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Table 3 Prevalence of HIV/STI-related risk behaviors: differences by study groups

From: Characteristics and determinants of sexual behavior among adolescents of migrant workers in Shangai (China)

 

Adolescents of migrant workers (N = 252)

Adolescents of general residents (N = 2569)

χ 2

I Sexual intercourse in lifetime (%)

  

3.52* a

   Ever had

7.2

4.5

 

   Never had

92.8

95.5

 

II Age of the first sexual intercourse (%)

  

4.95* b

   11–12 years

11.1

5.8

 

   13–14 years

60.0

29.7

 

   ≥ 15 years

28.9

64.5

 

III Sexual intercourse in past 3 months (%)

  

3.45* a

   Ever had

4.3

1.8

 

   Never had

95.7

98.2

 

IV Among sexual intercourses within past 3 months

   

   1. Partners >1 (%)

  

0.69a

Ever had

7.1

6.9

 

Never had

92.9

93.1

 

   2 Unprotected sexual intercourse (%)

  

6.31** a

Ever had

47.3

34.3

 

Never had

52.7

65.7

 

   3. Sexual intercourse while drunk (%)

  

0.79a

Ever had

7.1

6.7

 

Never had

92.9

93.3

 

   4. Sexual intercourse with high-risk partners (%)

  

0.03a

Ever had

9.1

7.6

 

Never had

90.9

92.4

 

V Substance use

   

   1. Injection drug use (%)

  

0.21a

Ever had

0.7

0.4

 

Never had

99.3

99.6

 

   2. Oral/rhinal drug use (%)

  

0.31a

Ever had

0.7

0.4

 

Never had

99.3

99.6

 

   3. Cigarette smoking (%)

  

7.06** a

No/occasional

97.9

99.6

 

Often/usually

3.1

0.8

 

   4. Alcohol drinking (%)

  

0.12a

No/occasional

99.3

99.0

 

Often/usually

0.7

1.0

 
  1. Unprotected sexual intercourse refers to the sexual intercourse without condemn use
  2. High-risk partners refer to people with HIV/AIDS/STI, people with drug use, and people with
  3. multiple sexual partners
  4. a 2*2 Chi-square Test
  5. b K*2 Chi-square Test
  6. * P < 0.05 ** P < 0.01.