Table 5.

The association between occupational heat stress, overall health, and psychological distress

		Poor overall health		Psychological distress
	Heat stress	OR	95% CI	OR	95% CI
Heat stress (crude estimate)
n=40,913	Not often	1		1
	Often	1.67**	1.50–1.85	2.22**	2.06–2.40
All variables (adjusted)a
n=40,913	Not often	1		1
	Often	1.49**	1.32–1.66	1.84**	1.69–2.00
All variables (adjusted)a
Restricted n=24,907	Not often	1		1
	Often	1.80**	1.51–2.14	2.19**	1.92–2.50
Final models
Final model includes interact termsb
n=40,913	Not often	1		1
	Often	1.55**	1.87–3.38	2.21**	1.89–2.37
Final modelc
Restricted n=24,907	Not often	1		1
	Often	1.81**	1.52–2.15	2.17**	1.90–2.48

^* P<0.05;

^** P<0.001.

^aAdjusted ORs derived from heat stress models that included sex, age, income, education, job location, and complaints (n=40,913) plus job type (n=24,907).

^bFinal model for estimating the association between heat stress and poor overall health includes all statistically significant confounders (sex, age, education, complaints, job location), and the two significant interaction terms (education×heat and complaints× heat). Final model for estimating the association between heat stress and psychological distress includes all statistically significant confounders (sex, age, education, income, complaints, job location) and the one significant interaction term (complaints×heat).

^cFinal model in restricted group (n=24,907) for association between heat stress and both poor overall health and psychological distress includes all statistically significant confounders (sex, age, and job location).