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Table 4 Factors associated with unprotected sexual intercourse among sexually experienced respondents by gender

From: HIV sexual risk behaviors and perception of risk among college students: implications for planning interventions

Inconsistent condom use in previous 30 Days*
  Male Female
  (%)a Unadjusted Odds Ratio (95% CI) (%)a Unadjusted Odds Ratio (95% CI) Adjusted Odds Ratio (CI)
Age (Years)      
0-19 52.9 1 67.2 1  
20-29 72.5 2.34 (0.72-7.61) 83.1 2.41 (1.11-5.20)**  
30 & Above 81.8 4.0 (0.66-24.30) 88.5 3.74 (1.00-13.95)**  
Ethnicity      
White 90.0 1 50.0 1  
African American 62.7 0.19 (0.02-1.58) 77.4 3.42 (0.81-14.35)  
Hispanic or Latino 42.9 0.08 (0.01-1.07) 90.9 10.00 (0.84-119.32)  
Others 80.0 0.44 (0.02-9.03) 100.0 -  
Marital status      
Never been married 60.3 1 77.7 1  
Married 80.0 2.63 (0.28-24.86) 91.7 3.16 (0.39-25.29)  
Separated/divorced/widow 100.0   70.6 0.69 (0.23-2.09)  
Membership of fraternity      
Yes 61.5 1 63.6 1  
No 66.2 1.22 (0.36-4.16) 78.9 2.13 (0.59-7.67)  
Age of first sex initiation      
< 19 years 58.8 1 78.8 1  
> 19 years 100.0 - 68.8 0.59 (0.19-1.83)  
At least one drinks of alcohol in last 30 days      
No 60.6 1 71.8 1  
Yes 69.4 1.47 (0.58-3.72) 81.6 1.74 (0.86-3.50)  
Marijuana use in last 30 days      
No 61.4 1 74.3 1 1
Yes 80.0 2.51 (0.74-8.50) 92.1 4.04 (1.17-13.93)** 5.05 (1.34-19.02)**
Use if other illegal drug in last 30 days      
No 66.3 1 78.1 1  
Yes 50.0 0.51 (0.03-8.46) 66.7 0.56 (0.05-6.33)  
Alcohol and drug use in last 30 days      
No 63.4 1 77.0 1  
Yes 81.8 2.60 (0.52-12.96) 84.0 1.57 (0.51-4.85)  
Alcohol and/or drug use before or during last sex      
Yes 81.8 1 71.4 1  
No 64.7 0.41 (0.08-2.04) 78.0 1.42 (0.57-3.51)  
Did not use condom last sex*
  Male Female
  (%)b Unadjusted Odds Ratio (95% CI) (%)b Unadjusted Odds Ratio (95% CI) Adjusted Odds Ratio (CI)
Age (Years)      
0-19 36.4 1 52.0 1 1
20-29 52.9 1.97 (0.70-5.50) 64.6 1.69 (0.93-3.05) 1.61 (0.83-3.13)
30 & Above 63.6 3.06 (0.86-13.79) 78.8 3.43 (1.33-8.86)** 3.86 (1.20-12.47)**
Ethnicity      
White 53.3 1 45.5 1  
African American 45.9 0.61 (0.18-2.09) 61.7 1.93 (0.57-6.55)  
Hispanic or Latino 30.0 0.31 (0.52-1.80) 84.6 6.60 (0.97-44.93)  
Others 83.3 3.57 (0.31-40.75) 70.0 2.80 (0.46-16.93)  
Marital status      
Never been married 44.8 1 61.9 1  
Married 66.7 2.46 (0.43-14.14) 83.3 3.08 (0.86-11.01)  
Separated/divorced/widow 70.0 2.87 (0.70-11.85) 52.2 0.67 (0.28-1.60)  
Membership of fraternity      
Yes 52.6 1 41.7 1  
No 47.6 0.82 (0.30-2.22) 63.7 2.45 (0.75-7.98)  
Age of first sex initiation      
< 19 years 45.9 1 62.4 1  
> 19 years 63.6 2.06 (0.56-7.58) 68.0 1.28 (0.53-3.11)  
At least one drinks of alcohol in last 30 days      
No 45.5 1 54.2 1  
Yes 50.8 1.24 (0.57-2.72)** 68.1 1.81 (1.06-3.10)**  
Marijuana use in last 30 days      
No 46.7 1 61.7 1  
Yes 52.2 1.25 (0.49-3.18) 65.9 1.20 (0.60-2.39)  
Use if other illegal drug in last 30 days      
No 49.5 1 62.9 1  
Yes 25.0 0.34 (0.03-3.38) 33.3 0.30 (0.03-3.30)  
Alcohol and drug use in last 30 days      
No 47.8 1 61.8 1  
Yes 53.8 1.28 (0.40-4.09) 67.9 1.30 (0.56-3.02)  
Alcohol and/or drug use before or during last sex      
Yes 61.5 1 58.8 1  
No 48.8 0.60 (0.18-1.97) 63.6 1.22 (0.58-2.57)  
  1. * Adjusted for all variables listed in the table.
  2. a Percent of sexually experienced students in each category who reported that they did not use condom always (inconsistent condom use) for sex in the previous 30 days.
  3. b Percent of sexually experienced students in each category who reported not using condom during last sexual intercourse.
  4. ** p ≤ 0.05