Table 3. Age-, smoking-, alcohol-, and rural/urban-stratified adjusted* regression models of salt intake (g/day) with systolic blood pressure and prevalent hypertension.
| Systolic Blood Pressure | Hypertension | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean Salt Intake (g/day) |
Mean (mmHg) |
β | 95% CI | p** | Prevalence | RR | 95% CI | p** | |
| Age*** | |||||||||
| <45 years | 10.0 | 117 | -0.08 | -0.67, 0.50 | 9% | 0.96 | 0.85, 1.10 | ||
| ≥45 years | 9.6 | 124 | 0.15 | -0.52, 0.81 | 0.58 | 18% | 0.97 | 0.89, 1.06 | 0.94 |
| Current smoker**** | |||||||||
| No | 10.3 | 124 | -0.04 | -0.85, 0.77 | 15% | 0.99 | 0.82, 1.20 | ||
| Yes | 10.2 | 123 | -0.30 | -1.26, 0.66 | 0.76 | 16% | 0.97 | 0.85, 1.11 | 0.95 |
| Alcohol consumption**** | |||||||||
| <5 drinks/week | 10.3 | 122 | 0.18 | -0.56, 0.93 | 14% | 1.00 | 0.88, 1.14 | ||
| ≥5 drinks/week | 9.7 | 129 | -0.49 | -1.46, 0.48 | 0.46 | 23% | 1.07 | 0.92, 1.24 | 0.71 |
| Place of residence | |||||||||
| Rural | 10.1 | 118 | -0.41 | -0.99, 0.17 | 10% | 0.92 | 0.82, 1.02 | ||
| Urban | 9.5 | 119 | 0.59 | -0.29, 1.46 | 0.02 | 12% | 1.01 | 0.86, 1.18 | 0.29 |
*Includes adjustment terms for age, sex, height, weight, smoking, total cholesterol, diabetes, and physical inactivity
**p-value for interaction
***Continuous age not included as an adjustment term
****Analyses restricted to men-only