Table 4.

Sociodemographic and behavioural factors associated with any concurrency in past 12 months, among 1,668 men who report having had sex in the past 12 months

	Any concurrency	Concurrency excluding polygyny
	Adjusted OR1 (95% CI)	Adjusted OR1 (95% CI)
SOCIO-DEMOGRAPHIC/ECONOMIC FACTORS
Age (years)	P < 0.001	P < 0.001
< 30	1	1
30-39	1.29 [0.81, 2.05]	1.21 [0.77, 1.93]
40-49	0.97 [0.57, 1.62]	0.85 [0.50, 1.43]
50+	0.39 [0.22, 0.70]	0.27 [0.14, 0.51]
Marital status	P < 0.001	P = 0.07
Never married	0.88 [0.51, 1.51]	0.79 [0.46, 1.36]
Married with 1 wife	1	1
Married with > 1 wife	43.5 [25.2, 74.8]	0.41 [0.19, 0.88]
Separated/divorced/widowed	0.76 [0.41, 1.40]	0.75 [0.40, 1.40]
Age at first marriage1	P = 0.27	P = 0.29
22+ years	1	1
< 22 years	1.22 [0.86, 1.73]	1.22 [0.85, 1.77]
Education level	P = 0.61	P = 0.82
Incomplete primary or less	1	1
Primary	1.19 [0.81, 1.75]	1.07 [0.72, 1.60]
Junior or above	1.16 [0.79, 1.71]	1.14 [0.76, 1.69]
SES score tertile	P = 0.01	P = 0.01
Low	1	1
Middle	1.72 [1.11, 2.65]	1.85 [1.17, 2.94]
High	1.85 [1.20, 2.87]	1.92 [1.21, 3.05]
SEXUAL BEHAVIOUR
Age at first sex2	P = 0.41	P = 0.41
18 years or older	1	1
< 18 years	1.16 [0.82, 1.63]	1.16 [0.81, 1.66]
Lifetime partners2	P < 0.001	P < 0.001
Less than 5	1	1
5 or more	4.30 [2.95, 6.27]	4.55 [3.03, 6.82]
Can't remember	3.35 [1.82, 6.17]	4.05 [2.13, 7.69]
Condom use with last partner	P = 0.14	P = 0.11
No	1	1
Yes	1.45 [0.89, 2.36]	1.51 [0.92, 2.47]
Casual partner in past 12 months	P < 0.001	P < 0.001
No	1	1
Yes	3.73 [2.40, 5.82]	3.90 [2.13, 7.69]
Problem drinking	P = 0.15	P = 0.14
No	1	1
Yes	1.61 [0.86, 3.00]	1.64 [0.87, 3.12]

¹Adjusted for age, marital status, SES, lifetime partners and casual partner in past 12 m

²Cutpoints based on median values in males in the entire cohort (see Table 1)