Neighbourhood 2	15414	53	14481	53	933	54	0.97	0.79	1.18	0.74

Community: church/mosque, clinic, market, street/public place, social gathering.
INA, influential network agent; INL, influential network leader.