Table 2. Univariate associations between risk factors and number of antibiotic prescriptions (N = 6231)
ModelOdds ratio95% CIP value
Intercept1.371.12 to 1.660.002
Sex,female1.00
Sex,male1.121.05 to 1.19<0.001
Income0.003
  Q5 (highest quintile)1.00
  Q41.070.97 to 1.180.176
  Q31.161.05 to 1.270.003
  Q21.151.05 to 1.270.004
  Q11.191.07 to 1.320.001
Mother’s education level0.071
  University1.00
  12 years / high school1.071.00 to 1.140.060
  9 years / primary school1.140.99 to 1.300.065
Father’s education level0.011
  University1.00
  12 years / high school1.111.03 to 1.190.008
  9 years / primary school1.151.03 to 1.280.010
Parent-reported antibiotics-treated infections in children aged25years<0.001
  01.00
  1–21.211.13 to 1.30<0.001
  3–51.721.56 to 1.89<0.001
  ≥62.231.91 to 2.60<0.001
  • Dependent variable: number of antibiotic prescriptions.