Table 3. Factors associated with acceptance of VCT within each strategy.

	OPT-OUT STRATEGY (TEAM 1)				OPT-IN STRATEGY (TEAM 2)
	Females (N = 2541)		Males (N = 3397)		Females (N = 3087)		Males (N = 3565)
	number accepting (%)	Unadjusted OR (95% CI)	number accepting (%)	Unadjusted OR (95% CI)	number accepting (%)	Unadjusted OR (95% CI)	number accepting (%)	Unadjusted OR (95% CI)
SOCIO-DEMOGRAPHIC FACTORS
Age (years)		P = 0.18		P = 0.74		P = 0.20		P = 0.15
<21	971 (90.9)	1	848 (90.9)	1	712 (60.0)	1	602 (59.4)	1
21–22	647 (89.0)	0.79 [0.58, 1.09]	813 (90.3)	0.92 [0.67, 1.26]	521 (58.6)	0.94 [0.79, 1.12]	585 (60.0)	1.03 [0.86, 1.23]
23–24	504 (92.3)	1.15 [0.79, 1.69]	809 (91.6)	1.09 [0.79, 1.52]	482 (62.4)	1.11 [0.92, 1.34]	584 (61.7)	1.10 [0.92, 1.32]
≥25	184 (92.9)	1.25 [0.69, 2.25]	620 (91.3)	1.06 [0.74, 1.51]	132 (55.0)	0.83 [0.63, 1.11]	403 (64.1)	1.25 [1.02, 1.54]
Currently married		P = 0.33		P = 0.55		P = 0.39		P = 0.02
No	963 (91.0)	1	1910 (91.1)	1	809 (60.6)	1	1486 (59.8)	1
Yes	1345 (90.7)	0.87 [0.66, 1.15]	1181 (90.8)	0.93 [0.73, 1.18]	1038 (59.2)	0.94 [0.81, 1.09]	688 (63.7)	1.20 [1.03, 1.39]
Tribe		P = 0.78		P = 0.52		P = 0.05		P = 0.50
Sukuma	1737 (91.2)	1	2163 (90.7)	1	1598 (59.3)	1	1893 (61.4)	1
Non-Sukuma	567 (89.7)	0.95 [0.69, 1.32]	924 (91.8)	1.10 [0.82, 1.48]	249 (64.0)	1.28 [1.00, 1.64]	279 (58.4)	0.92 [0.74, 1.16]
Religion		P = 0.26		P = 0.79		P = 0.002		P<0.001
Christian	1990 (90.6)	1	2421 (91.1)	1	1687 (60.9)	1	1819 (60.9)	1
Muslim	122 (88.4)	0.83 [0.48, 1.45]	171 (91.0)	0.91 [0.54, 1.54]	53 (54.1)	0.81 [0.54, 1.22]	59 (54.1)	0.63 [0.43, 0.91]
None/other	189 (94.5)	1.57 [0.83, 2.95]	493 (90.6)	0.90 [0.65, 1.24]	103 (48.1)	0.59 [0.44, 0.79]	252 (55.4)	0.70 [0.57, 0.87]
Circumcised (males)				P = 0.91				P = 0.005
Yes			1261 (90.7)	1			782 (57.4)	1
No			1754 (91.3)	0.99 [0.76, 1.28]			1381 (63.4)	1.25 [1.07, 1.46]
Education		P = 0.31		P = 0.02		P = 0.23		P = 0.10
Secondary or higher	246 (89.1)	1	296 (86.6)	1	223 (59.6)	1	615 (58.5)	1
Primary	1976 (90.9)	1.18 [0.78, 1.79]	2737 (91.5)	1.62 [1.16, 2.28]	1535 (60.3)	0.98 [0.78, 1.23]	1558 (62.6)	1.12 [0.96, 1.31]
Incomplete primary	82 (94.3)	2.03 [0.76, 5.44]	54 (93.1)	1.97 [0.68, 5.70]	87 (53.7)	0.74 [0.51, 1.08]	108 (55.7)	0.85 [0.62, 1.16]
SEXUAL KNOWLEDGE FACTORS
Knowledge of HIV acquisition		P = 0.09		P = 0.59		P = 0.98		P = 0.02
0–2 correct	858 (92.7)	1	944 (91.6)	1	660 (60.2)	1	647 (59.1)	1
3 correct	1444 (89.8)	0.77 [0.57, 1.04]	2137 (90.7)	0.93 [0.71, 1.21]	1179 (59.6)	1.00 [0.86, 1.17]	1524 (61.9)	1.20 [1.03, 1.39]
Knowledge of STI acquisition		P = 0.75		P = 0.11		P = 0.81		P = 0.007
0–2 correct	1575 (91.2)	1	1509 (92.0)	1	1208 (60.2)	1	1088 (59.4)	1
3 correct	729 (89.9)	0.95 [0.71, 1.27]	1574 (90.1)	0.82 [0.65, 1.05]	633 (59.4)	0.98 [0.84, 1.14]	1081 (62.8)	1.21 [1.05, 1.39]
Knowledge of pregnancy prevention		P = 0.50		P = 0.52		P<0.001		P = 0.10
0–2 correct	865 (90.9)	1	731 (91.7)	1	564 (56.1)	1	524 (59.3)	1
