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Table 2 Association between age at first intercourse and sexual partnering in adulthood, overall and stratified by age at interview

From: Age at first intercourse and subsequent sexual partnering among adult women in the United States, a cross-sectional study

  Concurrent partnerships Gap 1 = 3 months Gaps 4 or greater months
  Crude odds ratio Fully adjusted odds ratio* Crude odds ratio Fully adjusted odds ratio* Crude odds ratio Fully adjusted odds ratio*
(95% confidence interval) (95% confidence interval) (95% confidence interval) (95% confidence interval) (95% confidence interval) (95% confidence interval)
  n = 478 n = 220 n = 143
  Weighted n = 1,902,824 Weighted n = 903,503 Weighted n = 530,948
Age at first intercourse      
<15 years 4.07 (2.67-6.21) 3.72 (2.46-5.62) 2.19 (1.23-3.90) 2.13 (1.15-3.94) 0.96 (0.53-1.76) 0.94 (0.50-1.75)
15-17 years 1.89 (1.40-2.56) 1.60 (1.14-2.24) 1.03 (0.64-1.64) 0.89 (0.55-1.45) 1.32 (0.78-2.23) 1.11 (0.67-1.81)
18 + years 1.00 1.00 1.00 1.00 1.00 1.00
  1. *Adjusted for maternal education, paternal education, marital status, race, age, education level and income.
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