Table 1.
General characteristics and outcomes of the sodium reduction program for intervention and control villages obtained at the end of the study period
| Intervention N = 975 | Control N = 928 | |
|---|---|---|
| Demographics | ||
| Age (years) | 55.1 ± 13.8 | 53.9 ± 14.1 |
| Female (%) | 50.7 | 50.2 |
| Formal education (%) | ||
| 0 years | 16.5 | 18.1 |
| 1–6 years | 38.4 | 34.8 |
| 7–9 years | 37.4 | 36.7 |
| >9 years | 7.7 | 10.4 |
| Behaviors | ||
| Current smoker (%) | 32.2 | 29.7 |
| Drink alcohol (%)a | 23.5 | 25.9 |
| Disease history (%) | ||
| Coronary heart disease | 8.6 | 9.3 |
| Stroke | 4.3 | 4.8 |
| Diabetes | 4.2 | 4.3 |
| Hypertension | 26.1 | 28.2 |
| Physical examination | ||
| BMI (kg/m2) | 24.5 ± 3.5 | 24.8 ± 3.5 |
| Outcomes | ||
| Urinary Na (mmol/day) | 236.7 ± 96.6 | 250.5 ± 93.9 |
| Urinary K (mmol/day) | 52.7 ± 25.3 | 45.4 ± 18.9 |
| Urinary Na/K ratio | 5.2 ± 3.1 | 6.1 ± 2.5 |
| SBP (mmHg) | 140.4 ± 21.2 | 141.3 ± 22.1 |
| DBP (mmHg) | 86.0 ± 13.3 | 86.3 ± 13.6 |
SBP systolic blood pressure; DBP diastolic blood pressure; BMI body mass index. aDrink alcohol is defined as having any type of alcohol in the three months prior to survey