Table 2 Baseline characteristics of the sample
Mean (s.d.) unless stated | Whole sample | Responders only§ | |||
|---|---|---|---|---|---|
Non-Responders (n=2355) | Responders (n=1419) | Group difference | Intervention group (n=532) | Control group (n=887) | |
Child age (years) | 8.25 (1.85) | 8.34 (1.83) | t(3707)=-1.5, p=0.01 | 8.23 (1.86) | 8.42 (1.80) |
Parent age (years) | 37.44 (6.23) | 39.72 (6.01) | t(2979)=-10.9, p<0.001** | 38.99 (6.18) | 40.16 (5.87) |
Parent BMI | 25.14 (4.71) | 24.45 (4.41) | t(3035)=4.3, p<0.001** | 25.12 (4.98) | 24.05 (3.98) |
Child gender, n (%) | |||||
Male | 1189 (50.6) | 717 (50.6) | X2(1)=0.0, p=1.0 | 268 (50.4) | 449 (50.7) |
Female | 1160 (49.4) | 700 (49.4) | 264 (49.6) | 436 (49.3) | |
Ethnicity, n (%) | |||||
White | 1667 (75.7) | 1164 (82.7) | X2(1)=59.1, | 422 (79.8) | 742 (84.4) |
Non-white | 663 (24.3) | 244 (17.3) | p<0.001** | 107 (20.2) | 137 (15.6) |
Parent education, n (%) | |||||
University | 695 (35.2) | 605 (43.2) | X2(1)=62.0, | 177 (33.8) | 428 (48.7) |
Non-university | 1592 (64.8) | 797 (56.8) | p<0.001** | 347 (66.2) | 450 (51.3) |
Importance diet (1-5)+ | 4.50 (0.75) | 4.61 (0.63) | t(3389)=-4.8, p<0.001** | 4.58 (0.68) | 4.63 (0.59) |
Importance activity (1-5)+ | 4.47 (0.71) | 4.56 (0.60) | t(3376)=-3.9, p<0.001** | 4.52 (0.67) | 4.58 (0.55) |
Ease diet (1-5)+ | 3.67 (0.96) | 3.62 (0.97) | t(3709)=1.5, p=0.1 | 3.66 (1.01) | 3.60 (0.95) |
Ease physical (1-5)+ | 3.90 (0.89) | 3.81 (0.92) | t(2856)=3.0, p=0.003** | 3.84 (0.90) | 3.79 (0.93) |
Rating of diet adequacy, n (%) | |||||
Yes | 1426 (63.2) | 956 (67.5) | X2(1)=17.9, p<0.001** | 363 (68.4) | 593 (67.0) |
No | 925 (36.8) | 460 (32.5) | 168 (31.6) | 292 (33.0) | |
Rating of activity adequacy, n (%) | |||||
Yes | 1605 (70.2) | 1040 (73.4) | X2(1)=11.3, | 388 (73.2) | 652 (73.6) |
No | 746 (29.8) | 376 (26.6) | p=0.001** | 142 (26.8) | 234 (26.4) |