Accelerometer-measured physical activity and its impact on sleep quality in patients suffering from restless legs syndrome

Reimers, A. K.; Heidenreich, V.; Bittermann, H-J; Knapp, G.; Reimers, C. D.

doi:10.1186/s12883-021-02115-w

Table 2 Correlation between steps and sleep quality parameters

From: Accelerometer-measured physical activity and its impact on sleep quality in patients suffering from restless legs syndrome

		Number of interruptions of sleep			Total sleep time			Sleep efficacy			PLMS / h
		N	R	p	N	R	p	N	R	P	N	R	p
Steps 6 AM - 12 noon	All	45	− 0.0040 (95% CI: − 0.1809 – 0.1731)	0.9648	45	− 0.1034 (95% CI: − 0.2754 – 0.0750)	0.2555	45	− 0.0898 (95% CI: − 0.2626 – 0.0887)	0.3241	40	− 0.1958 (95% CI: − 0.3768 – − 0.0003)	0.0496
	Males	12	− 0.1684 (95% CI: − 0.4933 – 0.1977)	0.3682	12	− 0.0915 (95% CI: − 0.4318 – 0.2717)	0.6274	12	− 0.1378 (95% CI: − 0.4692 – 0.2277)	0.4630	8	− 0.1241 (95% CI: − 0.5102 – 0.3036)	0.5768
	Females	33	0.0465 (95% CI: − 0.1566 – 0.2457)	0.6556	33	− 0.1071 (95% CI: − 0.3021 – 0.0966)	0.30266	33	− 0.0751 (95% CI: − 0.2725 – 0.1284)	0.4707	32	− 0.2138 (95% CI: − 0.4129 – 0.0048)	0.0551
Steps 12 noon - 6 PM	All	44	− 0.0928 (95% CI: − 0.2676 – 0.0879)	0.3140	44	0.0550 (95% CI: − 0.1255 – 0.2319)	0.5518	44	0.0593 (95% CI: − 0.1212 – 0.2361)	0.5205	39	0.0004 (95% CI: − 0.1970 – 0.1978)	0.9967
	Males	11	−0.3259 (95% CI: − 0.6185 – 0.0462)	0.0846	11	0.0602 (95% CI: − 0.3133 – 0.4175)	0.7587	11	−0.0854 (95% CI: − 0.4382 – 0.2902)	0.6625	7	− 0.1601 (95% CI: − 0.5449 – 0.2805)	0.4815
	Females	33	−0.0231 (95% CI: − 0.2246 – 0.1804)	0.8258	33	0.0535 (95% CI: −0.1508 – 0.2533)	0.6097	33	0.1005 (95% CI: −0.1043 – 0.2971)	0.3361	32	0.0403 (95% CI: −0.1810 – 0.2578)	0.7232
Steps 6 PM - 11 PM	All	45	−0.1116 (95% CI: − 0.2817 – 0.0653)	0.2158	45	− 0.2221 (95% CI: − 0.3827 – − 0.0483)	0.0126	45	− 0.0876 (95% CI: − 0.2592 – 0.0894)	0.3322	40	− 0.1081 (95% CI: − 0.2905 – 0.0945)	0.3094
	Males	12	0.0386 (95% CI: − 0.3088 – 0.3769)	0.8326	12	− 0.1577 (95% CI: − 0.4753 – 0.1963)	0.3838	12	−0.2096 (95% CI: − 0.5158 – 0.1441)	0.2439	8	− 0.2120 (95% CI: − 0.5669 – 0.2093)	0.3239
	Females	33	−0.1599 (95% CI: − 0.3501 – 0.0431)	0.1221	33	−0.2427 (95% CI: − 0.4235 – − 0.0432)	0.0176	33	− 0.0470 (95% CI: − 0.2462 – 0.1560)	0.6518	32	− 0.0716 (95% CI: − 0.2855 – 0.1491)	0.5265
Steps 6 AM - 11 PM	All	44	− 0.1411 (95% CI: − 0.3124 – 0.0391)	0.1245	44	− 0.0659 (95% CI: − 0.2423 – 0.1147)	0.4752	44	− 0.0284 (95% CI: − 0.2066 – 0.1516)	0.7587	39	− 0.1516 (95% CI: − 0.3389 – 0.0472)	0.1343
	Males	11	− 0.0322 (95% CI: − 0.6156 – 0.0509)	0.0891	11	0.0299 (95% CI: − 0.3403 – 0.3921)	0.8787	11	−0.1097 (95% CI: − 0.4578 – 0.2676)	0.5745	7	− 0.1989 (95% CI: − 0.5725 – 0.2431)	0.3795
	Females	33	−0.0871 (95% CI: − 0.2847 – 0.1176)	0.4048	33	− 0.0932 (95% CI: − 0.2903 – 0.1116)	0.3728	33	− 0.0051 (95% CI: − 0.2075 – 0.1978)	0.9615	32	− 0.1398 (95% CI: − 0.3489 – 0.0824)	0.2168

Note: significant correlations are shown in bold

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