highly significantP <.001
WBGT max as a fixed effect was highly significant (2-tailed t test, t 22,849 =12.73; P <.001).
WBGT max as a fixed effect was highly significant (2-tailed t test, t 22,849 =12.73; P <.001).
Weekends failed to reach statistical significance ( P <.05) as a covariate.