Table 3 Summary of mixed effects models examining risk/protective factors associated with median % HRmax.
From: Heat stress and heat strain among outdoor workers in El Salvador and Nicaragua
Crude Models | Adjusted Model 1a | Adjusted Model 2b | ||||
|---|---|---|---|---|---|---|
B (95% CI) | p-val | B (95% CI) | p-val | B (95% CI) | p-val | |
Water Consumption Rate (per 0.6 L/h) | 1.6 (1.1, 2.0) | <.0001 | 1.2 (0.65, 1.7) | <.0001 | 0.46 (-0.04, 0.97) | 0.07 |
a – Adjusted for industry/company, job task, shift duration, and consumption of other beverages b – Additionally adjusted for median WBGT, mean metabolic rate, and percent shift VM < 150 cpm | ||||||
Total Electrolyte Solution Consumption (per 1 L) | 1.6 (0.67, 2.6) | 0.001 | 1.4 (0.42, 2.5) | 0.007 | 1.2 (0.34, 2.1) | 0.009 |
a – Adjusted for industry/company, job task, shift duration, and consumption of other beverages b – Additionally adjusted for median WBGT, mean metabolic rate, and percent shift VM < 150 cpm | ||||||
Percent Shift Vector Magnitude < 150 cpm (per 10% increase) | -3.2 (-3.7, -2.7) | <0.0001 | -2.8 (-3.4, -2.2) | <0.0001 | -1.5 (-2.1, -0.85) | <0.0001 |
a – Adjusted for industry/company, job task, and shift duration b – Additionally adjusted for total liquid consumption, median WBGT, and mean metabolic rate | ||||||
eGFR < 60 ml/min/1.73 m2 (vs > 90) | 2.2 (-0.42, 4.9) | 0.10 | 1.7 (-0.40, 3.9) | 0.11 | ||
eGFR 60–90 ml/min/1.73 m2 (vs > 90) | 4.2 (1.5, 6.8) | 0.002 | 2.9 (0.87, 5.0) | 0.005 | ||
a – Adjusted for industry/company, job task, age, and mean metabolic rate. | ||||||
