Table 4.

Comparison of work engagement and psychological distress between the groups; stratified by job type.

Frequency of workplace exercise	Model 1a	Model 2b	Model 3c
	OR 95% CI	OR 95% CI	OR 95% CI
Office clerk (n = 520)
Work engagement (odds ratio to high vigor)
Less than once/week	Ref	Ref	Ref
More than once/week	1.59 (1.10–2.30)	1.54 (1.03–2.30)	1.64 (1.08–2.49)
K6 (odds ratio to moderate psychological distress)
Less than once/week	Ref	Ref	Ref
More than once/week	0.91 (0.62–1.33)	0.99 (0.65–1.51)	1.04 (0.67–1.60)
Service or sales (n = 436)
Work engagement (odds ratio to high vigor)
Less than once/week	Ref	Ref	Ref
More than once/week	1.29 (0.73–2.28)	1.63 (0.86–3.07)	1.63 (0.86–3.07)
K6 (odds ratio to moderate psychological distress)
Less than once/week	Ref	Ref	Ref
More than once/week	0.86 (0.47–1.58)	0.78 (0.40–1.54)	0.81 (0.41–1.62)
Administrative and professional (n = 334)
Work engagement (odds ratio to high vigor)
Less than once/week	Ref	Ref	Ref
More than once/week	2.61 (1.58–4.31)	2.03 (1.15–3.60)	2.07 (1.15–3.74)
K6 (odds ratio to moderate psychological distress)
Less than once/week	Ref	Ref	Ref
More than once/week	0.63 (0.34–1.17)	0.82 (0.39–1.73)	0.82 (0.39–1.74)

Bold numbers indicate P < 0.05.

^aAdjusted for age and sex.

^bAdditional adjustment of model-1 for body mass index, educational level, subjective economic status, marital status, daily alcohol consumption, smoking status, subjective sleep quality, job type (except for analysis in the office clerk and service or sales), hiring status, and average overtime hours.

^cAdditional adjustment of model-2 for physical activity and sedentary behavior.