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Table 3 Study design & baseline characteristics

From: Using an electronic activity monitor system as an intervention modality: A systematic review

Ref # Type of device Intervention group Control group Trial length Subjects
[30] GRUVE (Gruve Solution™ MUVE, Inc., USA) online EAMS normal daily lifestyle patterns 4 weeks N = 33 (IG: n = 18, CG: n = 15)
mean age (yr) IG: 29.0 ± 4.4 CG: 26.4 ± 3.0
weight (kg) IG: 78.3 ± 20.6 CG: 77.7 ± 24.4
[31] ActivPAL baseline period with device-- no feedback, given consultation/education on SB and device, asked to change behavior for 2 weeks (1 week with the device) - 24 days N = 24
mean age (yr) 68 ± 6
baseline BMI(kg/cm2) 26.2 ± 3.7
[32] Bluetooth Actiwatch (developed by research team), Internet, email, and mobile phone system. The system provided feedback and motivation via email and/or text messages, and displayed activity level category wore the EAMS device but did not receive feedback 3 months N = 77 (IG: n = 47, CG: n = 30)
mean age (yr) IG: 40.5 ± 7.1 CG: 40.1 ± 7.7 weight (kg) IG: 75.1 ± 11.7 CG: 73.9 ± 10.2
BMI(kg/cm2) IG: 26.2 ± 2.8 CG: 26.5 ± 4.1
[33] Sense Wear Armband (BodyMedia Fit; BodyMedia, Pittsburgh PA TECH: behavioral lessons via mail, monthly telephone class with counselor, wore device with feedback, TECH + SBWL: behavioral lessons in person monthly (3 group, 1 in person), wore device with feedback standard behavioral weight loss weekly meeting (3 group, 1 individual each month) 6 months N = 51 (SBWL:N = 17, TECH + SBWL:N = 17, TECH:N = 17) mean age (yr) SBWL: 45.1 ± 9.4 SBWL + TECH: 43.3 ± 9.1 TECH: 44.1 ± 8.1weight (kg) TECH: 92.3 ± 12.1 TECH + SBWL: 102.1 ± 17.5 SBWL: 88.6 ± 12.5
BMI(kg/cm2) TECH: 33.4 ± 6.3 TECH + SBWL: 34.7 ± 3.4 SBWL: 88.6 ± 12.5
[34] Sense Wear Pro Armband (BodyMedia, Pittsburgh, PA) INT-TECH: received SBWP, wore device weeks 1,5,9, kept paper diaries during non-tech weeks CON-TECH: received SBWP, wore device for entire trial time SBWP: 7 in-person individualized counseling sessions (weekly in mo. 1, twice in mo. 2, once in mo. 3) 3 months N = 57 (SBWP: N = 19, INT-TECH: N = 19, CON-TECH: N = 19)
mean age (yr) SBWP: 40.2 ± 8.0 INT-TECH: 41.1 ± 8.3 CON-TECH: 42.6 ± 10
weight (kg) SBWP: 89.1 ± 9.0 INT-TECH: 91.0 ± 8.8 CON-TECH: 86.6 ± 9.5
BMI (kg/cm2)SBWP: 33.6 ± 2.7 INT-TECH: 33.4 ± 2.8 CON-TECH: 32.6 ± 2.7
[35] PAM (model AM 200, PAM BV, the Netherlands) received feedback on baseline fitness and leaflet on PA information; PAM device and distance counseling received feedback on baseline fitness and leaflet on PA information 12- months N = 544 (IG: N = 273, CG: N = 271)
mean age IG: 43 ± 10 CG: 44 ± 10
BMI(kg/cm2) IG: 25 ± 4 CG: 25 ± 4
[36] Sense Wear armband (BodyMedia, Inc., Pittsburgh, PA) GWL: 14 sessions over 4 months, 6 telephone counseling sessions over the last 5 months SWA received armband and access to web account. GWL + SWA received both GWL and SWA intervention components received self-directed weight loss manual 9 months N = 197 randomized (CG: N = 50, GWL: N = 49, SWA: N = 49, GWL + SWA: N = 49)
mean age (yr) CG: 47.2 ± 8.9 GWL: 46.8 ± 12.4 SWA: 47.7 ± 11.6 GWL + SWA: 45.7 ± 10.4
weight (kg) CG: 94.2 ± 18.2 GWL: 93.2 ± 18.9 SWA: 92.0 ± 21.0 GWA + SWA: 91.9 ± 15.7
BMI(kg/cm2) CG: 33.7 ± 5.5 GWL: 33.1 ± 4.8 SWA: 33.2 ± 5.4 GWA + SWA: 33.0 ± 5.0
[37] PAM (model AM 101, PAM BV, the Netherlands) PAM and web-based tailored advice single written information brochure with general PA recommendations 8 months (3 mo., 5 mo. follow-up) N = 102 (IG: N = 51, CG: N = 51)
mean age (yr) IG: 32.5 ± 3.4Ɨ CG: 31.2 ± 3.5 weight (kg) IG: 79.0 ± 15.6 CG: 76.5 ± 13.6
BMI(kg/cm2) IG: 25.9 ± 4.5 CG: 24.4 ± 3.5
[38] MTx-W sensor (Xsens Technologies, Enschese, The Netherlands) received activity coach (sensor and smart phone), received feedback for awareness and motivation, also received standard care received standard care: medication and physiotherapy (group physiotherapy) 1 month N = 34 (IG: N = 18, CG: N = 16)
mean age (yr) IG: 65.2 ± 9.2 CG: 67.9 ± 5.7 BMI IG: 28.4 ± 7.8 CG: 29.2 ± 4.7
[39] Fitbit (San Francisco, CA) First 6 months received Fitbit with feedback and received counseling (face to face provided every 2 months). Last 6 months, wore Fitbit with feedback, no counseling First 6 months wore Fitbit but didn't receive feedback or counseling. Last 6 month wore Fitbit with feedback and counseling 12 months N = 49 (IG: N = 25, CG: N = 24)
mean age (yr) IG: 79.1 ± 8.0 CG: 79.8 ± 6.0 weight (kg) IG: 75.7 ± 13.4 CG: 81.0 ± 13.6
[40] Fitbit (San Francisco, CA) given Fitbit activity monitor to wear with feedback wore a Fitbit monitor but blinded to feedback 3 months N = 104 (IG: N = 52, CG: N = 52)
mean age (yr) IG: 29 ± 0.4 CG: 29 ± 0.3
  1. Ɨp < 0.05, significantly different from control
  2. BMI body mass index, CG control group, CON-TECH continuous technology group, EAMS Electronic Activity Monitor System, GWL group weight loss group, GWL + SWA group weight loss plus SenseWear Armband group, IG intervention group, INT-TECH, intermittent technology group, SB sedentary behavior, SBWL standard behavioral weight loss group, SBWP standard behavioral weight control program group, SWA SenseWear armband alone group, TECH technology only group, TECH + SBWL technology plus standard behavioral weight loss group