Table 4.
Additive interaction analysis of BMI and WC for HBP
| Characteristics | Model 1 | Model 2 | Model 3 |
|---|---|---|---|
| OR(95%CI) | OR(95%CI) | OR(95%CI) | |
| Additive interaction models1 | |||
| BMI < 25 and WC < 88/102 | 1.000(ref) | 1.000(ref) | 1.000(ref) |
| BMI ≥ 25 and WC < 88/102 | 1.459 (1.42,1.5) | 1.546 (1.503,1.589) | 1.517 (1.476,1.56) |
| BMI < 25 and WC ≥ 88/102 | 1.377 (1.304,1.453) | 1.286 (1.216,1.36) | 1.301 (1.232,1.375) |
| BMI ≥ 25 and WC ≥ 88/102 | 1.749 (1.699,1.799) | 1.757 (1.705,1.811) | 1.771 (1.719,1.823) |
| Additive interaction models2 | |||
| BMI < 25 and WC < 86/88 | 1.000(ref) | 1.000(ref) | 1.000(ref) |
| BMI ≥ 25 and WC < 86/88 | 1.469 (1.412,1.528) | 1.512 (1.453,1.574) | 1.476 (1.418,1.536) |
| BMI < 25 and WC ≥ 86/88 | 1.215 (1.172,1.26) | 1.214 (1.171,1.259) | 1.230 (1.186,1.275) |
| BMI ≥ 25 and WC ≥ 86/88 | 1.662 (1.62,1.705) | 1.727 (1.683,1.772) | 1.729 (1.685,1.775) |
BMI body mass index, WC waist circumference. Model 1: unadjusted. Model 2: adjusted for sex and age. Model 3 adjusted for Model 2 and marital status, alcohol consumption, smoking, physical activity, place of residence, cancer, stroke, psychotic illness and blood glucose