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Table 2 Multivariate logistic regression analysis of perceived sex and drug interdependence

From: The relationship between severity of drug problems and perceived interdependence of drug use and sexual intercourse among adult males in drug addiction rehabilitation centers in Japan

  perceived interdependence of sexual intercourse and drug use was stronga ( = 1) and weakb ( = 0)    
Crude odds ratio 95% CI Wald p-value Adjusted odds ratio 95% CI Wald p-value
Age 1.031 1.009 1.053 7.861 0.005 1.012 0.983 1.043 0.644 0.422
Education
High school (ref) 1       1      
 Junior high school 1.196 0.801 1.787 0.768 0.381 0.626 0.371 1.057 3.075 0.080
Sexual orientation
 Heterosexual (ref) 1       1      
 Non-heterosexual 1.455 0.792 2.671 1.462 0.227 1.211 0.574 2.555 0.252 0.616
Employment
 Employed (ref) 1       1      
 Unemployed 0.743 0.466 1.187 1.545 0.214 0.713 0.411 1.237 1.452 0.228
Drug-related criminal record
 None (ref) 1       1      
1 3.132 2.036 4.819 26.986 < 0.001 1.732 0.947 3.166 3.185 0.074
Chronic disease (Physical disease)
 None (ref) 1       1      
 chronic disease 1.850 1.094 3.128 5273 0.022 0.856 0.436 1.679 0.205 0.651
The history of treatment
 None (ref) 1       1      
 experienced treatment 0.659 0.387 1.122 2.360 0.124 0.847 0.449 1.597 0.263 0.608
The primary substance of dependence
 Methamphetamine 5.520 3.413 8.926 48.530 < 0.001 3.220 1.723 6.017 13.429 < 0.001
 NPS 2.495 1.305 4.771 7.642 0.006 2.744 1.292 5.826 6.903 0.009
 Other than methamphetamine and NPS (ref) 1       1      
Injecting and sharing needles during drug use
 Never experienced using needle (ref) 1       1      
 Only experienced injecting 3.546 1.827 6.881 14.003 < 0.001 1.986 0.892 4.425 2.819 0.093
 Experienced injecting and sharing needles 4.588 2.891 7.282 41.775 < 0.001 1.871 0.975 3.591 3.548 0.060
Consistent condom use under the influence of drugs
 Always uses condoms (ref) 1       1      
 Sometimes a non-condom user 3.216 1.739 5.950 13.855 < 0.001 2.536 1.257 5.116 6.748 0.009
 Mostly a non-condom user 7.225 4.362 11.967 59.009 < 0.001 4.410 2.444 7.959 24.277 < 0.001
DAST-20 score 1.104 1.050 1.161 14.874 < 0.001 1.093 1.029 1.160 8.348 0.004
  1. Significant p-values are shown in bold type and underlined (p < 0.01)
  2. Explanatory variable is relationship between drug use and sexual intercourse responded as stronga ( = 1) and weakb ( = 0)
  3. a: Strong consisted of respondents who considered the relationship between drug use and sexual intercourse was perceived “extremely strong + strong”
  4. b: Weak consisted of respondents who considered the relationship between drug use and sexual intercourse was perceived “extremely weak + weak”
  5. Abbreviations: NPS new psychoactive substances, DAST the drug abuse screening test, CI confidence interval