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Table 1 Bivariate and multivariate analysis of having sex on three days or more per week among men who have sex with men in Bangkok, Thailand, 2009

From: Sex frequency and sex planning among men who have sex with men in Bangkok, Thailand: implications for pre- and post-exposure prophylaxis against HIV infection

       

Bivariate

  

Multivariate

 

Demographics

Total

%

Sex ≥ 3 days

%

OR

95% CI

p

OR

95% CI

p

Total

823

100

117

14.2

      

Age group (years)

          

18-21

71

8.6

12

16.9

1.18

0.58-2.39

0.78

   

22-29

473

57.5

64

13.5

0.91

0.59-1.39

0.74

   

≥ 30

279

33.9

41

14.7

1

     

Employment

          

Yes

625

75.9

90

14.4

1.06

0.67-1.69

0.88

   

No

198

24.1

27

13.6

1

     

Education

          

Less than high school

56

6.8

6

10.7

1

     

High school or equivalent

352

42.8

58

16.5

1.64

0.67-4.01

0.37

   

University and above

415

50.4

53

12.8

1.22

0.49-2.98

0.82

   

Current living situation

          

Live with parents/relatives

334

40.6

37

11.1

1

     

Live with partner

104

12.6

19

18.3

1.79

0.98-3.28

0.08

   

Live alone/friend/other

385

46.8

61

15.8

1.51

0.98-2.34

0.08

   

Use of alcohol

(past 4 m)

          

Yes

660

80.2

107

16.2

2.96

1.51-5.80

0.001

2.49

1.24-4.98

0.01

No

163

19.6

10

6.1

1

  

1

  

Binge drinking

(past 4 m)*(n = 660)

          

Yes

76

11.5

17

22.4

1.58

0.88-2.84

0.17

   

No

584

88.5

90

15.4

1

     

Use of any drugs

(past 4 m)

          

Yes

73

8.9

19

26.0

2.34

1.33-4.12

0.002

 

-†

 

No

750

91.1

98

13.1

1

     

Inhaled nitrites

(poppers) (past 4 m)

          

Yes

34

4.1

9

26.5

2.27

1.03-4.99

0.04

 

-†

 

No

789

95.9

108

13.7

1

     

Used club drugs ‡

(past 4 m)

          

Yes

58

7.0

16

27.6

2.50

1.36-4.62

0.002

 

-†

 

No

765

93.0

101

13.2

1

     

Used erectile dysfunction drugs (ever)

          

Yes

43

5.2

18

41.9

4.95

2.61-9.41

<0.001

2.68

1.29-5.55

0.008

No

780

94.8

99

12.7

1

  

1

  

Sexual self identification (baseline)

          

Homosexual

652

79.2

93

14.3

1.02

0.63-1.65

0.94

   

Heterosexual/bisexual/Transgender

171

20.8

24

14.0

1

     

Age at first anal sex (n = 812)

          

≤ 15

115

14.2

21

18.3

1.40

0.83-2.35

0.26

   

> 15

697

85.8

96

13.8

1

     

Had steady male partner (past 4 m)

          

Yes

563

68.4

89

15.8

1.56

0.99-2.45

0.07

   

No

260

31.6

28

10.8

1

     

Had casual male partner (past 4 m)

          

Yes

568

69.0

95

16.7

2.13

1.30-3.47

0.002

   

No

255

31.0

22

8.6

1

     

Usual anal sex position with male (those who had anal sex) (n = 812)

          

Insertive

306

37.7

46

15.0

1.08

0.73-1.62

0.69

   

Receptive/both

506

62.3

71

14.0

1

     

Condom use with steady/casual male partners (past 4 m) (n = 771)

          

Always

435

56.4

58

13.3

1

     

Not always

336

43.6

57

17.0

1.33

0.89-1.97

0.19

   

Last sex was planned (n = 818)

          

Yes

534

65.3

79

14.8

1.12

0.74-1.71

0.58

   

No

284

34.7

38

13.4

1

     

Group sex (ever)

          

Yes

137

16.6

42

30.7

3.60

2.33-5.57

<0.001

2.07

1.27-3.36

0.003

No

686

83.4

75

10.9

1

  

1

  

Sex with foreigner

(past 4 m)

          

Yes

115

14.0

34

29.6

3.16

1.99-5.01

<0.001

1.84

1.11-3.06

0.02

No

708

86.0

83

11.7

1

  

1

  

Coerced into sex (ever)

          

Yes

144

17.5

20

13.9

1

     

No

679

82.5

97

14.3

1.03

0.61-1.74

0.90

   

Paid male partner for sex (past 4 m)

          

Yes

96

11.7

25

26.0

2.43

1.47-4.03

<0.001

1.91

1.10-3.30

0.02

No

727

88.3

92

12.7

1

  

1

  

Condom use with male partner you paid

(past 4 m) (n = 96)

          

Always

68

70.8

18

26.5

1.08

0.39-2.97

0.88

   

Not always

28

29.2

7

25.0

1

     

Got paid for sex by male partner (past 4 m)

          

Yes

97

11.8

33

34.0

3.94

2.44-6.35

<0.001

2.68

1.59-4.52

<0.001

No

726

88.2

84

11.6

1

  

1

  

Condom use with male partner who paid you (past 4 m) (n = 97)

          

Always

77

79.4

28

36.4

1.71

0.56-5.21

0.49

   

Not always

20

20.6

5

25.0

1

     

Suicidal ideation § (ever)

          

Yes

213

25.9

38

17.8

1.46

0.96-2.23

0.08

   

No

610

74.1

79

13.0

1

     

HIV testing (ever)

          

Yes

426

51.8

73

17.1

1.66

1.11-2.48

0.01

1.54

1.001-2.36

0.049

No

397

48.2

44

11.1

1

  

1

  

Worried about getting HIV infection

          

Never to regularly

587

71.3

77

13.1

1

     

Often to always

236

28.7

40

16.9

1.35

0.89-2.05

0.19

   

Worried about getting STI

          

Never to regularly

609

74.0

86

14.1

1

     

Often to always

214

26.0

31

14.5

1.03

0.66-1.61

0.99

   

Increased sexual risk behaviour after hearing about effective treatment for HIV infection

          

Not at all to moderate

645

78.4

97

15.0

1.40

0.84-2.34

0.24

   

Much to a great deal

178

21.6

20

11.2

1

     
  1. *Got drunk 2-3 times per week or more in the past four months among those who used alcohol
  2. †Dropped out of the multivariate model
  3. ‡Club drugs = marijuana, ecstasy, methamphetamine, ketamine, cocaine, and gamma hydroxy butyrate (GHB)
  4. §Ever had seriously thought about or attempted suicide
  5. M: month: STI: sexually transmitted infection