Table 3.

The Association between Changes in Social Engagement and the Dementia Risk, China, 2002–2011.

References	Changes in SE
	Consistently high SE		Consistently medium SE		Increasing SE		Decreasing SE
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Consistently medium SE	1.12	0.40, 3.12
Increasing SE	0.41*	0.19, 0.87	0.36*	0.16, 0.81
Decreasing SE	0.29***	0.14, 0.60	0.26***	0.12, 0.56	0.72	0.51, 1.00
Consistently low SE	0.14***	0.06, 0.28	0.12***	0.06, 0.26	0.33***	0.23, 0.48	0.47***	0.36, 0.60

Note: Adjusted for Age (years), Female, Rural, Literate, Physical labor, Smoking, Drinking, Exercise, Hypertension, Diabetes, Stroke/Cerebrovascular disease, Cognitive functioning, and ADL disability. (See Table 1 for definitions).

*P < 0.05; **P < 0.01; ***P < 0.001. All P values are 2 sided.

Abbreviations: OR, odds ratio; CI, confidence interval; SE, social engagement.