Table 5 Subgroup analysis of UTI risks in vegetarians versus non-vegetariansSubgroups.

Sex

0.486

  Male

120

0.98

0.64–1.49

  Female

541

0.82

0.69–0.99

Educational level

0.116

  Elementary school or less

194

0.75

0.56–1.02

  Secondary school

406

0.84

0.68–1.04

  College or higher

61

1.27

0.76–2.13

Smoking

0.029

  Ever

62

1.52

0.87–2.65

  Never

599

0.80

0.67–0.95

Alcohol-drinking

0.540

  Ever

67

1.04

0.60–1.81

  Never

594

0.82

0.69–0.98

Hypertension

0.177

  With

133

1.09

0.76–1.57

  Without

528

0.79

0.66–0.95

Diabetes

0.974

  With

65

0.82

0.47–1.44

  Without

596

0.84

0.71–1.00

Hyperlipidemia

0.955

  With

27

0.75

0.31–1.81

  Without

634

0.84

0.71–1.00

Hyperplasia/tumor of urinary tract

0.290

  With

38

1.11

0.54–2.31

  Without

623

0.83

0.70–0.98

Urolithiasis

0.755

  With

86

0.77

0.48–1.24

  Without

575

0.85

0.71–1.01

Urine retention

0.541

  With

29

0.63

0.28–1.44

  Without

632

0.85

0.72–1.01

Renal failure

0.606

  With

29

0.79

0.32–1.95

  Without

632

0.84

0.71–1.00

Immune dysfunction

0.532

  With

9

0.80

0.08–8.30

  Without

652

0.85

0.72–1.00