Table 2.

Odds ratios (ORs) and 95 % confidence intervals (95 % CIs) to evaluate the associations between syndemic count, levels of unprotected sex, and HIV prevalence among men in the Bangkok MSM Cohort Study (N = 1,292)

Syndemic count		Unprotected sex		HIV prevalence
	n (%)	n (%)	OR (95 % CI)	n (%)	OR (95 % CI)
0	551 (42.6)	281 (51.0)	1	106 (19.2)	1
1	422 (32.7)	250 (59.2)	1.40 (1.08–1.80)*	91 (21.6)	1.15 (0.84–1.58)
2	206 (15.9)	125 (60.7)	1.48 (1.07–2.05)*	55 (26.7)	1.53 (1.05–2.22)*
3	77 (6.0)	54 (70.1)	2.26 (1.35–3.78)*	24 (31.2)	1.90 (1.12–3.22)*
4–5	36 (2.8)	24 (66.7)	1.92 (0.94–3.92)	14 (38.9)	2.67 (1.32–5.40)*

^*P <0.05, all p values are 2-tailed

OR odds ratio, CI confidence interval