3 correct	1438 (90.8)	1.10 [0.83, 1.46]	2349 (90.8)	0.91 [0.68, 1.22]	1277 (61.7)	1.32 [1.13, 1.54]	1644 (61.5)	1.15 [0.98, 1.35]
Sexual attitudes		P = 0.45		P = 0.76		P = 0.60		P = 0.58
0–2 correct	2068 (90.7)	1	2181 (91.1)	1	1648 (59.7)	1	1764 (61.4)	1
3 correct	236 (91.5)	1.19 [0.75, 1.91]	906 (90.8)	0.96 [0.74, 1.25]	198 (61.9)	1.07 [0.84, 1.36]	409 (59.4)	0.95 [0.80, 1.13]
BEHAVIOURAL FACTORS
Lifetime number partners		P = 0.56		P = 0.02		P = 0.28		P = 0.02
0	179 (92.8)	1.47 [0.81, 2.68]	292 (90.4)	0.98 [0.59, 1.62]	102 (62.2)	1.14 [0.81, 1.62]	161 (54.2)	1
1	720 (90.3)	1	357 (90.6)	1	466 (58.6)	1	210 (57.4)	1.13 [0.83, 1.54]
2 (F) or 2–4 (M)	659 (90.5)	1.02 [0.72, 1.44]	1231 (89.5)	0.87 [0.59, 1.27]	551 (58.1)	0.97 [0.80, 1.18]	819 (60.9)	1.29 [1.00, 1.67]
≥3 (F) or ≥5 (M)	742 (91.2)	1.13 [0.80, 1.59]	1204 (92.9)	1.35 [0.90, 2.02]	725 (61.9)	1.13 [0.94, 1.37]	971 (63.4)	1.44 [1.11, 1.85]
Pregnancy in primary school?		P = 0.40		P = 0.13		P = 0.81		P = 0.05
No	2225 (90.7)	1	2975 (90.9)	1	1793 (59.9)	1	2091 (60.7)	1
Yes	83 (93.3)	1.41 [0.61, 3.28]	116 (94.3)	1.74 [0.80, 3.78]	54 (58.7)	0.95 [0.62, 1.45]	83 (70.3)	1.49 [1.00, 2.23]
Slept away in past 12 m		P = 0.83		P = 0.87		P = 0.29		P<0.001
No	1172 (91.3)	1	1032 (90.8)	1	979 (59.0)	1	626 (56.5)	1
Yes	1129 (90.3)	0.97 [0.74, 1.28]	2055 (91.1)	1.02 [0.80, 1.31]	867 (60.9)	1.08 [0.93, 1.26]	1546 (63.1)	1.31 [1.13, 1.52]
Concurrency in past 12 m 1		P = 0.49		P = 0.07		P = 0.34		P = 0.002
No	2142 (90.8)	1	2170 (90.4)	1	1719 (59.6)	1	1416 (58.9)	1
Yes	166 (91.7)	1.21 [0.69, 2.10]	921 (92.4)	1.28 [0.98, 1.68]	128 (63.7)	1.15 [0.86, 1.56]	758 (65.2)	1.27 [1.09, 1.47]
Casual partner in past 12 m 1		P = 0.05		P = 0.05		P = 0.21		P = 0.003
No	1981 (90.5)	1	1714 (90.2)	1	1581 (59.3)	1	931 (57.9)	1
Yes	327 (93.2)	1.53 [0.98, 2.37]	1377 (92.1)	1.27 [1.00, 1.62]	266 (63.2)	1.14 [0.92, 1.42]	1243 (63.6)	1.23 [1.08, 1.41]
BIOLOGICAL FACTORS
HIV serostatus		P = 0.30		P = 0.54		P = 0.64		P = 0.22
Negative	2231 (91.3)	1	3018 (91.3)	1	1768 (60.0)	1	2136 (61.2)	1
Positive	62 (87.3)	0.67 [0.33, 1.38]	68 (93.1)	1.32 [0.53, 3.31]	78 (57.4)	0.92 [0.65, 1.31]	37 (68.5)	1.43 [0.80, 2.55]
HSV-2		P = 0.06		P = 0.58		P = 0.50		P = 0.17
Negative	1373 (92.1)	1	2258 (91.5)	1	1057 (59.6)	1	1614 (60.9)	1
Positive	920 (89.9)	0.76 [0.58, 1.01]	828 (91.0)	0.93 [0.71, 1.21]	789 (60.2)	1.05 [0.91, 1.22]	559 (62.6)	1.12 [0.95, 1.31]
Syphilis 2		P = 0.46		P = 0.81		P = 0.01		P = 0.08
Negative	2137 (91.2)	1	2898 (91.4)	1	1702 (59.3)	1	2053 (61.0)	1
Current	112 (93.3)	1.34 [0.64, 2.79]	121 (90.3)	0.82 [0.46, 1.49]	100 (64.9)	1.32 [0.94, 1.86]	79 (70.5)	1.59 [1.05, 2.40]
Past infection	44 (88.0)	0.65 [0.27, 1.55]	67 (91.8)	1.06 [0.45, 2.46]	44 (74.6)	2.04 [1.12, 3.69]	41 (62.1)	1.09 [0.66, 1.81]

¹Among the last 3 reported partners.

²Current syphilis defined as TPPA positive and RPR positive. Past infection defined as TPPA positive and RPR negative.