Table 2.  Predictors for incident MPS.

	Unit of increase	Univariate	Multivariate
Age (year)	1 year	1.08 (1.03–1.13)*	–
Sex (women)	0 = men 1 = women	0.74 (0.45–1.24)
MMSE score	1 score	0.95 (0.85–1.06)
Exercise habits	0 = absent 1 = present	0.33 (0.17–0.62)*	0.42 (0.21–0.86)*
Tanner questionnaire score	1 score	1.59 (1.33–1.92)*	1.45 (1.19–1.78)*
GDS score	1 score	1.18 (1.07–1.30)*	–
RBDSQ score	1 score	1.21 (1.04–1.40)*	–
PSQI score	1 score	1.14 (1.03–1.26)*	1.19 (1.06–1.35)*
PVH score	1 score	1.51 (1.11–2.05)*	–
DWMH score	1 score	1.80 (1.31–2.47)*	1.62 (1.12–2.34)*

Odds ratio (95% CI) is indicated. *P < 0.05