Table 4.
Comparison of dietary behavior between cases and controls.
| Variables | Controls n (%) | Casesn (%) | OR (95% CI) | Adjusted ORa (95% CI) | P value |
|---|---|---|---|---|---|
| Fresh fruits | |||||
| Never/rarely | 35 (18.13) | 30 (15.54) | Ref | Ref | 0.535 |
| 1–2 times/week | 29 (15.03) | 25 (12.95) | 0.99 (0.48–2.06) | 0.74 (0.33–1.66) | |
| 3–4 times/week | 114 (59.07) | 118 (61.14) | 1.20 (0.69–2.07) | 1.09 (0.60–1.98) | |
| ≥5 times/week | 15 (7.77) | 20 (10.36) | 1.54 (0.68–3.46) | 1.48 (0.61–3.59) | |
| Fresh vegetables | |||||
| <500 g/day | 52 (26.94) | 60 (31.09) | Ref | Ref | 0.446 |
| ≥500 g/day | 141 (73.06) | 133 (68.91) | 0.80 (0.50–1.27) | 0.82 (0.50–1.36) | |
| Green tea drinking | |||||
| Never | 129 (66.84) | 170 (88.08) | Ref | Ref | <0.001 |
| 1–3 cups/month | 7 (3.63) | 16 (8.29) | 1.38 (0.53–3.62) | 1.18 (0.40–3.46) | |
| >3 cups/month | 57 (29.53) | 7 (3.62) | 0.06 (0.02–0.19) | 0.05 (0.01–0.16) | |
| Liquid consumption | |||||
| ≤0.5 L/day | 44 (22.80) | 47 (24.35) | Ref | Ref | 0.815 |
| >0.5 and ≤1.0 L/day | 51 (26.42) | 56 (29.02) | 1.00 (0.58–1.71) | 0.93 (0.52–1.64) | |
| >1.0 and ≤1.5 L/day | 72 (37.31) | 68 (35.23) | 0.88 (0.52–1.50) | 0.83 (0.46–1.49) | |
| >1.5 L/day | 26 (13.47) | 22 (11.40) | 0.79 (0.38–1.63) | 0.71 (0.33–1.53) | |
| Dairy products | |||||
| Never/rarely | 33 (17.10) | 29 (15.03) | Ref | Ref | 0.960 |
| 1–2 times/week | 37 (19.17) | 43 (22.28) | 1.35 (0.68–2.71) | 1.16 (0.55–2.42) | |
| 3–4 times/week | 66 (34.20) | 70 (36.27) | 1.21 (0.67–2.19) | 1.03 (0.54–1.95) | |
| ≥5 times/week | 57 (29.53) | 51 (26.42) | 1.03 (0.55–1.92) | 0.98 (0.50–1.90) | |
| Soy bean products | |||||
| Never/rarely | 23 (11.92) | 22 (11.40) | Ref | Ref | 0.954 |
| 1–2 times/week | 76 (39.38) | 79 (40.93) | 1.08 (0.54–2.17) | 1.01 (0.47–2.17) | |
| 3–4 times/week | 54 (27.98) | 55 (28.50) | 1.07 (0.51–2.24) | 0.98 (0.43–2.21) | |
| ≥5 times/week | 40 (20.73) | 37 (19.17) | 0.97 (0.44–2.13) | 0.86 (0.36–2.01) | |
| Spicy foods | |||||
| Never/rarely | 98 (50.78) | 101 (52.33) | Ref | Ref | 0.964 |
| 1–2 times/month | 26 (13.47) | 23 (11.92) | 0.86 (0.46–1.61) | 0.87 (0.45–1.72) | |
| 3–4 times/month | 37 (19.17) | 41 (21.24) | 1.06 (0.62–1.80) | 0.93 (0.52–1.67) | |
| 2–3 times/week | 21 (10.88) | 19 (9.84) | 0.87 (0.45–1.68) | 0.96 (0.46–2.03) | |
| Almost every day | 11 (5.70) | 9 (4.66) | 0.76 (0.29–2.00) | 0.68 (0.24–1.95) | |
| Fatty foods | |||||
| Never/rarely | 133 (68.91) | 126 (65.28) | Ref | Ref | 0.763 |
| 1–2 times/month | 14 (7.25) | 21 (10.88) | 1.50 (0.76–2.96) | 1.59 (0.75–3.35) | |
| 3–4 times/month | 20 (10.36) | 22 (11.40) | 1.11 (0.60–2.08) | 1.09 (0.55–2.13) | |
| 2–3 times/week | 19 (9.84) | 17 (8.81) | 0.95 (0.48–1.85) | 0.89 (0.43–1.83) | |
| Almost every day | 7 (3.63) | 7 (3.63) | 1.02 (0.35–2.96) | 0.80 (0.25–2.54) |
a
OR: adjusted for body mass index, time since the last menstrual period, marital status, education level, and number of deliveries. OR, odds ratio; CI, confidence interval; Ref, reference.