Table 1 Descriptive characteristics of the participants
From: Association between the 24-hour movement guidelines and executive function among Chinese children
|  | Total (N = 376) | Boys (N = 195) | Girls (N = 181) | P |
|---|---|---|---|---|
Age (years) | 9.17 ± 1.61 | 9.14 ± 1.60 | 9.21 ± 1.62 | 0.667 |
Paternal educational level | Â | Â | Â | 0.426 |
  High school or below | 91 (24.6) | 42 (21.9) | 49 (24.6) |  |
  Junior college | 88 (23.8) | 46 (24.0) | 42 (23.6) |  |
  College or above | 191 (51.6) | 104 (54.2) | 87 (48.9) |  |
Maternal educational level | Â | Â | Â | 0.289 |
  High school or below | 87 (23.5) | 50 (26.0) | 37 (20.8) |  |
  Junior college | 104 (28.1) | 48 (25.0) | 56 (31.5) |  |
  College or above | 179 (48.4) | 94 (49.0) | 85 (47.8) |  |
Household monthly income | Â | Â | Â | 0.989 |
  < 5000, RMB | 92 (24.5) | 47 (24.1) | 45 (24.9) |  |
  5000 ~ 7999, RMB | 86 (22.9) | 45 (23.1) | 41 (22.7) |  |
  8000 ~ 11,999, RMB | 55 (14.6) | 27 (13.8) | 28 (15.5) |  |
  ≥ 12,000, RMB | 76 (20.2) | 40 (20.5) | 36 (19.9) |  |
  No answer | 67 (17.8) | 36 (18.5) | 31 (17.1) |  |
  BMI | 17.33 ± 7.53 | 17.57 ± 3.05 | 17.07 ± 10.40 | 0.529 |
  IQ score | 112.32 ± 16.92 | 111.46 ± 16.90 | 113.22 ± 16.94 | 0.758 |
  LPA (min/day) | 261.88 ± 57.64 | 248.02 ± 54.45 | 274.75 ± 57.67 |  < 0.001 |
  MPA (min/day) | 31.34 ± 11.45 | 36.09 ± 11.10 | 26.21 ± 9.45 |  < 0.001 |
  VPA (min/day) | 10.71 ± 6.81 | 12.96 ± 6.65 | 8.30 ± 6.14 |  < 0.001 |
  MVPA (min/day) | 42.05 ± 16.79 | 49.05 ± 16.22 | 34.51 ± 13.92 |  < 0.001 |
  Screen time (h/day) | 0.99 ± 1.12 | 0.97 ± 1.09 | 1.02 ± 1.17 | 0.669 |
  Sleep time (h/day) | 9.35 ± 0.71 | 9.40 ± 0.75 | 9.30 ± 0.66 | 0.178 |
Number of guidelines met |  |  |  |  < 0.001 |
  Three | 38 (10.1) | 32 (16.4) | 6 (3.3) |  |
  Two out of three | 209 (55.6) | 101 (51.8) | 108 (28.7) |  |
  One out of three | 108 (28.7) | 55 (28.2) | 53 (29.3) |  |
  None | 21 (5.6) | 7 (3.6) | 14 (7.7) |  |