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Table 3 The odds ratio for the determinants of current use of contraception among 1813 non-pregnant, sexually active women of reproductive age, who say they do not want to get pregnant

From: Contraceptive use and discontinuation among women in rural North-West Tanzania

    Unadjusted model Adjusted model
Categories Total Current use Odds Ratio   Odds Ratio  
  N = 1813 N = 610 (95% C.I.) p-value (95% C.I.) p-value
Intercept      1.00  
HIV statusa
 Negative 1651 566 1.00    
 Positive 155 42 0.71 (0.49,1.03) 0.0714 0.89 (0.60,1.32) 0.5598
Age
 15–24 373 144 1.00    
 25–34 643 312 1.50 (1.16,1.94) 0.0022 1.17 (0.84,1.64) 0.3578
 35 and above 797 154 0.38 (0.29,0.50) <.0001 0.28 (0.19,0.41) < 0.0001
Martial status
 Unmarried 207 55 1.00    
 Married/Living together 1418 494 1.48 (1.07,2.05) 0.0194 2.23 (1.54,3.23) < 0.0001
 Divorced/Separated/Widowed 188 61 1.33 (0.86,2.05) 0.2008 2.14 (1.33,3.44) 0.0017
Education
 None/some primary 593 150 1.00    
 Completed primary 977 360 1.72 (1.46,2.18) < .0001 1.67 (1.32,2.13) < .0001
 Secondary+ 270 100 2.11 (1.54,2.89) < .0001 1.95 (1.36,2.80) 0.0003
Number of living children
 < 3 539 203 1.00    
 3+ 1274 407 0.78 (0.63,0.96) 0.0187 1.25 (0.91,1.71) 0.1665
  1. Note: Both unadjusted and adjusted odds ratios shown in this table are estimated using logistic regression. Unadjusted odds ratio are based on separate logistic regressions for each predictor variable with that variable as the only predictor variable. Adjusted odds ratios are based on a single logistic regression consisting
  2. of all the predictor variables in the table. For any given predictor variable in the adjusted column, the set of control variables consists of all the other predictor variables in the table
  3. 42 women reported to currently using contraceptives whereas they were pregnant/breastfeeding
  4. aContains 8 missing observations (but less than 10%)