Table 2.

Summary of multivariable linear regression models examining risk/protective factors associated with maximum T_c.

	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)	0.02 (-0.01, 0.05)	0.25	0.00 (-0.03, 0.04)	0.82	-0.02 (-0.06, 0.01)	0.22
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)	0.06 (-0.02, 0.14)	0.14	0.16 (0.06, 0.27)	0.002	0.15 (0.04, 0.26)	0.01
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)	-0.03 (-0.01, 0.00)	0.07	-0.02 (-0.06, 0.02)	0.24	0.00 (-0.04, 0.04)	0.93
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)	0.23 (0.11, 0.34)	0.0002	0.20 (0.09, 0.31)	0.001
eGFR 60–90 ml/min/1.73 m2 (vs > 90)	0.14 (0.01, 0.27)	0.03	0.11 (-0.01, 0.22)	0.07
a – Adjusted for industry/company, job task, and age.

WBGT wet bulb globe temperature, VM vector magnitude, cpm=counts per minute, L/hr liters per hour.