Table 1.

Association between demographic and sexual behavior factors and sexually transmitted infection prevalence at enrollment.

	STI
	Yes (N=278), N (%)	No (N=3170), N (%)	Unadjusted PR (95% CI)	Adjusted PR (95% CI)
Demographics
Gender
Male	110 (6.2)	1670 (93.8)	1.0	1.0
Female	168 (10.1)	1500 (89.9)	1.63 (1.29–2.05)	1.61 (1.20–2.16)
Age
18–25	66 (10.8)	547 (89.2)	1.0	1.0
26–40	160 (7.6)	1946 (92.4)	0.71 (0.54–0.93)	0.78 (0.57–1.08)
>40	52 (7.1)	677 (92.9)	0.66 (0.47–0.94)	0.62 (0.39–0.99)
Marital status
Married/living with partner	253 (7.8)	2999 (92.2)	1.0	1.0
Unmarried	25 (12.8)	171 (87.2)	1.64 (1.12–2.41)	1.92 (1.17–3.14)
Education
No schooling	30 (8.7)	317 (91.3)	1.0	1.0
Primary school	13 (10.3)	1203 (89.7)	1.19 (0.82–1.73)	1.67 (0.97–2.86)
Secondary school	91 (6.4)	1342 (93.6)	0.73 (0.49–1.09)	1.01 (0.57–1.77)
Post-secondary school	19 (5.8)	308 (94.2)	0.67 (0.39–1.17)	0.78 (0.35–1.74)
Sexual behavior
Circumcised
No	92 (6.2)	1396 (93.8)	1.0	—
Yes	12 (5.1)	225 (94.9)	0.82 (0.46–1.47)	—
Total sex acts in the past week
No sex	3 (37.5)	5 (62.5)	5.02 (2.02–12.47)	—
1–2	125 (7.5)	1547 (92.5)	1.0	—
3–4	39 (6.2)	587 (93.8)	0.83 (0.59–1.18)	—
>4	24 (11.4)	187 (88.6)	1.52 (1.01–2.30)	—
Total condom use in the past week
No condoms1	16 (13.6)	102 (86.4)	1.0	1.0
1–2	118 (7.2)	152 (92.8)	0.53 (0.33–0.87)	0.54 (0.33–0.89)
3–4	38 (6.5)	543 (93.5)	0.48 (0.28–0.84)	0.49 (0.28–0.84)
>4	19 (10.6)	161 (89.4)	0.78 (0.42–1.45)	0.77 (0.42–1.43)

¹Among male participants.

STI: Chlamydia trachomatis, Neisseria gonorrhoeae, Treponema pallidum, or Trichomonas vaginalis. 77 participants missing STI diagnosis at enrollment, sexual behavior details missing for 931 participants.

Note: STI: Sexually transmitted infections.