Table 1 Parameter estimates and inferential statistics for the growth models (N = 155)
Model 1: unconditional lLinear | Estimate | S.E. | Est./S.E. | P-value |
|---|---|---|---|---|
Initial Percent Overweight (POW) with slope (rate of change) | 3.502 | 2.565 | 1.366 | 0.172 |
Means | ||||
Initial POW | 72.096 | 3.723 | 19.365 | 0.000 |
Slope | -0.138 | 0.039 | -3.561 | 0.000 |
Variances | ||||
Initial POW | 1123.825 | 198.105 | 5.673 | 0.000 |
Slope (rate of change) | 0.167 | 0.032 | 5.156 | 0.000 |
Residual variances* | ||||
POW initial | 17.158 | 5.242 | 3.273 | 0.001 |
POW week 12 | 17.158 | 5.242 | 3.273 | 0.001 |
POW week 24 | 17.158 | 5.242 | 3.273 | 0.001 |
Model 2: predictors of rate of change | Estimate | S.E. | Est./S.E. | P-value |
Initial POW | 0.003 | 0.002 | 1.617 | 0.106 |
Age in months | 0.001 | 0.001 | 0.672 | 0.502 |
Facilitator characteristics (time 1) | 0.000 | 0.010 | 0.025 | 0.980 |
Facilitator characteristics (time 2) | 0.064 | 0.019 | 3.433 | 0.001 |
Expert rating (time 1) | -0.064 | 0.046 | -1.391 | 0.164 |
Expert rating (time 2) | -0.082 | 0.051 | -1.615 | 0.106 |
Percent content adherence (time 1) | -0.016 | 0.005 | -2.870 | 0.004 |
Percent content adherence (time 2) | -0.027 | 0.009 | -3.132 | 0.002 |