Effectiveness of wearable devices as a support strategy for maintaining physical activity after a structured exercise intervention for employees with metabolic syndrome: a randomized controlled trial

Bayerle, Pauline; Kerling, Arno; Kück, Momme; Rolff, Simone; Boeck, Hedwig Theda; Sundermeier, Thorben; Ensslen, Ralf; Tegtbur, Uwe; Lauenstein, Dirk; Böthig, Dietmar; Bara, Christoph; Hanke, Alexander; Terkamp, Christoph; Haverich, Axel; Stiesch, Meike; de Zwaan, Martina; Haufe, Sven; Nachbar, Lars

doi:10.1186/s13102-022-00409-1

BMC Sports Science, Medicine and Rehabilitation

Table 2 Change after 6 months maintenance treatment phase

From: Effectiveness of wearable devices as a support strategy for maintaining physical activity after a structured exercise intervention for employees with metabolic syndrome: a randomized controlled trial

	A		B		C		Time	Time × group
	Visit 2	Visit 3	Visit 2	Visit 3	Visit 2	Visit 3	p-value	p-value	η²
Body weight (kg)	102.8 ± 19.0	103.9 ± 19.4*	99.7 ± 15.9	99.5 ± 16.6	99.8 ± 16.8	100.3 ± 17.8	0.116	0.148	0.03
Body mass index (kg/m²)	32.0 ± 5.4	32.4 ± 5.6*	31.4 ± 4.7	31.4 ± 5.0	31.3 ± 4.5	31.4 ± 4.8	0.122	0.157	0.03
Fat mass (kg)	31.7 ± 13.5	32.9 ± 13.4*	30.5 ± 11.5	30.5 ± 12.7	30.5 ± 12.3	30.6 ± 12.8	0.143	0.299	0.02
Fat-free mass (kg)	71.3 ± 9.7	71.0 ± 10.1	69.1 ± 12.4	69.3 ± 13.0	69.4 ± 10.3	69.7 ± 11.0	0.862	0.652	0.01
Body fat (%)	29.7 ± 8.6	30.7 ± 8.3*	30.2 ± 9.7	30.2 ± 10.3	30.0 ± 8.6	29.8 ± 9.0	0.341	0.110	0.03
Waist circumference (cm)	110.6 ± 12.6	112.0 ± 13.9	107.8 ± 11.9	107.6 ± 12.8	107.5 ± 12.0	109.0 ± 12.5*	0.042	0.176	0.03
Glucose (mg/dl)	111.3 ± 35.8	110.8 ± 30.3	99.1 ± 15.7	99.4 ± 16.5	102.9 ± 17.5	100.7 ± 13.3	0.560	0.745	0.00
Triglyzeride (mg/dl)	180.6 ± 207.8	189.1 ± 218.2	153.3 ± 94.9	140.3 ± 80.5	191.8 ± 140.0	187.7 ± 131.9	0.630	0.341	0.02
HDL (mg/dl)	44.5 ± 8.9	44.7 ± 9.9	47.5 ± 8.6	46.4 ± 10.0	43.5 ± 9.5	43.0 ± 8.7	0.299	0.532	0.01
RR_sys (mmHg)	129.9 ± 10.1	134.1 ± 12.5*	129.5 ± 11.8	129.7 ± 11.0	133.2 ± 11.3	134.8 ± 14.6	0.042	0.256	0.02
RR_dia (mmHg)	83.2 ± 8.7	86.3 ± 9.9*^a	84.7 ± 9.2	82.5 ± 7.1^a	85.5 ± 6.8	86.3 ± 9.1	0.405	0.006	0.08
MetS-z-score	0.75 ± 0.85	0.78 ± 0.93	0.47 ± 0.64	0.42 ± 0.66	0.72 ± 0.71	0.72 ± 0.64	0.862	0.676	0.01
Peak exercise capacity (W)	193.5 ± 35.4	192.1 ± 36.4	197.7 ± 45.9	203.0 ± 51.8*	198.8 ± 32.9	197.9 ± 35.8	0.532	0.164	0.03
Relative exercise capacity (W/kg_BW)	1.93 ± 0.44	1.90 ± 0.45	2.02 ± 0.53	2.08 ± 0.60*	2.02 ± 0.34	2.00 ± 0.36	0.790	0.068	0.04

Subgroup A—wearables and personal consultation, Subgroup B—wearables only, Subgroup C—no technical or personal support
HDL high density lipoprotein; BW body weight
*p < 0.05 visit 2 versus visit 3
^ap < 0.01 post hoc time × group effect A versus B

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ISSN: 2052-1847

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