Table 2.
Multivariate logistic regression analysis of PEF% predicted and headache
| Variables | Model 1 | Model2 | Model3 | |||
|---|---|---|---|---|---|---|
| OR (95%CI) | P-value | OR (95%CI) | P-value | OR (95%CI) | P-value | |
| PEF% predicted | 0.41(0.34, 0.51) | < 0.001 | 0.64(0.51, 0.79) | < 0.001 | 0.76 (0.60, 0.95) | 0.018 |
| PEF% predicted quartile | ||||||
| Q1 (< 66.0%) | 1 (Ref) | 1 (Ref) | 1 (Ref) | |||
| Q2 (66.0%–84.1%) | 0.84 (0.73, 0.97) | 0.017 | 0.98 (0.84, 1.13) | 0.766 | 1.01 (0.86, 1.18) | 0.916 |
| Q3 (84.2%–101.5%) | 0.67(0.58, 0.78) | < 0.001 | 0.83 (0.71, 0.97) | 0.020 | 0.90 (0.77, 1.07) | 0.227 |
| Q4 (≥ 101.6%) | 0.57 (0.49, 0.66) | < 0.001 | 0.73 (0.62, 0.86) | < 0.001 | 0.81 (0.68, 0.96) | 0.016 |
| Trend.test | 0.83 (0.79, 0.87) | < 0.001 | 0.90 (0.85, 0.94) | < 0.001 | 0.93 (0.88, 0.98) | 0.009 |
Model 1 adjusted for age, gender
Model 2 adjusted for age, gender, education, residence, marital status, BMI, smoking status, drinking status, sleep duration, medicine
Model 3 adjusted for age, gender, education, residence, marital status, BMI, smoking status, drinking status, sleep duration, medicine, hypertension, diabetes heart attack, stroke, kidney disease, depression