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Table 2 Characteristics Associated With HIV Testing Among Students Who Had Sexual Intercourse, National YRBS 2005–2011

From: HIV testing among United States high school students at the state and national level, Youth Risk Behavior Survey 2005–2011

  Students, No. (n = 28177) cOR (95% CI) aOR (95% CI)
Sex of the subject    
  Male 14463 Referent See Interaction
  Female 13614 1.72 (1.59–1.86) See Interaction
Grade of the subject    
  9th grade 4749 Referent See Interaction
  10th grade 6147 1.10 (0.96–1.26) See Interaction
  11th grade 7944 1.19 (1.04–1.36) See Interaction
  12th grade 9154 1.39 (1.22–1.58) See Interaction
Race and ethnicity    
  White 10684 Referent See Interaction
  Black or African American 6834 1.67 (1.45–1.92) See Interaction
  Hispanic 8106 1.00 (0.90–1.12) See Interaction
  Other 2085 1.17 (1.01–1.36) See Interaction
Use of condom at last sexual intercourse    
  Yes 17614 Referent See Interaction
  No 9919 1.63 (1.51–1.76) See Interaction
Four or more sexual partners in life    
  No 18771 Referent See Interaction
  Yes 9116 2.59 (2.40–2.79) See Interaction
First sexual intercourse before 13    
  No 24077 Referent See Interaction
  Yes 3966 1.67 (1.51–1.85) See Interaction
Ever forced to have sexual intercourse    
  No 24156 Referent See Interaction
  Yes 3856 2.24 (2.03–2.47) See Interaction
Lifetime illegal injection drug use    
  No 26630 Referent Referent
  Yes 930 2.51 (2.07–3.04) 1.68 (1.26–2.25)
2-way interactions    
Race and Number of sexual partner in life    
White    
  Less than 4 sexual partners in life 7750 Referent Referent
  4 or more sexual partners in life 2883 2.86 (2.55–3.20) 2.50 (2.21–2.82)
Black or African American    
  Less than 4 sexual partners in life 3769 Referent Referent
  4 or more sexual partners in life 2968 1.80 (1.58–2.05) 1.73 (1.48–2.02)
Hispanic    
  Less than 4 sexual partners in life 5612 Referent Referent
  4 or more sexual partners in life 2395 2.20 (1.86–2.61) 1.99 (1.66–2.39)
Other    
  Less than 4 sexual partners in life 1354 Referent Referent
  4 or more sexual partners in life 699 2.95 (2.27–3.83) 2.72 (2.06–3.58)
Sex and Age at first sexual intercourse    
Male    
  First sexual intercourse at 13 or later 11465 Referent Referent
  First sexual intercourse before 13 2918 2.26 (1.97–2.60) 1.42 (1.21–1.66)
Female    
  First sexual intercourse at 13 or later 12531 Referent Referent
  First sexual intercourse before 13 1033 1.49 (1.27–1.75) 0.99 (0.83–1.18)
Sex and Use of condom at last sexual intercourse    
Male    
  Use of condom at last sexual intercourse 9890 Referent Referent
  No use of condom at last sexual intercourse 4178 1.24 (1.10–1.40) 1.07 (0.93–1.22)
Female    
  Use of condom at last sexual intercourse 7673 Referent Referent
  No use of condom at last sexual intercourse 5701 1.76 (1.57–1.97) 1.48 (1.32–1.65)
Grade and Ever forced sexual intercourse    
9th    
  No forced sexual intercourse 3970 Referent Referent
  Ever forced sexual intercourse 748 2.14 (1.66–2.77) 1.35 (1.05–1.72)
10th    
  No forced sexual intercourse 5227 Referent Referent
  Ever forced sexual intercourse 881 2.21 (1.78–2.73) 1.60 (1.28–2.00)
11th    
  No forced sexual intercourse 6847 Referent Referent
  Ever forced sexual intercourse 1059 2.77 (2.29–3.35) 1.93 (1.57–2.37)
12th    
  No forced sexual intercourse 7974 Referent Referent
  Ever forced sexual intercourse 1126 1.93 (1.61–2.31) 1.24 (1.02–1.50)
  1. Abbreviations: cOR unadjusted OR, aOR adjusted odds ratio, HIV human immunodeficiency virus.
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