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Table 1 Demographic, health, physical characteristics and physical activity at baseline

From: Measuring change in trials of physical activity interventions: a comparison of self-report questionnaire and accelerometry within the PACE-UP trial

  All groups (N = 833) Control (N = 279) Postal (N = 270) Nurse (N = 284)
n (%) n (%) n (%) n (%)
Age at randomisation
 45–54 years 280 (34%) 87 (31%) 94 (35%) 99 (35%)
 55–64 years 315 (38%) 111 (40%) 98 (36%) 106 (37%)
 65–75 years 238 (29%) 81 (29%) 78 (29%) 79 (28%)
Sex: Male 304 (36%) 98 (35%) 104 (39%) 102 (36%)
Ethnicity
 White 654 (81%) 212 (79%) 222 (85%) 220 (80%)
 Black / African / Caribbean / Black British 77 (10%) 25 (9%) 21 (8%) 31 (11%)
 Asian / Asian British 54 (7%) 21 (8%) 14 (5%) 19 (7%)
 Other, incl mixed 19 (2%) 10 (4%) 4 (2%) 5 (2%)
General health: Very good or good 679 (83%) 223 (81%) 230 (88%) 226 (82%)
Chronic diseases
 None 321 (39%) 109 (39%) 112 (42%) 100 (36%)
 1–2 436 (53%) 153 (55%) 133 (50%) 150 (54%)
  ≥ 3 61 (7%) 14 (5%) 20 (8%) 27 (10%)
Self-reported pain: Yes 566 (69%) 185 (67%) 191 (72%) 190 (69%)
Limiting long-standing illness 174 (21%) 60 (22%) 55 (21%) 59 (21%)
Townsend Disability score
 None (0) 491 (60%) 159 (58%) 158 (59%) 174 (62%)
 Slight or some disability (1–6) 305 (37%) 103 (37%) 104 (39%) 98 (35%)
 Appreciable or severe disability (7–18) 24 (3%) 13 (5%) 4 (2%) 7 (3%)
Physical characteristics
 Overweight/obese: BMI ≥ 25 kg/m2 544 (65%) 184 (66%) 173 (64%) 187 (66%)
  Mean (sd) Mean (sd) Mean (sd) Mean (sd)
 Fat mass (kg) 26 (11) 26 (10) 26 (11) 26 (11)
Accelerometry data
 Adjusted baseline step count per day 7550 (2670) 7528 (2685) 7480 (2583) 7638 (2744)
 Total weekly mins MVPA in ≥10 min bouts 98 (103) 91 (100) 97 (94) 106 (113)
 Total weekly mins MVPA 317 (151) 316 (152) 311 (145) 322 (154)
 Daily wear time (mins) 792 (79) 791 (73) 789 (79) 796 (84)
International Physical Activity Questionnaire (IPAQ)
 IPAQ-MVPA: Weekly mins of moderate PA + vigorous PA in ≥10 min bouts 174 (279) 194 (310) 159 (266) 167 (259)
 IPAQ-Walk: Weekly mins of walking in ≥10 min bouts 315 (310) 323 (327) 316 (326) 307 (275)
 IPAQ-Total: Weekly mins of moderate PA + vigorous PA + walking in ≥10 min bouts 489 (453) 518 (501) 475 (457) 474 (395)
  n (%) n (%) n (%) n (%)
Proportions of “active” individualsa
 Accelerometry
  150 weekly mins MVPA in ≥10 min bouts 190 (23%) 57 (21%) 58 (22%) 75 (27%)
 International Physical Activity Questionnaire (IPAQ)
  150 weekly mins of IPAQ-MVPA 286 (35%) 99 (36%) 86 (32%) 101 (36%)
  150 weekly mins of IPAQ-Walk 540 (66%) 176 (64%) 173 (65%) 191 (68%)
  150 weekly mins of IPAQ-Total 690 (84%) 227 (82%) 226 (85%) 237 (84%)
 General Practice Physical Activity Questionnaire (GPPAQ)
  GPPAQ: “Active” ≥180 mins PA per week 101 (12%) 38 (14%) 33 (12%) 30 (11%)
  GPPAQ-Walk: “Active” ≥180 mins PA per week including walking at brisk/fast pace 229 (28%) 82 (30%) 71 (27%) 76 (27%)
  1. aProportions of “active” individuals are based on 276, 265 and 281 participants in Control, Postal and Nurse groups respectively