Skip to main content

Table 1 Participant Characteristics based on questionnaire and anthropometry data collected at baseline

From: Total and temporal patterning of physical activity in adolescents and associations with mental wellbeing

 

Overall

Boys

Girls

Number of Participants

1983

979 (49.4%)

1004 (50.6%)

Age in years, mean (SD)

13.75 (0.30)

13.75 (0.31)

13.75 (0.30)

White, n (%)

1723 (86.9%)

841 (85.9%)

882 (87.8%)

Body Fat % (IQR)

20.7 (12.8–28.7)

13.2 (9.9–18.6)

27.2 (21.9–32.8) ***

Average Sleep, mean (SD)

9.34 (1.18)

9.30 (1.22)

9.38 (1.14)

Family Affluence

Low Affluence, n (%)

256 (12.9%)

119 (12.2%)

137 (13.6%)

Medium Affluence, n (%)

843 (42.5%)

391 (39.9%)

452 (45.0%) **

High Affluence, n (%)

884 (44.6%)

469 (47.9%)

415 (41.3%) **

Physical Activity based on ENMO (milli-g)

Mean (Whole Week) (SD)

42.70 (12.56)

46.43 (13.85)

39.06 (9.90) ***

Weekday Schooltime (SD)

45.16 (13.33)

49.13 (14.52)

41.28 (10.73) ***

Weekday Out of School (SD)

30.61 (10.13)

31.86 (11.47)

29.39 (8.45) ***

Weekend (SD)

35.14 (18.14)

37.59 (21.85)

32.75 (13.17) ***

Physical Activity based on MVPA (min)

Mean (Whole Week) (SD)

36.16 (18.53)

42.17 (19.76)

30.30 (15.11) ***

Weekday Schooltime (SD)

13.24 (6.97)

15.47 (7.43)

11.05 (5.71) ***

Weekday After School (SD)

18.63 (12.13)

20.96 (13.37)

16.35 (10.30) ***

Weekend (SD)

28.87 (24.65)

33.74 (29.14)

24.12 (18.09) ***

Mental Wellbeing Score

Baseline, mean (SD)

3.50 (0.66)

3.63 (0.63)

3.38 (0.68)

Mid-Intervention, mean (SD)

3.45 (0.72)

3.59 (0.68)

3.31 (0.73)

  1. Baseline and Mid-Intervention participant wellbeing scores are the mean score of the 14-item Warwick Edinburgh Mental Wellbeing Scale
  2. Hours between 9 AM and 3 PM were classified as schooltime. Hours between 6 AM to 9 AM and 3 PM to 12 AM were classified as out-of-school time
  3. MVPA values are based on the average minutes per time segment
  4. **Significant difference between boys and girls p ≤ 0.001
  5. ***Significant difference between boys and girls p ≤ 0.0001