|
Factors
|
Infections/cases
|
Unadjusted OR (95%CI)
|
P
|
Adjusted OR (95% CI)
|
P
|
|---|
|
Age
|
|
Older age
|
58/198
|
1.03 (1.01–1.06)
|
0.02
|
1.05 (1.01–1.08)
|
0.01
|
|
Marital status
|
|
No
|
23/75
|
1
| |
1
| |
|
Yes
|
35/123
|
0.90 (0.48–1.69)
|
0.74
|
0.55 (0.25–1.21)
|
0.14
|
|
Occupation
|
|
Unstable or no job
|
16/53
|
1
| | | |
|
Blue collar
|
11/47
|
0.71 (0.29–1.73)
|
0.45
|
–
|
–
|
|
White collar
|
31/98
|
1.07 (0.52–2.21)
|
0.86
|
–
|
–
|
|
Education
|
|
< College
|
17/84
|
1
| |
1
| |
|
≥ College
|
41/114
|
2.21 (1.15–4.26)
|
0.02
|
2.17 (1.08–4.35)
|
0.03
|
|
Smoking
|
|
No
|
39/123
|
1
| | | |
|
Yes
|
19/75
|
0.73 (0.38–1.39)
|
0.34
|
–
|
–
|
|
Alcohol consumption
|
|
No
|
5/24
|
1
| | | |
|
Yes
|
53/174
|
1.66 (0.59–4.69)
|
0.34
|
–
|
–
|
|
Family member with cancer
|
|
No
|
53/175
|
1
| | | |
|
Yes
|
5/23
|
0.64 (0.23–1.81)
|
0.40
|
–
|
–
|
|
STI knowledge
|
|
Yes
|
5/10
|
1
| |
1
| |
|
No
|
53/188
|
2.55 (0.71–9.16)
|
0.15
|
4.21 (1.08–16.42)
|
0.04
|
|
Circumcision
|
|
No
|
41/139
|
1
| | | |
|
Yes
|
17/59
|
0.97 (0.50–1.90)
|
0.92
|
–
|
–
|
|
Age at sexual debut
|
|
Older age
|
58/198
|
1.03 (0.93–1.13)
|
0.58
|
–
|
–
|
|
Total number of sexual partners
|
|
Higher number
|
58/198
|
1.00 (0.99–1.02)
|
0.68
|
–
|
–
|
|
Number of sexual partners in last 6 months
|
|
Higher number
|
58/198
|
0.98 (0.93–1.05)
|
0.60
|
–
|
–
|
|
Female sex worker as a sexual partner in last 6 months
|
|
No
|
46/164
|
1
| | | |
|
Yes
|
12/34
|
1.40 (0.64–3.06)
|
0.40
|
–
|
–
|
|
Condom usage
|
|
Rarely or Never
|
10/48
|
1
| | | |
|
Sometimes
|
34/104
|
1.85 (0.82–4.14)
|
0.14
|
–
|
–
|
|
Everytime
|
14/46
|
1.66 (0.65–4.25)
|
0.29
|
–
|
–
|
|
STI history
|
|
No
|
17/66
|
1
| | | |
|
Yes
|
41/132
|
1.30 (0.67–2.52)
|
0.44
|
–
|
–
|
|
Urethritis
|
|
No
|
8/27
|
1
| | | |
|
Yes
|
50/171
|
0.98 (0.40–2.39)
|
0.97
|
–
|
–
|
|
Oral sex
|
|
No
|
38/126
|
1
| | | |
|
Yes
|
20/72
|
0.89 (0.47–1.69)
|
0.72
|
–
|
–
|
- STI sexually transmitted infection, OR odds ratio, CI confidence interval, Dash (-) indicates not included in the last step of the stepwise binary logistic regression analysis
