Table 1 Descriptive measures of sample and analyzed wearing time (Mean ± SD)

Number of participants

23

11

12

Number of recorded days

179

85

94

Number of valid days (> 8 h of waking time)

141

62

79

Number of mean valid days / participant

6.13 (± 1.01)

5.64 (± 0.81)

6.58 (± 1.00)

Total recorded wearing time [s]

11.438.201 (18w 6d 9 h 16 min 41 s)

5.105.611 (8w 3d 2 h 13 min 31 s)

6.332.590 (10w 3d 7 h 3 min 10s)

Total duration of waking wearing time [s]

6.951.254 (11w 3d 10 h 54 min 1 s)

2.916.268 (4w 5d 18 h 4 min 28 s)

4.034.986 (6w 4d 16 h 49 min 46 s)

Mean total duration of waking wearing time / participant [s]

302.228 (± 60.311) (83 h 57 min 8 s)

265.115 (± 50.398) (73 h 38 min 35 s)

336.249 (± 48.227) (93 h 24 min 9 s)

Mean total duration of waking wearing time / participant / valid day [s]

49.114 (± 4334) (13 h 38 min 34 s)

46.847 (± 5152) (13 h 0 min 47 s)

51.191 (± 1895) (14 h 13 min 11 s)

Total duration of waking time in HRR zones ≥50% [s]

276.894 (76 h 54 min 54 s)

83.929 (23 h 18 min 49 s)

192.965 (53 h 36 min 5 s)

Mean total duration of waking time in HRR zones ≥50% per participant [s]

12.039 (± 11.576) (3 h 20 min 39 s)

7.630 (± 4.821) (2 h 7 min 10s)

16.080 (± 14.478) (4 h 28 min 0 s)

Mean total duration of waking time in HRR zones ≥50% / participant per valid day [s]

1912 (± 1626) (31 min 52 s)

1370 (± 843) (22 min 50s)

2408 (± 2020) (40 min 8 s)

Total frequency of bouts in waking time in HRR zones ≥50%

6.074

1.913

4.161

Daily mean total frequency of bouts in waking time in HRR zones ≥50% / participant (± SD)

264 (± 237)

174 (± 100)

347 (± 296)

Daily mean total frequency of bouts in waking time in HRR zones ≥50% / participant / valid day (± SD)

42 (± 34)

31 (± 18)

53 (± 41)

Number of types of PA reported by all participants in HRR zones ≥50%

169

82

112