Table 2. Differences in HIV prevalence and sexual behaviour by age for 2010 MLSFH men and women.

	Women				Men
	Panel A: Bivariate comparison of HIV prevalence and sexual behaviour by age category
Age Group	15-49	50-64	65+		15-49	50-64	65+
N=	1538	388	256		1024	304	209
HIV positive	8.3%	5.4%	1.3%**		4.1%	8.9%**	0.7%**
Had sex in past year	89.4%	49.6%**	26.7%**		92.0%	83.8%**	73.8%**
More than one sexual partner in past year	1.9%	1.0%	0.9%		19.9%	18.9%	14.1%
Number sexual partners in past year
0	7.2%	26.5%**	64.9%**		5.4%	6.4%	11.8%**
1	91.0%	72.4%**	34.7%**		74.7%	71.8%	74.1%
2+	1.8%	1.1%	0.4%		19.9%	21.8%	14.1%*
Suspected number of spouse's partners in past year
0	8.0%	16.7%**	36.7%**		11.4%	14.2%	28.6%**
1	58.8%	52.7%	44.9%**		86.4%	83.4%	66.8%**
2+	33.2%	30.6%	18.4%**		2.2%	2.4%	4.6%
Worried a lot about HIV infection	27.7%	14.4%**	8.0%**		23.3%	15.0%**	16.2%*
	Panel B: Multivariate comparison of HIV prevalence and sexual behaviour by age category
	50-64		65+		50-64		65+
	Odds Ratio/Coef	95% CI	Odds Ratio/Coef	95% CI	Odds Ratio/Coef	95% CI	Odds Ratio/Coef	95% CI
HIV prevalence a	0.47*	(0.26,0.86)	0.07**	(0.02,0.29)	2.01*	(1.06,3.80)	0.14	(0.02,1.05)
Had sex in past year a	0.23**	(0.16,0.33)	0.08**	(0.05,0.12)	0.39**	(0.22,0.67)	0.11**	(0.06,0.18)
Number sexual partners in past year b	-0.07**	(-0.12,-0.02)	-0.23**	(-0.30,-0.16)	-0.09	(-0.21,0.02)	-0.19*	(-0.33,-0.04)
Suspected number of spouse's partners in past year b	-0.04	(-0.26,0.18)	-0.56**	(-0.90,-0.22)	-0.04	(-0.11,0.04)	-0.14**	(-0.22,-0.05)
Worried a lot about HIV infection a	0.58**	(0.43,0.78)	0.24**	(0.14,0.39)	0.57**	(0.39,0.82)	0.71	(0.46,1.09)
More than one sexual partner in past yeara	0.70	(0.24,2.05)	0.66	(0.14,3.17)	1.18	(0.85,1.64)	0.74	(0.46,1.17)

Notes: bivariate and multivariate both compare older age groups with the 15-49 age group; p-values significant at

^**1% level,

^*5% level;

regressions run are

^a=logistic,

^b=OLS; all multivariate models control for region of residence, level of education, and marital status