Table 3.

Factors associated with depression among female sex workers in Guangdong, China (N = 653).

	Crude model			Adjusted model∗
	OR	95% CI	p value	OR	95% CI	p value
Age (year)
≤20	Ref
21–30	0.69	0.43, 1.11	0.124
31–40	0.87	0.52, 1.45	0.584
41 and above	0.79	0.46, 1.37	0.407
Education
Primary school and below	Ref
Middle school	0.76	0.52, 1.1	0.145
Senior high school and above	0.91	0.56, 1.46	0.681
Marital status
Unmarried	Ref
Married	0.84	0.60, 1.17	0.296
Others	0.78	0.48, 1.25	0.302
Monthly income
≤450	Ref
451–749	0.97	0.70, 1.34	0.837
≥750	1.95	1.11, 3.45	0.021
Living status
Alone	Ref
With partner	1.20	0.82, 1.75	0.346
Others	1.14	0.78, 1.66	0.499
Residency
Study city	Ref			Ref
Another city in Guangdong province	2.03	1.06, 3.89	0.032	1.53	0.78, 3.03	0.217
Another province	1.36	0.93, 2.01	0.115
STDs related service
No	Ref
Yes	1.31	0.85, 2.04	0.225
Syphilis related knowledge
No	Ref			Ref
Yes	1.45	1.05, 1.98	0.022	1.45	1.04, 2.03	0.028
Condom use during the last work
Yes	Ref
No	0.98	0.67, 1.43	0.910
Frequency of condom use in the last month with clients
Always	Ref
Sometimes	1.13	0.82, 1.57	0.450
Primary sex partners
No	Ref			Ref
Yes	1.67	1.20, 2.32	0.003	1.63	1.14, 2.33	0.008
Condom use during the last sex with primary partners
Yes	Ref			Ref
No	0.44	0.30, 0.66	<.0001	0.47	0.31, 0.71	0.000
Frequency of condom use in the last month with primary partners
Always	Ref
Sometimes	0.84	0.59, 1.21	0.348
STDs symptoms
No	Ref
Yes	0.77	0.55, 1.06	0.108
Drug use
No	Ref
Yes	0.68	0.15, 3.06	0.615
HIV
No	Ref
Yes	2.74	0.28, 26.42	0.384
Syphilis
No	Ref
Yes	0.58	0.28, 1.18	0.130
HCV
No	Ref
Yes	1.47	0.47, 4.53	0.506

Note. ^∗Adjusted for age, education, marital status, and monthly income.