Table 3.

Predictors of being in HIV sero-discordance relationship for couples tested in Moshi and Arusha 2005-2007

Characteristics	N (%)	CRUDE OR (95% CI)	ADJUSTED OR (95% CI)
Men age in years
<35	770 (58)	1
35-44	336 (25)	2.1 (1.5-2.8)	2.3 (1.7-3.2)
≥ 45	227 (17)	1.8 (1.3-2.6)	2.2 (1.5-3.2)
Men Age in years
< 35	1037 ( 78)	1
35-44	216 ( 16)	2.3 (1.6-3.2)	2.6 (1.9-3.7)
≥ 45	80 ( 6)	1.1 (0.6-1.9)	1.4 (0.8-2.6)
Age difference between women and their men partners(in years)
M<F	111 (8)	1.0 (0.5-2.0)	0.7 (0.3-1.7)
M=F	69 (5)	1
1 to 5	566( 42)	0.5 (0.3-0.9)	0.7 (0.4-1.0)
6 to 10	368 (28)	0.5 (0.3-1.0)	0.9 (0.6-1.3)
≥11	219 (16)	0.6 (0.3-1.1)	-
Socio-economic status
High	90 (7)	1.1 (0.6-2.0	0.8 (0.4-1.6)
Medium	803 (60)	1.0 (0.7-1.4)	0.8 (0.6-1.2)
Low	440 (33)	1
Distance from home to CHCT where tested (in kilometres)
0 to 5	862 (65)	1
6 to 10	78 (6)	1.0 (0.5-1.7)	0.9 (0.5-1.6)
11 to 15	122 (9)	0.5 (0.3-0.9)	0.4 (0.2-0.9)
16 to 20	64 (5)	0.6 (0.3-1.2)	0.5 (0.2-1.1)
≥21	207 (16)	0.8 (0.6-1.3)	0.6 (0.4-1.1)
Nature of area of residence
Rural	360 (27)	1
Urban	947 (71)	1.3 (1.0-1.8)	2.5 (1.0-5.7)
Semi urban	26 (2)	1.1 (0.4-3.0)	0.5 (0.1-1.6)
Town of residence
Arusha	692 (52)	1.9 (1.9-2.5)	2.3 (1.7-3.2)
Moshi	630 (47)	1
Other towns	11 (1)	0.6 (0.1-2.8)	0.9 (0.1-5.3)

The bolded ORs are statistical significant