Table 4 Post-treatment attitudes and behaviour in the intervention and control groups (by social class)
Mean (95% CI) | R2 | Overall treatment effect | Interaction effect | ||||
|---|---|---|---|---|---|---|---|
Intervention group | Control group | Wald F (df1,df 2), p | Wald F (df1,df 2), p | ||||
University education (n=177) | Non university education (n=347) | University education (n=428) | Non university education (n=450) | ||||
Importance (1-5) | |||||||
Diet | 4.15 (4.07, 4.24) | 4.28 (4.21, 4.34) | 4.27 (4.22, 4.33) | 4.26 (4.21, 4.32) | 0.07 | F(1,39)=2.3, p=0.14 | F(1,39)=2.7, p=0.11 |
PA | 4.13 (4.03, 4.23) | 4.24 (4.17, 4.32) | 4.29 (4.23, 4.36) | 4.26 (4.20, 4.33) | 0.07 | F(1, 39)=5.1, p=0.03* | F(1, 39)=3.5, p=0.07 |
Ease (1-5) | |||||||
Diet | 3.91 (3.80, 4.01) | 3.82 (3.74, 3.89) | 3.94 (3.87, 4.01) | 3.74 (3.67, 3.81) | 0.15 | F(1, 39)=0.2, p=0.6 | F(1, 39)=2.0, p=0.17 |
PA | 3.50 (3.36, 3.64) | 3.65 (3.54, 3.75) | 3.54 (3.44, 3.63) | 3.57 (3.48, 3.66) | 0.10 | F(1, 39)=0.08, p=0.78 | F(1, 39)=0.8, p=0.40 |
Intention (1-5) | |||||||
Diet | 4.28 (4.19, 4.38) | 4.27 (4.20, 4.34) | 4.37 (4.30, 4.43) | 4.27 (4.21, 4.34) | 0.03 | F(1, 39)=1.6, p=0.22 | F(1, 39)=0.8, p=0.37 |
PA | 4.12 (4.00, 4.24) | 4.06 (3.97, 4.15) | 4.18 (4.10, 4.26) | 4.01 (3.93, 4.09) | 0.03 | F(1, 39)=0.02, p=0.9 | F(1, 39)=1.2, p=0.28 |
Monitoring (1-5) | |||||||
Diet | 4.10 (3.98, 4.22) | 4.17 (4.09, 4.26) | 4.32 (4.24, 4.39) | 4.16 (4.08, 4.23) | 0.06 | F(1, 39)=2.4, p=0.13 | F(1, 39)=6.7, p=0.01* |
PA | 3.43 (3.26, 3.60) | 3.48 (3.35, 3.61) | 3.56 (3.45, 3.67) | 3.34 (3.23, 3.46) | 0.03 | F(1, 39)=0.0, p=0.98 | F(1, 39)=3.5, p=0.07 |
Modelling (1-4) | |||||||
Diet | 3.60 (3.52, 3.68) | 3.51 (3.45, 3.57) | 3.59 (3.54, 3.64) | 3.54 (3.49, 3.59) | 0.03 | F(1, 39)=0.1, p=0.70 | F(1, 39)=0.5, p=0.48 |
PA | 3.29 (3.19, 3.40) | 3.25 (3.17, 3.33) | 3.29 (3.23, 3.36) | 3.30 (3.23, 3.37) | 0.05 | F(1, 39)=0.3, p=0.57 | F(1, 39)=0.6, p=0.46 |
Behaviour | |||||||
Diet score (1-7) | 4.89 (4.77, 5.01) | 4.70 (4.61, 4.79) | 4.98 (4.90, 5.06) | 4.63 (4.55, 4.71) | 0.18 | F(1, 39)=0.04, p=0.84 | F(1, 39)=3.2, p=0.08 |
PA (d/wk active) | 5.60 (5.40, 5.80) | 5.48 (5.33, 5.63) | 5.48 (5.34, 5.61) | 5.37 (5.24, 5.50) | 0.12 | F(1, 39)=1.8, p=0.19 | F(1, 39)=0.008, p=0.93 |
TV (hrs/day) | 1.73 (1.61, 1.85) | 1.81 (1.72, 1.90) | 1.52 (1.44, 1.60) | 1.80 (1.73, 1.88) | 0.10 | F(1, 39)=3.2, p=0.08 | F(1, 39)=4.2, p=0.046* |