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Table 3 Logistic regression models examining the odds of contraceptive methods used during last sexual intercourse among male participants

From: The socioeconomic and lifestyle determinants of contraceptive use among Chinese college students: a cross-sectional study

  Specific contraceptive methods used
Any self-reported use of contraception Oral & injectable contraceptives Condom Emergency contraceptives
na = 1177 na = 101 na = 1174 na = 61
OR 95% CI OR 95% CI OR 95% CI OR 95% CI
School
 College 1.00   1.00   1.00   1.00  
 Professional School 0.79 0.54–1.18 0.87 0.33–2.31 0.98 0.66–1.45 0.50 0.16–1.58
P for difference 0.26 0.79 0.92 0.24
Geographical distribution
 Eastern 1.00   1.00   1.00   1.00  
 Central 0.65 0.32–1.32 2.83 0.61–12.99 0.62 0.32–1.21 4.15 0.65–26.66
 Western 0.71 0.38–1.32 1.82 0.37–8.58 1.06 0.57–2.00 1.92 0.40–9.06
P for difference < 0.01 0.13 < 0.01 0.55
Expenditure per month
 Less than 1000 1.00   1.00   1.00   1.00  
 1000–2000 1.37* 1.07–1.75 0.83 0.50–1.39 1.48** 1.16–1.89 0.98 0.50–1.94
 More than 2000 1.03 0.72–1.47 0.63 0.27–1.48 1.12 0.78–1.61 1.06 0.41–2.72
P for trend 0.37 0.29 0.17 0.90
Hometown
 Urban 1.00   1.00   1.00   1.00  
 Suburban 1.23 0.95–1.60 1.59 0.93–2.73 1.05 0.81–1.35 0.95 0.46–1.96
 Rural 1.15 0.86–1.54 0.93 0.48–1.80 1.02 0.76–1.37 0.97 0.45–2.12
P for difference 0.28 0.13 0.28 0.73
Parental education
 Primary school and below 1.00   1.00   1.00   1.00  
 Middle & high school 0.89 0.63–1.27 0.85 0.42–1.75 1.03 0.73–1.45 0.99 0.39–2.49
 Vocational school and higher 0.91 0.61–1.36 1.37 0.60–3.11 0.92 0.62–1.37 1.02 0.34–3.09
P for difference 0.926 0.64 0.61 0.80
Tobacco use
 No smoking 1.00   1.00   1.00   1.00  
 1–10 cigarettes/day 0.93 0.72–1.19 0.94 0.55–1.60 1.06 0.82–1.37 0.47* 0.23–0.95
  > 10 cigarettes/day 0.91 0.62–1.34 1.28 0.60–2.74 0.68 0.46–1.00 0.83 0.32–2.13
P for trend 0.45 0.71 0.17 0.25
Alcohol consumption
 Abstinence 1.00   1.00   1.00   1.00  
 Light 1.41 0.98–2.05 0.65 0.32–1.31 1.47* 1.03–2.11 0.72 0.30–1.69
 Moderate 1.31 0.86–1.99 0.76 0.36–1.62 1.41 0.94–2.12 0.85 0.21–2.32
 Heavy 1.18 0.75–1.86 0.82 0.32–2.07 1.41 0.91–2.21 0.49 0.14–1.78
P for trend 0.90 0.93 0.40 041
Sexual knowledge
 SRH knowledge score < =2 1.00   1.00   1.00   1.00  
 SRH knowledge score > 2 1.96* 1.57–2.45 0.72 0.44–1.15 1.90** 1.52–2.37 1.13 0.62–2.05
P for difference < 0.01 0.17 < 0.01 0.69
  1. aThe n refers to the number of participants who reported specific contraceptive use during the last sexual intercourse. The total number of participants analysed via logistic model is 1855
  2. bAdjustments: type of school, school, geographical distribution, expenditure per month, hometown, parent education, tobacco use, alcohol consumption, sex education
  3. * P < 0.05, ** P < 0.01