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Table 2 Demographic and baseline characteristics

From: Assessing the feasibility of evaluating and delivering a physical activity intervention for pre-school children: a pilot randomised controlled trial

Characteristic As randomised As analysed
Intervention (n = 83) Control (n = 81) Total (n = 164) Intervention (n = 29) Control (n = 35) Total (n = 64)
Age years, mean (SD)       
 Child 2.7 (0.7) 2.9 (0.7) 2.8 (0.7) 2.8 (0.7) 2.8 (0.8) 2.8 (0.8)
 Parent 29.4 (5.3) 31.7 (5.6) 30.6 (5.6) 30.9 (5.9) 33.2 (5.4) 32.2 (5.7)
Sex, n (%)       
 Child       
  Female 43 (52.4) 42 (52.5) 85 (52.5) 14 (50.0) 17 (50.0) 31 (50.0)
  Male 39 (47.6) 38 (47.5) 77 (47.5) 14 (50.0) 17 (50.0) 31 (50.0)
 Parent       
  Mother 80 (96.4) 77 (95.1) 157 (95.7) 28 (96.6) 32 (91.4) 60 (93.8)
  Father 3 (3.6) 4 (4.9) 7 (4.3) 1 (3.5) 3 (8.6) 4 (6.3)
Ethnicity, n (%)       
 Child       
  White 35 (42.7) 25 (30.9) 60 (36.8) 9 (31.3) 9 (25.7) 18 (28.1)
  South Asian 43 (52.4) 50 (61.7) 93 (57.1) 19 (65.5) 25 (71.4) 44 (68.8)
  Othera 4 (4.9) 6 (7.4) 10 (6.1) 1 (3.5) 1 (2.9) 2 (3.1)
 Parent       
  White 34 (44.2) 28 (43.1) 62 (43.7) 9 (33.3) 9 (33.3) 18 (33.3)
  South Asian 41 (53.3) 36 (55.4) 77 (54.2) 17 (63.0) 18 (66.7) 35 (64.8)
  Othera 2 (2.6) 1 (1.5) 3 (2.1) 1 (3.7) 0 (0.0) 1 (1.9)
Physical activity n = 55 n = 58 n = 113 n = 29 n = 35 n = 64
 Minutes spent in MVPA/day, mean (SD) 64.2 (26.3) 62.0 (22.9) 63.1 (24.5) 65.6 (26.7) 61.9 (23.7) 63.6 (25.0)
 Minutes spent in light activity/day, mean (SD) 212.8 (44.1) 212.6 (40.2) 212.7 (41.9) 224.1 (41.6) 219.2 (36.8) 221.4 (38.8)
 Minutes spent sedentary/day, mean (SD) 317.7 (89.1) 287.4 (64.8) 302.2 (78.7) 342.8 (89.3) 296.8 (61.5) 317.7 (78.3)
 Minutes of total PA/day, mean (SD) 277.0 (60.2) 274.6 (56.0) 275.8 (57.8) 289.7 (57.2) 281.1 (53.1) 285.0 (54.7)
 Percentage of children ≥180 min/day (%) 53/55 (96.4) 55/58 (94.8) 108/113 (95.6) 29/29 (100.0) 33/35 (94.3) 62/64 (96.9)
Anthropometry       
 Height in centimetres, mean (SD) n = 72 n = 73 n = 145 n = 26 n = 30 n = 56
92.4 (7.3) 93.1 (6.9) 92.8 (7.1) 93.5 (8.2) 92.8 (7.8) 93.1 (7.9)
 Weight in kilograms, mean (SD) n = 74 n = 77 n = 151 n = 28 n = 34 n = 62
14.1 (2.5) 14.3 (2.3) 14.2 (2.4) 14.4 (2.6) 14.3 (2.6) 14.3 (2.6)
 Abdominal circumference in centimetres, mean (SD) n = 60 n = 66 n = 126 n = 22 n = 27 n = 49
50.0 (3.8) 50.2 (3.9) 50.0 (3.8) 49.6 (3.4) 50.6 (4.3) 50.1 (3.9)
 Arm circumference in centimetres, mean (SD) n = 55 n = 66 n = 121 n = 21 n = 27 n = 48
16.9 (1.8) 17.3 (3.9) 17.1 (3.1) 17.0 (1.8) 18.3 (5.9) 17.7 (4.6)
 BMI z-score, mean (SD) n = 71 n = 73 n = 144 n = 26 n = 30 n = 56
0.6 (1.1) 0.8 (1.1) 0.7 (1.1) 0.5 (1.1) 1.0 (1.1) 0.7 (1.1)
 Overweight, BMI z-score ≥1.04, n (%) n = 71 n = 73 n = 144 n = 26 n = 30 n = 56
24 (33.8) 29 (39.7) 53 (36.8) 8 (30.8) 12 (40.0) 20 (35.7)
Well-being n = 75 n = 72 n = 147 n = 27 n = 30 n = 57
 ComQol-A5 total objective score, mean (SD) 73.2 (8.0) 75.2 (7.1) 74.2 (7.6) 74.7 (7.6) 76.3 (6.9) 75.6 (7.2)
Self-efficacy n = 83 n = 80 n = 163 n = 29 n = 34 n = 63
 General self-efficacy, mean (SD) 30.3 (5.7) 29.1 (5.4) 29.7 (5.6) 30.6 (4.6) 30.0 (5.3) 30.3 (4.9)
  1. Data were missing for child gender (n = 2), child ethnicity (n = 1) and parent ethnicity (n = 22)
  2. aAfrican, Burmese and dual heritage (White, Asian, Chinese and Indian)
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