Table 4.
Weighted Mean Salt Intake (g/day; 95% CI) Estimated From 24‐Hour Urine Samples for Population Subgroups in Delhi and Haryana and Andhra Pradesh
| Delhi and Haryana | P Valuea | Andhra Pradesh | P Valuea | |
|---|---|---|---|---|
| Male | 9.39 (8.24–10.54) | 0.0007 | 9.97 (9.21–10.74) | 0.0318 |
| Female | 7.69 (6.54–8.84) | 8.87 (8.25–9.50) | ||
| Site | ||||
| Slum | 8.96 (7.66–10.26) | 0.0033 | 10.39 (9.11–11.67) | 0.1213 |
| Urban | 6.83 (6.14–7.52) | 8.56 (7.49–9.63) | ||
| Rural | 8.59 (7.32–9.86) | 9.15 (8.73–9.57) | ||
| Age, y | ||||
| 20–39 | 8.65 (7.41–9.89) | 0.0096 | 9.68 (8.90–10.46) | 0.1615 |
| 40–59 | 8.95 (7.38–10.52) | 9.19 (8.39–9.99) | ||
| ≥60 | 7.52 (6.05–8.98) | 8.73 (7.73–9.73) | ||
| Highest level of education | ||||
| Primary school | 8.57 (7.12–10.03) | 0.4102 | 9.35 (8.58–10.12) | 0.9450 |
| Secondary school | 8.99 (7.83–10.14) | 9.66 (8.23–11.09) | ||
| Above secondary school | 8.16 (7.03–9.28) | 9.48 (8.01–10.96) | ||
| Employment status | ||||
| Employed/domestic duties | 9.63 (8.42–10.83) | 0.0151 | 9.72 (9.21–10.23) | 0.0715 |
| Unemployed/student | 7.66 (6.57–8.75) | 8.90 (8.07–9.74) | ||
| BMI, kg/m2 | ||||
| <25 | 8.71 (7.55–9.87) | 0.7330 | 8.79 (8.38–9.20) | 0.0123 |
| 25 to <30 | 8.67 (7.49–9.86) | 10.30 (9.28–11.32) | ||
| ≥30 | 7.99 (6.35–9.64) | 10.99 (9.31–12.67) | ||
| Blood pressure | ||||
| SBP ≥140 or DBP ≥90 | 8.80 (7.48–10.12) | 0.6634 | 9.47 (7.97–10.97) | 0.9797 |
| SBP <140 and DBP <90 | 8.51 (7.60–9.43) | 9.45 (8.95–9.95) | ||
| Tobacco use | ||||
| Never | 8.32 (7.39–9.24) | 0.5797 | 9.32 (8.71–9.93) | 0.7057 |
| Not daily | 8.70 (7.70–9.70) | 10.15 (8.13–12.17) | ||
| Daily | 9.18 (7.63–10.73) | 9.58 (8.44–10.72) | ||
| Stroke | ||||
| Yes | 7.59 (4.18–11.01) | 0.5341 | 7.46 (2.96–11.95) | 0.3609 |
| No | 8.60 (7.74–9.46) | 9.46 (8.97–9.96) | ||
| Type 2 diabetes mellitus | ||||
| Yes | 8.91 (7.02–10.80) | 0.7316 | 11.17 (9.36–12.97) | 0.0940 |
| No | 8.58 (7.69–9.47) | 9.33 (8.75–9.92) | ||
| Chronic kidney disease | ||||
| Yes | 5.92 (5.50–6.34) | <0.0001 | 8.74 (6.11–11.36) | 0.5725 |
| No | 8.60 (7.73–9.47) | 9.48 (8.97–9.98) | ||
BMI indicates body mass index; DBP, diastolic blood pressure; SBP, systolic blood pressure.
a
P homogeneity across subgroups.