Table 4

Factors associated with ongoing unprotect sexual intercourse and multiple sexual intercourse during past 3 months by logistic regression models
Unprotect sexual intercourse in last three months Multipal sexual partner in last three months
B OR (95% CI) B OR (95% CI)
Age NS NS
Gender
 Male NS NS
 Female 1.00 1.00
Father’s educational level
 Middle school and below NS NS
 High school NS NS
 College and above 1.00 1.00
Mother’s educational level
 Middle school and below NS NS
 High school NS NS
 College and above 1.00 1.00
Family income status
 Low (<1500) NS NS
 Medium (1500–2499) NS NS
 High (≥2500) 1.00 1.00
Family structure
 Single parent family NS NS
 Nuclear/large family 1.00 1.00
Cigarette smoking in last three months
 Often/usually 0.18 2.04 (1.02-4.00) * NS
 No/occasional 1.00 1.00
Drunk in last three months
 Often/usually NS NS
 No/occasional 1.00 1.00
Illict drug use in last three months
 Ever had 0.24 2.44 (1.15-5.26) * NS
 Never had 1.00 1.00
Age of the first sexual intercourse in lifetime
 ≤14 years NS 0.89 2.45 (1.79-7.08) *
 15-17 years NS 0.68 1.97 (1.24-5.73) *
 ≥18 years 1.00 1.00
Age of the first sexual partner
 ≤14 years NS NS
 15-17 years NS NS
 ≥18 years 1.00 1.00

Family income was expressed in RMB(yuan)/person/month.

OR, odds ratio.

CI, confidence interval.

NS: no significance.

*P<0.05.

Li et al.

Li et al. BMC Public Health 2013 13:295   doi:10.1186/1471-2458-13-295

Open Data