Table 2.
Adjusted odds ratios (OR) and 95% confidence intervals (CI) for tertile categories of mineral and vitamin intake and bladder cancer status
| Tertile of daily intake | 1st (lowest) | 2nd | 3rd (highest) | p-trend |
|---|---|---|---|---|
| Sodium (mg/day) | 1313.7–3164.5 | 3164.6–4248.2 | ≥4248.3 | |
| Case/control | 64/125 | 70/126 | 62/125 | |
| OR (95% CI) | 1.0 (reference) | 1.36 (0.82–2.24) | 1.37 (0.74–2.55) | 0.29 |
| Potassium (mg/day) | 1872.3–4218.2 | 4218.3–5533.5 | ≥5533.6 | |
| Case/control | 70/124 | 64/127 | 62/125 | |
| OR (95 CI) | 1.0 (reference) | 0.80 (0.49–1.31) | 1.02 (0.57–1.85) | 0.99 |
| Calcium (mg/day) | 349.9–873.5 | 873.6–1252.1 | ≥1252.2 | |
| Case/Control | 65/125 | 71/127 | 59/125 | |
| OR (95 CI) | 1.0 (reference) | 1.32 (0.81–2.15) | 1.77 (1.00–3.15) | 0.049 |
| Magnesium (mg/day) | 125.3–370.4 | 370.5–482.5 | ≥482.6 | |
| Case/control | 74/125 | 63/127 | 60/125 | |
| OR (95 CI) | 1.0 (reference) | 0.99 (0.60–1.63) | 1.00 (0.54–1.83) | 0.99 |
| Phosphorus (mg/day) | 799.8–1542.9 | 1543.0–2087.1 | ≥2087.2 | |
| Case/control | 57/125 | 72/126 | 65/125 | |
| OR (95 CI) | 1.0 (reference) | 1.73 (1.03–2.92) | 1.82 (0.95–3.49) | 0.06 |
| Zinc (mg/day) | 4.7–11.1 | 11.2–15.5 | ≥15.6 | |
| Case/control | 61/125 | 69/125 | 68/126 | |
| OR (95 CI) | 1.0 (reference) | 1.53 (0.91–2.55) | 1.55 (0.83–2.91) | 0.16 |
| Copper (mg/day) | 0.6–1.8 | 1.9–2.7 | ≥2.8 | |
| Case/control | 84/125 | 61/125 | 52/126 | |
| OR (95 CI) | 1.0 (reference) | 0.81 (0.50–1.32) | 0.68 (0.38–1.21) | 0.19 |
| Iron (mg/day) | 6.5–16.9 | 17.0–22.7 | ≥22.8 | |
| Case/control | 60/125 | 60/126 | 77/126 | |
| OR (95 CI)* | 1.0 (reference) | 1.01 (0.60–1.69) | 1.64 (0.89–3.01) | 0.11 |
| Vitamin D (μg/day) | 0.2–2.0 | 2.1–3.7 | ≥3.8 | |
| Case/control | 68/125 | 58/125 | 72/126 | |
| OR (95 CI) | 1.0 (reference) | 0.76 (0.47–1.24) | 1.03 (0.62–1.72) | 0.93 |
|
Thiamin (mg/day) B1 |
0.7–1.3 | 1.4–1.7 | ≥1.8 | |
| Case/control | 63/124 | 71/127 | 58/125 | |
| OR (95 CI) | 1.0 (reference) | 1.18 (0.71–1.94) | 1.07 (0.58–1.99) | 0.79 |
|
Riboflavin (mg/day) B2 |
0.7–1.5 | 1.6–2.1 | ≥2.2 | |
| Case/control | 66/125 | 73/127 | 57/125 | |
| OR (95 CI) | 1.0 (reference) | 1.56 (0.95–2.56) | 1.35 (0.73–2.49) | 0.28 |
Adjusted for age, sex, smoking status, number of cigarettes smoked per day, number of years of cigarette smoking and exposure to occupational carcinogens (exposure to PAHs and aromatic amines) and energy intake (kcal/day)