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Table 6 Multivariate logistic regression of factors associated with women at risk for unintended pregnancy

From: Contraception matters: indicators of poor usage of contraception in sexually active women attending family planning clinics in Victoria, Australia

  Adjusted odds ratio*
Explanatory variable Estimate Confidence interval pvalue
Age <25 years old 1.8 1.2, 2.7 0.003
Not completed University or Postgraduate 1.7 1.2, 2.4 0.005
More than 1 partner 3.2 2.3, 4.6 <0.0001
Not using more than 1 contraception 1.2 1.1, 1.3 <0.0001
Dissatisfied with contraception 2.5 1.8, 3.5 <0.0001
Not confident in contraceptive knowledge 2.6 1.5, 4.8 0.001
Cannot stop herself to use contraception 2.1 1.5, 2.9 <0.0001
Feels vulnerable to pregnancy 2.1 1.6, 3.0 <0.0001
Comfortable with discussing contraception with doctor 2.3 1.1, 4.1 0.024
   Hosmer Lemeshow test, x 2 (8) =8.906, p = 0.350
  1. *Adjusted for variables in bold in Table 1.