Variables

Frequency

n (%)

STI

COR (95%CI)

p-value

Yes

n

No

n

Multiple sexual partners during the last year

Yes

49 (8.78%)

34

15

1.136 (0.613 - 2.202)

0.692

No

509 (91.22%)

339

170

1

Age at first sexual intercourse

Not yet

81 (14.56%)

38

43

1

Less than 25 years

106 (19.06%)

70

36

2.200 (1.220 - 4.007)

<0.001*

25 - 35 years

330 (59.35%)

227

103

2.883 (1.754 - 4.762)

<0.001*

More than 35 years

39 (7.01%)

21

18

2.880 (1.292 - 6.770)

0.011*

Use of any kind of contraception

Yes

108 (19.35%)

83

25

0.546 (0.332 - 0.897)

0.0149*

No

450 (80.64%)

290

160

1