Table 1 Descritpives of participant demographics (n (%)), and device-derived metrics (mean(SD))
Demographics | Men (n = 1897) | Women (n = 2068) |
Highest qualification | ||
 None | 523 (56.3%) | 406 (43.7%) |
 GCSE | 571 (46.4%) | 660 (53.6%) |
 FE | 252 (40.1%) | 377 (59.9%) |
 HE | 551 (46.9%) | 625 (53.1%) |
Disability | ||
 None | 1701 (49.0%) | 1771 (51.0%) |
 Some extent | 151 (38.9%) | 237 (61.1%) |
 Severely hampered | 44 (42.7%) | 59 (57.3%) |
Self-rated health | ||
 Excellent | 353 (43.4%) | 461 (56.6%) |
 Very good | 743 (47.6%) | 817 (52.4%) |
 Good | 557 (50.6%) | 543 (49.4%) |
 Fair | 211 (51.2%) | 201 (48.8%) |
 Poor | 33 (41.8%) | 46 (58.2%) |
NS-SEC group | ||
 Professional | 1049 (52.6%) | 947 (47.4%) |
 Intermediate | 564 (46.7%) | 643 (53.3%) |
 Routine | 235 (43.5%) | 305 (56.5%) |
BMI | ||
 Normal (18.5 < 25) | 428 (34.8%) | 801 (65.2%) |
 Overweight (25 < 35) | 862 (56.8%) | 656 (43.2%) |
 Obese (30 < 35) | 540 (52.3%) | 493 (47.7%) |
 Morbidly obese (≥ 35) | 27 (25.2%) | 80 (74.8%) |
 Underweight (< 18.5) | 40 (51.3%) | 38 (48.7%) |
Occupational activity | ||
 Sitting | 1029 (47.0%) | 1159 (53.0%) |
 Standing | 190 (30.3%) | 437 (69.7%) |
 Physical work | 510 (52.8%) | 455 (47.2%) |
 Heavy manual | 168 (90.8%) | 17 (9.2%) |
Smoking habits | ||
 Never | 954 (58.6%) | 1082 (41.4%) |
 Past smoker | 612 (47.6%) | 673 (52.4%) |
 Occasional smoker | 93 (51.4%) | 88 (48.6%) |
 Daily smoker | 238 (51.4%) | 225 (48.6%) |
Device-derived metrics | Men (n = 2077) | Women (n = 2387) |
Summary metrics | ||
 Upright events (n) | 50.8 (15.5) | 54.7 (14.8) |
 Stepping events (n) | 194.7 (72.6) | 201.7 (66.8) |
 Upright duration (h) | 6.3 (1.9) | 6.6 (1.9) |
 Standing duration (h) | 4.3 (1.5) | 4.6 (1.5) |
 Stepping duration (h) | 2.0 (0.7) | 2.0 (0.7) |
Pattern metrics | ||
 Upright event burstiness (Bn) | 0.28 (0.10) | 0.31 (0.08) |
 Sedentary event burstiness (Bn) | 0.28 (0.09) | 0.27 (0.08) |
Stepping metrics | ||
 Step count (steps) | 9451 (3670) | 9334 (3483) |
 Step-weighted cadence (steps/min) | 88.8 (9.2) | 90.1 (8.4) |
 Stepping event duration (s) | 32.5 (9.2) | 29.7 (7.5) |
 Step count per stepping event (steps) | 46.1 (17.8) | 42.4 (14.4) |
Composition metrics | ||
 Upright event duration (min) | 8.0 (3.7) | 7.7 (3.8) |
 Stepping proportion (%) | 35.8 (6.4) | 35.5 (5.9) |
 Stepping events per upright event (n) | 9.1 (4.1) | 8.9 (3.6) |
 Step count per upright event (n) | 198.8 (97.5) | 179.6 (79.4) |