TABLE 1. Potential effect modifiers of sodium and potassium excretion (mmol/24h) in adults.
|
|
Sodium |
Potassium |
||||||
|---|---|---|---|---|---|---|---|---|
|
Univariate |
Multivariate^ |
Univariate |
Multivariate^ |
|||||
|
Slope (95% CI) |
P Value |
Slope (95% CI) |
P Value |
Slope (95% CI) |
P Value |
Slope (95% CI) |
P Value |
|
|
Age, mean age |
-0.01 (-0.50-0.48) |
0.96 |
-0.11 (-0.58-0.36) |
0.64 |
0.54 (0.25-0.84) |
0.00*** |
0.38 (0.04-0.72) |
0.02* |
|
Sex (% men) |
0. 32 (0.08-0.57) |
0.00** |
0.44 (0.21-0.67) |
0.00*** |
0.23 (0.04-0.42) |
0.01* |
0.19 (0.04-0.35) |
0.01* |
|
Geographic location (Each country coded as a unit from north to south) |
1.89 (0.56-3.23) |
0.00** |
2.50 (0.84-4.16) |
0.00** |
-1.15 (-2.11- -0.19) |
0.01* |
-0.20 (-1.39-0.97) |
0.72 |
|
Rigor of 24-hour urine collection (not rigorous or not reported as reference) |
-2.14 (-14.70-10.40) |
0.73 |
-1.06 (-11.73-9.61) |
0.84 |
-1.23 (-11.28-8.82) |
0.81 |
-0.15 (-7.78-7.47) |
0.96 |
|
Year of data collection |
0.29 (-0.44-1.03) |
0.43 |
-0.35 (-1.06-0.34) |
0.31 |
-0.15 (-0.67-0.37) |
0.57 |
0.03 (-0.47-0.53) |
0.90 |
|
Income level (high income level countries as reference) |
6.71 (-5.21-18.63) |
0.27 |
-1.87 (-15.28-11.54) |
0.78 |
-10.01 (-15.94- -4.08) |
0.00*** |
-5.43 (-11.66-0.79) |
0.08 |
|
People living with hypertension (%) |
0.16 (-0.00-0.32) |
0.05 |
0.17 (0.01-0.32) |
0.03* |
-0.06 (-0.20-0.08) |
0.41 |
-0.05 (-0.16-0.05) |
0.34 |
Meta-regression analysis using a random effect model. Adjusted for age, sex, geographic location, rigor of 24-hour urine collection, year of data collection, income level and percentage of people living with hypertension.
Significance codes: 0
0.001
0.01
0.05
`.´
Source: Prepared by the authors from the study results.