Table 4

Cox proportional hazards models for the effect of relationship status on non-AIDs mortality, by age and sex in the Africa Centre Demographic Information System, 2001–2011

Females
	20–29 Years		30–39 Years		40–49 Years		50–59 Years		60 Years and over
Number of deaths		386		270		259		307		1195
Number of deaths	HR	95% CI	HR	95% CI	HR	95% CI	HR	95% CI	HR	95% CI
Relationship status before 2005 (ref: not in relationship)	1.00		1.00		1.00		1.00		1.00
Non-conjugal relationship	0.70	(0.49 to 0.99)*	0.87	(0.59 to 1.27)	1.05	(0.68 to 1.60)	0.73	(0.40 to 1.32)	1.47	(1.03 to 2.10)
Conjugal relationship	0.44	(0.27 to 0.72)**	0.24	(0.15 to 0.40)***	0.34	(0.22 to 0.54)***	0.76	(0.53 to 1.09)	0.52	(0.39 to 0.70)***
Relationship status after 2005 (ref: not in relationship)	1.00		1.00		1.00		1.00		1.00
Non-conjugal relationship	1.05	(0.49 to 2.28)	1.93	(1.00 to 3.73)*	1.03	(0.59 to 1.80)	1.07	(0.49 to 2.31)	1.03	(0.51 to 2.09)
Conjugal relationship	0.51	(0.22 to 1.18)	0.94	(0.49 to 1.81)	0.74	(0.50 to 1.09)	0.76	(0.55 to 1.06)	0.71	(0.55 to 0.91)**

Males
	20–29 years		30–39 years		40–49 years		50–59 years		60 years and over
Number of deaths		558		459		444		375		794
Number of deaths	HR	95% CI	HR	95% CI	HR	95% CI	HR	95% CI	HR	95% CI
Relationship status before 2005 (ref: not in relationship)	1.00		1.00		1.00		1.00		1.00
Non-conjugal relationship	0.86	(0.66 to 1.12)	0.65	(0.47 to 0.91)*	0.52	(0.35 to 0.75)**	0.64	(0.41 to 1.01)	1.35	(1.00 to 1.81)*
Conjugal relationship	0.61	(0.40 to 0.94)*	0.38	(0.26 to 0.54)***	0.32	(0.23 to 0.44)***	0.39	(0.27 to 0.56)***	0.59	(0.47 to 0.75)***
Relationship status after 2005 (ref: not in relationship)	1.00		1.00		1.00		1.00		1.00
Non-conjugal relationship	1.87	(1.04 to 3.37)*	0.79	(0.44 to 1.45)	0.42	(0.25 to 0.71)**	0.91	(0.46 to 1.77)	0.59	(0.27 to 1.32)
Conjugal relationship	1.43	(0.73 to 2.82)	0.60	(0.34 to 1.09)	0.30	(0.20 to 0.45)***	0.51	(0.32 to 0.83)**	0.56	(0.41 to 0.77)***

NB: Adjusted for age, age² and education; *p<0.05, **p< 0.001, ***p<0.0001.