Impact of Physical Activity on Cognitive Decline, Dementia, and Its Subtypes: Meta-Analysis of Prospective Studies

Table 1

Posterior summaries of the odds ratio, publication bias, heterogeneity, posterior probabilities, and estimated number of studies of physical activity on dementia with different sensitivity analysis.

Model	OR				PS	ENS		f-up
HPA	0.79	0.07	0.55	0.05	32	52	46909	260.7
	(0.69, 0.88)	(−0.94, 0.96)		(0.01, 0.13)		(33.68, 63.8)
MPA	0.76	0.13	0.59	0.06	15	20	20771	104.6
	(0.61, 0.94)	(−0.90, 0.97)		(0.00, 0.22)		(16.91, 28.35)
HPAm	0.77	0.10	0.58	0.03	27	47	41225	255.6
	(0.68, 0.86)	(−0.93, 0.96)		(0.00, 0.09)		(28.73, 61.5)
HPAf	0.78	0.02	0.51	0.07	20	24	35866	211.6
	(0.64, 0.91)	(−0.93, 0.95)		(0.01, 0.21)		(21.57, 30.23)
	0.80	0.02	0.52	0.08	19	23	27384	216.7
	(0.66, 0.94)	(−0.95, 0.96)		(0.01, 0.22)		(20.33, 30.32)
	0.78	−0.05	0.46	0.06	13	17	19525	50
	(0.61, 0.92)	(−0.94, 0.91)		(0.00, 0.26)		(11.35, 23.33)
	0.79	0.04	0.52	0.06	17	21	37374	168.7
	(0.65, 0.93)	(−0.94, 0.96)		(0.01, 0.19)		(20.41, 27.45)
	0.78	0.03	0.53	0.09	15	20	9535	108
	(0.61, 0.95)	(−0.94, 0.94)		(0.00, 0.30)		(17.02, 25.62)
	0.74	0.06	0.55	0.03	24	33	30980	157.7
	(0.63, 0.83)	(−0.92, 0.94)		(0.00, 0.13)		(25.49, 37.77)
	0.94	−0.03	0.48	0.07	8	12	15929	103
	(0.72, 1.17)	(−0.94, 0.94)		(0.00, 0.04)		(9.31, 17.19)

OR = odds ratio, = between-study variance, = publication bias, = posterior probability of publication bias, PS = number of published studies, ENS = estimated number of studies, HPA = high physical activity, MPA = moderate physical activity, m = males, f = females, = total sample size, and f-up = total follow-up time.