Table 2.
Characteristics of 1,906 GenSalt dietary intervention participants
| Variables | Mean ± SD or No.(percentage) | Median (Inter-quartile Range) |
|---|---|---|
| Age, years | 38.7 ± 9.6 | 39.0 (33.0, 46.0) |
| Male, No.(%) | 1010 (52.9) | - |
| BMI, kg·m2 | 23.3 ± 3.2 | 22.9 (21.1, 25.2) |
| Baseline BP, mm Hg | ||
| Systolic | 116.9 ± 14.2 | 115.8 (106.4, 127.1) |
| Diastolic | 73.7 ± 10.3 | 73.3 (66.7, 80.7) |
| Mean arterial pressure | 88.1 ± 10.9 | 87.7 (80.0, 95.4) |
| BP during low salt, mm Hg | ||
| Systolic | 111.4 ± 12.2 | 110.0 (102.7, 119.3) |
| Diastolic | 71.0 ± 9.7 | 70.7 (64.2, 77.3) |
| Mean arterial pressure | 84.5 ± 9.7 | 84.1 (77.4, 90.6) |
| BP during high salt, mm Hg | ||
| Systolic | 116.3 ± 13.6 | 114.4 (106.7, 124.6) |
| Diastolic | 72.9 ± 10.3 | 72.4 (66.0, 79.1) |
| Mean arterial pressure | 87.4 ± 10.6 | 86.7 (79.6, 94.3) |
| BP response to low-sodium, mmHg | ||
| Systolic | −5.5 ± 7.0* | −4.4 (−8.9, −1.3) |
| Diastolic | −2.8 ± 5.5* | −2.7 (−5.6, 0.4) |
| Mean arterial pressure | −3.7 ± 5.3* | −3.3 (−6.6, −0.6) |
| BP response to high-sodium, mm Hg | ||
| Systolic | 4.9 ± 6.0* | 4.7 (0.6, 8.2) |
| Diastolic | 1.9 ± 5.4* | 1.8 (−1.6, 5.3) |
| Mean arterial pressure | 2.9 ± 5.0* | 2.7 (−0.4, 5.9) |
Abbreviations: BMI, body mass index; BP: blood pressure.
*
P-value<0.0001 when compared to no BP change during sodium interventions.