Table 5 Multivariate analysis using Poisson model with robust/sandwich estimator

Intercept

0.03 (0.01, 0.07)

0.10 (0.06, 0.18)

0.13 (0.09, 0.19)

0.18 (0.12, 0.27)

Parasite/CAA

 Parasite−/CCA−

Reference

Reference

Reference

Reference

 Parasite + /CCA−

1.81 (0.37, 8.81)

1.57 (0.62, 3.93)

0.91 (0.40, 2.09)

1.36 (0.67, 2.76)

 Parasite−/CCA + 

2.66 (0.89, 7.94)

1.57 (0.80, 3.07)

3.11 (2.08, 4.65)

0.76 (0.40, 1.42)

 Parasite + /CCA + 

4.04 (1.37, 11.88)

1.48 (0.70, 3.11)

2.81 (1.78, 4.44)

1.02 (0.56, 1.86)

Gender

 Male

Reference

Reference

Reference

Reference

 Female

0.43 (0.16, 1.19)

0.43 (0.21, 0.84)

0.86 (0.60, 1.23)

0.31 (0.17, 0.56)

Age (years)

 18–25

Reference

Reference

Reference

Reference

 26 + 

0.96 (0.41, 2.25)

0.72 (0.39, 1.34)

0.82 (0.59, 1.15)

0.91 (0.54, 1.51)