Table 4 Hazard ratios (95% confidence interval) of UTI in different dietary and sex groups with different adjusted models by Cox regression.

From: The risk of urinary tract infection in vegetarians and non-vegetarians: a prospective study

 Vegetarians (n = 3257)Non-vegetarians (n = 6467)
AllMaleFemaleAllMaleFemale
UTI cases2172918844491353
Person-years29260820421057578822435633526
Crude0.97 (0.82–1.14)0.95 (0.62–1.44)0.85 (0.71–1.01)1 (Reference)
Model 1a0.82 (0.70–0.97)0.93 (0.61–1.41)0.81 (0.68–0.97)
Model 2b0.82 (0.70–0.97)0.94 (0.62–1.42)0.81 (0.68–0.97)
Model 3c0.84 (0.71–0.98)0.98 (0.64–1.48)0.82 (0.69–0.98)
Model 4d0.84 (0.71–0.99)0.98 (0.64–1.49)0.82 (0.69–0.99)
  1. aModel 1: adjusted for age and/or sex.
  2. bModel 2: additional adjustment for educational level and lifestyle (smoking and alcohol-drinking).
  3. cModel 3: additional adjustment for hypertension, diabetes, and hyperlipidemia.
  4. dModel 4: additional adjustment for disease conditions predisposing to UTI.