Table 3 Prevalence and multivariate associations of Chlamydia infection with demographic, behavioural, and clinical factors for female higher education students†

Higher Education Institution

   A

114

4 (3.5)

ref

ref

   B

180

13 (7.2)

2.4

0.8-8.0

2.1

0.6-7.3

   C

156

5 (3.2)

1.0

0.3-4.0

1.1

0.3-4.5

Number of lifetime sexual partners

   1

125

3 (2.4)

1-2

ref

   2

79

1 (1.3)

   3

54

5 (9.3)

≥ 3

3.6

1.4-9.5*

   ≥ 4

187

13 (7.0)

SI with a new partner and no condom used

   No

263

8 (3.0)

   Yes

180

14 (7.8)

Number of one-night stands

0-1

324

12 (3.7)

ref

≥ 2

125

10 (8.0)

2.7

1.0-7.7*

Number of sexually active years

≤ 1

35

0 (0.0)

per year

0.8 ^$

0.7-1.1

0.9^$

0.8-1.2

1-2

79

3 (3.8)

2-3

91

4 (4.4)

3-4

91

9 (9.9)

4-5

64

4 (6.3)

≥ 5

90

2 (2.2)

Have suggestive symptoms

   No

341

12 (3.5)

ref

ref

   Yes

109

10 (9.2)

2.5

1.0-6.3*

2.5

1.0-6.9*