Table 3.

Dementia-related mortality by level of leisure-time physical activity, stratified by psychological distress.

	n	DRM cases	Model 1a HR (95% CI)	Model 2b HR (95% CI)	Model 3c HR (95% CI)
Total	36,945	919
No psychological distress	33,379	830
Inactive	2,462	87	1.00	1.00	1.00
Low intensity leisure-time PA	16,470	490	0.75 (0.60–0.95)	0.80 (0.64–1.01)	0.77 (0.61–0.97)
High intensity leisure-time PA	14,447	253	0.60 (0.47–0.77)	0.67 (0.52–0.86)	0.65 (0.51–0.84)
Psychological distress	2,647	89
Inactive	368	27	1.00	1.00	1.00
Low intensity leisure-time PA	1,406	46	0.54 (0.33–0.87)	0.60 (0.37–0.98)	0.57 (0.35–0.94)
High intensity leisure-time PA	873	16	0.42 (0.22–0.80)	0.46 (0.24–0.89)	0.42 (0.22–0.82)

DRM, dementia-related mortality; HR, hazard ratio; 95% CI, 95% confidence interval; PA, physical activity.

^aAdjusted for sex.

^bAdjusted for sex, education, and smoking.

^cAdjusted for sex, education, smoking, diabetes, BMI, and hypertension.