Table 2.

Correlation between behavioral characteristics of female sex workers and C. trachomatis infection

Characteristic	Women tested	Prevalene of C. trachomatis infection		P value
	No.	No.	%
Duration in the sex industry (years)
1 to 5	20	1	5.0	0.14
6 to 11	47	11	23.4
≥11	134	20	14.9
Area of work
Urban	196	32	16.3	0.74
Suburban	2	0	0.0
Rural	1	0	0.0
Sex activity in Mexican states other than Durango
Yes	58	9	15.5	1.0
No	142	23	16.2
Sex activity abroad
Yes	3	1	33.3	0.4
No	198	31	15.7
Condom use
Yes	115	19	16.5	0.77
No	80	12	15.0
Contact with semen during vaginal intercourse
Yes	86	13	15.1	0.74
No	113	19	16.8
Practice of oral sex
Yes	121	16	13.2	0.18
No	79	16	20.3
Practice of anal sex
Yes	17	1	5.9	0.31
No	182	31	17.0
Injuries during sex activity
Yes	12	2	16.7	1.0
No	187	30	16.0
Alcohol consumption
Yes	36	10	27.8	0.03
No	165	22	13.3
Tobacco consumption
Yes	41	5	12.2	0.63
No	160	27	16.9
Drug use
Yes	13	3	23.1	0.43
No	188	29	15.4