. 2015 Aug 6;3:e1076. doi: 10.7717/peerj.1076

Table 3. Multivariate models of factors associated with condom use among female sex workers in The Gambia.

	Always used condoms in past 6 months		Always used condoms in past month with new clients		Always used condoms in past month with nonpaying partners		Used condom at last vaginal or anal sex with nonpaying partner
	aOR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI
Grew up
Rural Gambia	REF	REF	REF	REF	REF	REF	REF	REF
Urban Gambia	0.40	0.14, 1.14	0.16	0.02, 1.28	0.08^*	0.01, 0.64	0.30	0.06, 1.40
Outside Gambia	1.36	0.56, 3.29	0.52	0.06, 4.24	0.76	0.17, 3.39	1.85	0.49, 6.93
Number of children	0.94	0.75, 1.18	1.59	0.80, 3.18	1.02	0.71, 1.47	1.00	0.73, 1.37
Lives with
No one	REF	REF	REF	REF	REF	REF	REF	REF
Sexual partner	0.69	0.24, 1.95	$\hat{}$	$\hat{}$	1.53	0.30, 7.67	1.35	0.30, 6.00
Other	0.94	0.43, 2.05	$\hat{}$	$\hat{}$	1.42	0.34, 5.95	1.95	0.60, 6.35
Because of selling sex…
Afraid to seek healthcare	0.26^*	0.07, 0.88	∼	∼	0.18	0.01, 4.25	0.36	0.05, 2.67
Experienced verbal or physical harassment	0.76	0.33, 2.09	1.57	0.19, 13.21	0.34	0.06, 1.92	0.31	0.74, 1.29
Experienced blackmail	0.73	0.33, 1.63	1.56	0.21, 11.90	2.04	0.55, 7.55	3.82^*	1.20, 12.12
Safe places to socialize with other sex workers	0.77	0.30, 1.94	3.07	0.60, 15.61	0.51	0.08, 3.09	0.61	0.14, 2.66
Can count on sex worker colleagues to support condom use
Strongly disagree	REF	REF	REF	REF	REF	REF	REF	REF
Disagree	1.19	0.21, 6.76	0.89	0.03, 23.19	8.28	0.47, 144.83	1.06	0.11, 10.37
Agree	1.95	0.59, 6.52	0.23	0.02, 3.50	1.08	0.73, 16.10	1.70	0.23, 11.74
Strongly agree	1.61	0.45, 5.78	0.33	0.02, 4.72	1.27	0.08, 19.51	1.52	0.21, 11.16
Disclosed sex work to health worker	1.15	0.53, 2.53	3.45	0.52, 22.90	0.47	0.11, 1.97	0.28^*	0.09, 0.84
Tested for HIV in past year	1.64	0.76, 3.54	10.81^**	1.90, 61.63	1.46	0.39, 5.46	1.14	0.40, 3.29
Received HIV prevention information in past year	1.76	0.78, 4.00	2.00	0.37, 10.75	7.11	0.97, 52.25	2.51	0.60, 10.44
Ever pregnant	0.60	0.19, 1.96	0.21	0.02, 2.75	0.09^*	0.01, 0.79	0.57	0.13, 2.54
Condom acquisition
Buy all	REF	REF	REF	REF	REF	REF	REF	REF
Get all for free	0.87	0.35, 2.18	2.80	0.28, 27.81	4.10	0.80, 21.00	3.75	0.89, 15.75
Buy and get for free	0.53	0.18, 1.56	1.63	0.14, 18.66	2.11	0.33, 13.42	2.69	0.59, 12.36
Ever offered more money for non-condom-protected sex	0.77	0.33, 1.79	0.64	0.10, 3.95	0.56	0.13, 2.33	1.93	0.56, 6.65
Ease suggesting condom use with clients	1.03^**	1.01, 1.04	1.02	0.99, 1.06	–	–	–	–
Analysis sample (n)	207		142		106		108

Notes.

95% confidence intervals in parentheses.

p < 0.05.

^**

p < 0.01.

$\hat{}$ predicts success perfectly.

∼ omitted due to collinearity.

– omitted because questions did not include nonpaying partners.