Table 2.
The association of total dietary insoluble fiber with new-onset hypertension
| Dietary insoluble fiber, g/day | N | Cases (rate)a | Crude model | Adjusted modelb | ||
|---|---|---|---|---|---|---|
| HR (95%CI) | P value | HR (95%CI) | P value | |||
| Quartile | ||||||
| Q1 (< 7.1) | 3033 | 973 (53.2) | Ref | Ref | ||
| Q2 (7.1–9.6) | 3032 | 984 (39.4) | 0.72 (0.66, 0.79) | < 0.001 | 0.78 (0.60, 1.01) | 0.062 |
| Q3 (9.6–12.9) | 3033 | 1040 (38.9) | 0.71 (0.65, 0.78) | < 0.001 | 0.62 (0.47, 0.83) | 0.001 |
| Q4 (≥ 12.9) | 3033 | 1255 (50.4) | 0.93 (0.85, 1.01) | 0.074 | 0.61 (0.44, 0.85) | 0.003 |
aIncidence rate was presented as per 1000 person-years
bAdjusted for sex, body mass index, systolic blood pressure, diastolic blood pressure, smoking, alcohol drinking, urban/rural residents, regions, education levels, occupations, diabetes, physical activity levels, dietary intakes of sodium, potassium, protein, fat, and carbohydrate