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Table 2 Results of multivariate and multiple logistic regression analysis of factors related to risk behaviors among MSM population.

From: Knowledge and risk behaviors related to HIV/AIDS, and their association with information resource among men who have sex with men in Heilongjiang province, China

 

Ever have had anal intercourse behavior in the past 6 months

Had anal intercourse with a male sex partner in the past 6 months

Had anal intercourse with multiple male sex partner s in the past 6 months

Used a condom every time

 

OR adjusted

(95% CI)

P

OR adjusted

(95% CI)

P

OR adjusted

(95% CI)

P

OR adjusted

(95% CI)

P

City

 

<0.0001

 

<0.0001

 

<0.0001

 

NS

   Harbin

1

 

1

 

1

 

1

 

   Qiqihar

1.79

(1.11-2.90)

 

3.44

(2.46-4.81)

 

0.43

(0.31-0.59)

 

0.80

(0.57-1.13)

 

   Mudanjiang

0.51

(0.34-0.77)

 

1.87

(1.33-2.64)

 

0.39

(0.29-0.54)

 

0.78

(0.55-1.11)

 

   Jiamusi

1.06

(0.67-1.68)

 

2.43

(1.70-3.46)

 

0.48

(0.34-0.67)

 

0.67

(0.47-0.96)

 

Age group

 

0.006

 

NS

 

0.003

 

NS

   15-24 years

1

 

1

 

1

 

1

 

   25-34 years

1.29

(0.82-2.05)

 

0.79

(0.57-1.10)

 

1.38

(1.01-1.90)

 

1.11

(0.79-1.56)

 

   35-44 years

0.61

(0.35-1.08)

 

0.74

(0.47-1.16)

 

1.00

(0.65-1.53)

 

0.83

(0.52-1.34)

 

   45+ years

0.43

(0.21-0.86)

 

1.02

(0.57-1.83)

 

0.56

(0.32-0.98)

 

0.63

(0.33-1.19)

 

Education

 

NS

 

NS

 

NS

 

NS

   ≤1 education

1

 

1

 

1

 

1

 

   2 education

1.04

(0.43-2.49)

 

1.05

(0.47-2.32)

 

1.01

(0.49-2.11)

 

2.15

(0.86-5.38)

 

   3-4 education

1.54

(0.65-3.67)

 

1.35

(0.61-2.96)

 

1.02

(0.50-2.09)

 

1.84

(0.74-4.53)

 

   ≥5 education

1.37

(0.56-3.40)

 

1.23

(0.55-2.75)

 

1.04

(0.50-2.19)

 

2.06

(0.82-5.19)

 

Marriage status

 

NS

 

NS

 

NS

 

NS

   Single

1

 

1

 

1

 

1

 

   Married and cohabitation

0.93

(0.56-1.52)

 

1.12

(0.75-1.66)

 

0.87

(0.60-1.27)

 

0.88

(0.58-1.34)

 

   Divorce and widowed

1.70

(0.82-3.50)

 

1.43

(0.83-2.45)

 

0.99

(0.59-1.66)

 

0.85

(0.48-1.51)

 

Vocation

 

NS

 

NS

 

NS

 

NS

   Unemployed

1

 

1

 

1

 

1

 

   Students

0.94

(0.54-1.66)

 

1.11

(0.73-1.69)

 

0.89

(0.59-1.33)

 

1.06

(0.68-1.64)

 

   White collar

0.40

(0.21-0.79)

 

1.20

(0.71-2.03)

 

0.51

(0.31-0.85)

 

1.05

(0.60-1.82)

 

   Blue collar

0.66

(0.40-1.09)

 

1.13

(0.77-1.66)

 

0.71

(0.49-1.02)

 

1.25

(0.84-1.86)

 

Income(RMB/month)

 

0.02

 

NS

 

NS

 

0.02

   <1000

1

 

1

 

1

 

1

 

   1000-2000

1.35

(0.90-2.02)

 

0.86

(0.62-1.20)

 

1.35

(0.98-1.85)

 

1.03

(0.73-1.46)

 

   2000-3000

2.79

(1.39-5.58)

 

0.94

(0.58-1.52)

 

1.74

(1.10-2.75)

 

1.93

(1.19-3.14)

 

   >3000

3.27

(0.92-11.58)

 

1.00

(0.45-2.23)

 

1.79

(0.84-3.82)

 

0.74

(0.33-1.62)

 

Places of searching sexual partners

 

0.04

 

0.0003

 

<0.0001

 

0.02

   Bar/nightclub

1

 

1

 

1

 

1

 

   Bath/Saunas

1.91

(1.20-3.03)

 

0.72

(0.49-1.05)

 

1.92

(1.34-2.74)

 

0.69

(0.47-1.02)

 

   Park/latrine

1.20

(0.69-2.06)

 

0.98

(0.62-1.55)

 

1.11

(0.72-1.71)

 

0.43

(0.26-0.71)

 

   Internet

1.64

(1.10-2.43)

 

1.36

(1.00-1.84)

 

0.99

(0.74-1.33)

 

0.81

(0.58-1.12)

 

   Fixed locations

1.60

(0.53-4.83)

 

3.02

(1.47-6.21)

 

0.44

(0.21-0.92)

 

0.57

(0.27-1.22)

 

HIV testing over 1 year ago

 

0.01

 

NS

 

NS

 

<0.0001

   Tested

1

 

1

 

1

 

1

 

   Never tested

0.66

(0.48-0.92)

 

0.82

(0.64-1.04)

 

0.97

(0.77-1.23)

 

0.59

(0.46-0.76)

 
  1. Note: NS = not statistical significance
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