Table 2.
Multivariable-adjusted odds ratios and 95%CI for irritable bowel syndrome across different categories of spicy foods consumption1
|
Consumption of spicy foods (times/wk) |
Ptrend | |||||
| Never | 1-3 | 4-6 | 7-9 | ≥ 10 | ||
| Crude | 1.00 | 1.34 (0.95-1.88) | 1.57 (1.12-2.21) | 1.75 (1.21-2.52) | 2.12 (1.45-3.10) | < 0.001 |
| Model I | 1.00 | 1.35 (0.92-1.97) | 1.48 (1.00-2.18) | 1.58 (1.04-2.39) | 1.99 (1.30-3.06) | < 0.001 |
| Model II | 1.00 | 1.28 (0.87-1.88) | 1.44 (0.98-2.13) | 1.45 (0.95-2.20) | 1.94 (1.26- 2.98) | < 0.001 |
| Model III | 1.00 | 1.21 (0.81-1.80) | 1.35 (0.90-2.01) | 1.35 (0.87-2.07) | 1.92 (1.23-3.01) | < 0.01 |
| Model IV | 1.00 | 1.20 (0.80-1.78) | 1.33 (0.89-1.98) | 1.32 (0.86-2.03) | 1.85 (1.18-2.90) | < 0.01 |
1Model I: Adjusted for age and gender; Model II: Adjusted for age, gender, body mass index (BMI), smoking, dietary supplements and oral contraceptive pill (OCP) use and self-reported diabetes; Model III: Adjusted for age, gender, BMI, smoking, dietary supplements and OCP use, self-reported diabetes, meal regularity, chewing quality, fluid intakes, pattern of tea consumption and dental status; Model IV: Adjusted for all variables in model III and lactose intolerance.