Table 3.
Urinary excretion of Na, K, Ca and Mg across different managed aquifer recharge users for intention-to-treat analyses, restricted to participants with complete 24-hour urine samples
| Urinary minerals | Models | Intention-to-treat analyses |
p-value | |
|---|---|---|---|---|
| No managed aquifer recharge water access | Managed aquifer recharge water access [βa (95% CI)] | |||
| (N = 1048) | (N = 1083) | |||
| Urinary Na+ (difference in mean daily excretion in mmol) | Model 1 | Ref. | 10.31 (0.77, 19.84) | 0.034 |
| Model 2 | Ref. | 10.65 (1.44, 19.87) | 0.023 | |
| Model 3 | Ref. | 10.34 (1.11, 19.58) | 0.028 | |
| Urinary K+ (difference in mean daily excretion in mmol) | Model 1 | Ref. | 2.38 (0.28, 4.47) | 0.026 |
| Model 2 | Ref. | 2.47 (0.31, 4.63) | 0.025 | |
| Model 3 | Ref. | 2.37 (0.24, 4.49) | 0.029 | |
| Urinary Ca2+ (ratio of median daily excretion) | Model 1 | Ref. | 1.11 (0.93, 1.34) | 0.239 |
| Model 2 | Ref. | 1.12 (0.93, 1.35) | 0.224 | |
| Model 3 | Ref. | 1.12 (0.95, 1.33) | 0.190 | |
| Urinary Mg2+ (ratio of median daily excretion) | Model 1 | Ref. | 1.05 (0.90, 1.21) | 0.543 |
| Model 2 | Ref. | 1.06 (0.91, 1.23) | 0.437 | |
| Model 3 | Ref. | 1.06 (0.92, 1.23) | 0.412 | |
Model 1: adjusted for visit only; Model 2: adjusted for visit, age, sex and body mass index; Model 3: adjusted for age, sex, body mass index, marital status, physical activity, smoking status, alcohol consumption, hours of sleep, religion, salt intake and wealth quintile.
a
Refers to differences in mean blood pressure (in mmHg) of participants or ratio of medians of 24-hour urinary protein of participants between communities with access to managed aquifer recharge water and without managed aquifer recharge water access.