Table 3

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

Adolescents of migrant workers (N = 252)

Adolescents of general residents (N = 2569)

χ2


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


Unprotected sexual intercourse refers to the sexual intercourse without condemn use

High-risk partners refer to people with HIV/AIDS/STI, people with drug use, and people with

multiple sexual partners

a 2*2 Chi-square Test

b K*2 Chi-square Test

* P < 0.05 ** P < 0.01.

Li et al. BMC Public Health 2009 9:195   doi:10.1186/1471-2458-9-195

Open Data