Skip to main content

Table 2 Results from multivariate logistic regression models of predicting involvement in premarital sex by age 22, TYP (N=1,777)

From: Exploring the relationship between premarital sex and cigarette/alcohol use among college students in Taiwan: a cohort study

  Male Female
Model 1 Model 2 Model 3 Model 1 Model 2 Model 3
Covariates at age 20 AOR 95% CI AOR 95% CI AOR 95% CI AOR 95% CI AOR 95% CI AOR 95% CI
Adolescent risky health behavior             
Adolescent's cigarettes use             
 Smokers 2.4** (1.4-4.0) 2.0** (1.2-3.5) 2.1* (1.2-3.9) 2.1 (0.7-6.5) 0.9 (0.3-3.3) 1.0 (0.3-3.7)
 Non-smokers 1.0   1.0   1.0   1.0   1.0   1.0  
Adolescent's alcohol use             
 Heavier drinkers 2.0 (0.9-4.4) 2.7§ (1.0-7.5) 2.7* (1.1-6.8) 3.0* (1.1-8.4) 2.0 (0.7-6.0) 2.0 (0.7-5.9)
 Light drinkers 1.2 (0.8-1.9) 1.4 (0.9-2.3) 1.2 (0.8-2.1) 2.4*** (1.5-3.8) 2.4** (1.4-4.2) 2.1* (1.2-3.6)
 Abstainers 1.0   1.0   1.0   1.0   1.0   1.0  
Peers characteristics             
Perceived cigarettes use of close friends             
 Smokers    0.9 (0.5-1.5) 0.9 (0.5-1.4)    3.0*** (1.6-5.5) 2.4** (1.3-4.7)
 Non-smokers    1.0   1.0     1.0   1.0  
Perceived alcohol use of close friends             
 Heavier drinkers    0.5 (0.2-1.4) 0.5 (0.2-1.3)    0.9 (0.4-1.3) 1.1 (0.3-4.4)
 Light drinkers    0.7 (0.4-1.2) 0.7 (0.4-1.2)    0.7 (0.2-3.5) 0.7 (0.4-1.2)
 Abstainers    1.0   1.0     1.0   1.0  
Perceived sexual behavior of close friends             
 Half or greater    3.5*** (1.9-6.5) 3.1** (1.6-6.1)    2.5* (1.2-5.2) 1.8 (0.8-4.0)
 Less than half    1.4§ (0.9-2.2) 1.4 (0.9-2.1)    1.6* (1.03-2.5) 1.2 (0.7-2.1)
 None or unknown    1.0   1.0     1.0   1.0  
Attitude toward premarital sex             
 Premarital sex permissiveness      1.3§ (0.97-1.9)      1.6** (1.2-2.3)
Stressful life and behavioral events             
Stressful school events             
 Yes      0.6 (0.3-1.1)      0.9 (0.5-1.5)
 No      1.0       1.0  
Number of stressful personal events             
 2 or more      2.7*** (1.6-4.7)      1.7* (1.001-3.0)
 1      1.4§ (0.96-2.1)      1.6§ (0.995-2.5)
 0      1.0       1.0  
Deviant behaviors             
 Yes      1.0 (0.7-1.4)      1.1 (0.6-1.8)
 No      1.0       1.0  
Psychological complaints      1.0 (1.0-1.0)      1.0 (1.0-1.0)
Family SES             
Maternal education             
 College or higher      0.6* (0.3-0.99)      0.7 (0.4-1.1)
 Senior HS      0.9 (0.6-1.4)      0.9 (0.6-1.3)
 Junior HS or lower      1.0       1.0  
Monthly family income      1.1 (1.0-1.1)      1.1* (1.004-1.2)
Family structure             
 Lives with both biological parents      1.0 (0.6-1.6)      0.7 (0.4-1.1)
 Others      1.0       1.0  
Perceived family support             
School work             
 Yes      1.3 (0.8-2.0)      1.1 (0.7-1.9)
 No      1.0       1.0  
Economic difficulty             
 Yes      0.8 (0.5-1.3)      1.1 (0.5-2.3)
 No      1.0       1.0  
Emotional difficulty             
 Yes      0.8 (0.5-1.2)      0.8 (0.5-1.2)
 No      1.0       1.0  
Perceived friend support             
School work             
 Yes      0.9 (0.6-1.4)      2.9* (1.3-6.6)
 No      1.0       1.0  
Economic difficulty             
 Yes      0.9 (0.6-1.4)      1.1 (0.7-1.8)
 No      1.0       1.0  
Emotional difficulty             
 Yes      2.0* (1.1-3.5)      0.8 (0.4-1.6)
 No      1.0       1.0  
  1. Note: All logistic regression models adjust for sampling cluster; AOR represents adjusted odds ratios for sample cluster; CI represents confidence interval; §p < 0.10, *p < 0.05, **p < 0.01, ***p < 0.001.