Supplementary Table 1 Multivariate logistic models for vegetables, vitamin E, and α-Carotene and bladder cancer risk stratified by smoking status

Never Smokers / Former Smokers / Current Smokers / Pinteraction
Cases / Controls / OR / 95% CI / Cases / Controls / OR / 95% CI / Cases / Controls / OR / 95% CI
Vegetables
Q1 / 49 / 93 / 1.00 / 127 / 147 / 1.00 / 109 / 65 / 1.00
Q2 / 37 / 107 / 0.67 / (0.40, 1.12) / 140 / 162 / 0.99 / (0.71, 1.39) / 76 / 39 / 1.20 / (0.72, 2.00)
Q3 / 40 / 109 / 0.69 / (0.41, 1.16) / 168 / 159 / 1.22 / (0.88, 1.69) / 72 / 37 / 1.20 / (0.72, 2.01)
Q4 / 36 / 116 / 0.57 / (0.34, 0.98) / 132 / 163 / 0.91 / (0.65, 1.28) / 64 / 30 / 1.33 / (0.76, 2.31)
P trend / 0.060 / 0.684 / 0.318 / 0.375
Vitamin E
Q1 / 42 / 79 / 1.00 / 155 / 161 / 1.00 / 135 / 70 / 1.00
Q2 / 43 / 101 / 0.88 / (0.52, 1.48) / 150 / 162 / 0.95 / (0.69, 1.30) / 69 / 43 / 0.84 / (0.52, 1.37)
Q3 / 41 / 122 / 0.62 / (0.36, 1.04) / 112 / 155 / 0.75 / (0.54, 1.04) / 66 / 33 / 1.05 / (0.62, 1.77)
Q4 / 36 / 123 / 0.53 / (0.30, 0.92) / 150 / 153 / 1.00 / (0.73, 1.38) / 51 / 25 / 1.08 / (0.60, 1.93)
P trend / 0.016 / 0.976 / 0.795 / 0.366
α-Carotene
Q1 / 44 / 83 / 1.00 / 130 / 159 / 1.00 / 103 / 65 / 1.00
Q2 / 41 / 100 / 0.79 / (0.46, 1.34) / 155 / 162 / 1.16 / (0.84, 1.61) / 83 / 43 / 1.29 / (0.78, 2.14)
Q3 / 37 / 116 / 0.61 / (0.36, 1.04) / 154 / 151 / 1.21 / (0.87, 1.68) / 81 / 40 / 1.34 / (0.81, 2.21)
Q4 / 40 / 126 / 0.55 / (0.32, 0.94) / 128 / 159 / 0.96 / (0.68, 1.34) / 54 / 23 / 1.57 / (0.86, 2.87)
P trend / 0.032 / 0.538 / 0.148 / 0.222

* Adjusted for gender (female/male), age (0-54, 55-64, 65-74, 75+ years), region (Maine, Vermont, New Hampshire), race (White/other), Hispanic status (yes/no), usual BMI (kg/m2 – continuous), and total energy (kcal/day – continuous)

† P-trends were calculated using the median value for each quartile