Table 2

Risk of dropping out by age category (n=794, k=25)

VariableRR95% CIZP value
18–29 vs 30–39 years0.860.61 to 1.22−0.840.399
18–29 vs 40–49 years0.810.56 to 1.17−1.120.264
18–29 vs 50–59 years0.680.44 to 1.07−1.650.098
18–29 vs 60–69 years0.410.17 to 0.97−2.020.043*
18–29 vs 70+ years0.380.09 to 1.60−1.320.186
  • *p < 0.05

  • RR, rate ratio.