Single mediator models | Multiple mediator models | |||||
---|---|---|---|---|---|---|
Path a B (95% CI) | Path b OR (95% CI) | Mediated effect (95% CI)2 | Path b OR (95%CI) | Mediated effect (95% CI)2 | Percent Mediated3 | |
Physical activity equipment | ||||||
Attitude | 0.018 (0.012, 0.023) | 2.42 (2.05, 2.87) | 0.024 (0.017, 0.031) | 1.33 (1.10, 1.61) | 0.008 (0.002, 0.013) | 6.6% |
Beliefs about weight gain | 0.039 (0.019, 0.059) | 1.11 (1.06, 1.16) | 0.005 (0.002, 0.008) | 1.07 (1.02, 1.12) | 0.003 (0.001, 0.006) | 2.8% |
Enjoyment | 0.020 (0.012, 0.028) | 2.51 (2.20, 2.87) | 0.031 (0.022, 0.040) | 1.62 (1.39, 1.88) | 0.016 (0.010, 0.023) | 12.8% |
Perceived behavioural control | 0.034 (0.022, 0.046) | 2.14 (1.97, 2.33) | 0.036 (0.026, 0.047) | 1.85 (1.69, 2.01) | 0.029 (0.020, 0.038) | 21.0% |
Total mediated effect | 0.056 (0.045, 0.067) | 33.9% | ||||
Financial support | ||||||
Attitude | 0.042 (0.033, 0.051) | 2.27 (1.91, 2.69) | 0.034 (0.024, 0.044) | 1.30 (1.07, 1.58) | 0.011 (0.003, 0.020) | 2.9% |
Beliefs about weight gain | 0.041 (0.013, 0.069) | 1.11 (1.06, 1.17) | 0.004 (0.001, 0.008) | 1.07 (1.02, 1.13) | 0.003 (0.000, 0.006) | 0.8% |
Enjoyment | 0.079 (0.067, 0.092) | 2.29 (2.00, 2.61) | 0.066 (0.051, 0.080) | 1.50 (1.30, 1.74) | 0.032 (0.020, 0.045) | 8.1% |
Perceived behavioural control | 0.087 (0.069, 0.105) | 2.08 (1.91, 2.26) | 0.064 (0.049, 0.079) | 1.83 (1.67, 2.00) | 0.053 (0.039, 0.066) | 12.5% |
Total mediated effect | 0.099 (0.082, 0.116) | 21.2% | ||||
Logistic support | ||||||
Attitude | 0.036 (0.027, 0.045) | 2.35 (1.98, 2.79) | 0.031 (0.021, 0.041) | 1.34 (1.11, 1.63) | 0.011 (0.003, 0.018) | 3.1% |
Beliefs about weight gain | 0.032 (0.003, 0.060) | 1.12 (1.07, 1.17) | 0.004 (0.000, 0.007) | 1.08 (1.03, 1.13) | 0.002 (0.000, 0.005) | 0.7% |
Enjoyment | 0.070 (0.057, 0.082) | 2.37 (2.07, 2.71) | 0.060 (0.046, 0.074) | 1.53 (1.32, 1.78) | 0.030 (0.018, 0.041) | 8.2% |
Perceived behavioural control | 0.087 (0.070, 0.105) | 2.09 (1.92, 2.27) | 0.064 (0.049, 0.079) | 1.82 (1.66, 1.99) | 0.052 (0.039, 0.065) | 13.5% |
Total mediated effect | 0.092 (0.076, 0.109) | 21.7% | ||||
Emotional support | ||||||
Attitude | 0.035 (0.023, 0.047) | 2.43 (2.05, 2.87) | 0.031 (0.019, 0.043) | 1.35 (1.12, 1.63) | 0.011 (0.003, 0.018) | 3.1 |
Beliefs about weight gain | 0.059 (0.021, 0.096) | 1.11 (1.06, 1.17) | 0.006 (0.001, 0.011) | 1.07 (1.02, 1.12) | 0.004 (0.000, 0.008) | 1.2 |
Enjoyment | 0.062 (0.046, 0.079) | 2.47 (2.16, 2.82) | 0.057 (0.039, 0.074) | 1.59 (1.37, 1.85) | 0.029 (0.017, 0.041) | 8.1 |
Perceived behavioural control | 0.088 (0.064, 0.112) | 2.12 (1.95, 2.30) | 0.066 (0.046, 0.085) | 1.83 (1.67, 2.00) | 0.053 (0.035, 0.070) | 13.9 |
Total mediated effect | 0.096 (0.076, 0.117) | 22.8% | ||||
Reinforcement | ||||||
Attitude | 0.010 (-0.001, 0.020) | 2.57 (2.17, 3.04) | 0.009 (-0.001, 0.019) | - | - | - |
Beliefs about weight gain | 0.016 (-0.018, 0.050) | 1.12 (1.07, 1.18) | 0.002 (-0.002, 0.006) | - | - | - |
Enjoyment | 0.016 (0.001, 0.031) | 2.59 (2.27, 2.96) | 0.015 (0.001, 0.030) | 1.82 (1.58, 2.09) | 0.009 (0.000, 0.019) | 50.3% |
Perceived behavioural control | 0.025 (0.003, 0.047) | 2.19 (2.01, 2.37) | 0.020 (0.003, 0.037) | 1.90 (1.74, 2.07) | 0.016 (0.002, 0.030) | 63.1% |
Total mediated effect | 0.026 (0.009, 0.042) | 73.1% | ||||
Parental modelling (hr/week) | ||||||
Attitude | 0.007 (0.002, 0.011) | 2.55 (2.15, 3.01) | 0.006 (0.002, 0.011) | 1.37 (1.14, 1.66) | 0.002 (0.000, 0.004) | 3.8% |
Beliefs about weight gain | 0.030 (0.015, 0.045) | 1.12 (1.07, 1.17) | 0.003 (0.001, 0.005) | 1.07 (1.02, 1.13) | 0.002 (0.000, 0.004) | 3.8% |
Enjoyment | 0.007 (0.001, 0.013) | 2.58 (2.26, 2.95) | 0.007 (0.001, 0.013) | 1.63 (1.41, 1.89) | 0.004 (0.000, 0.007) | 6.2% |
Perceived behavioural control | 0.021 (0.012, 0.031) | 2.17 (2.00, 2.36) | 0.017 (0.009, 0.024) | 1.85 (1.69, 2.02) | 0.013 (0.007, 0.019) | 19.6% |
Total mediated effect | 0.021 (0.014, 0.028) | 28.0% | ||||
Co-participation | ||||||
Attitude | 0.006 (-0.002, 0.014) | 2.57 (2.18, 3.05) | 0.006 (-0.002, 0.014) | - | - | - |
Beliefs about weight gain | 0.010 (-0.016, 0.037) | 1.12 (1.07, 1.18) | 0.001 (-0.002, 0.004) | - | - | - |
Enjoyment | 0.014 (0.002, 0.026) | 2.60 (2.27, 2.96) | 0.013 (0.002, 0.025) | 1.82 (1.59, 2.09) | 0.008 (0.001, 0.016) | suppressed |
Perceived behavioural control | 0.033 (0.016, 0.050) | 2.19 (2.02, 2.38) | 0.026 (0.012, 0.040) | 1.90 (1.74, 2.07) | 0.021 (0.010, 0.033) | suppressed |
Total mediated effect | 0.030 (0.016, 0.043) | suppressed |