TABLE 3.
Multilevel Model of Fixed and Random Effects for the Proportion of Engagement During Feeding Episodes
Unconditional Model (N = 114) |
Dyad Model (N = 114) |
Episode Model (N = 114) |
||||
---|---|---|---|---|---|---|
Estimate | (SE) | Estimate | (SE) | Estimate | (SE) | |
Fixed effects | ||||||
Constant | 0.573 | (0.043)* | −2.088 | (1.851) | −1.552 | (1.607) |
Dyad variables | ||||||
WM | 0.073 | (0.032)* | 0.044 | (0.028) | ||
BW | 0.000 | (0.000) | 0.000 | (0.000) | ||
PCA | 0.017 | (0.028) | −0.001 | (0.025) | ||
BASEO2 | 0.018 | (0.018) | −0.012 | (0.017) | ||
Episode variables | ||||||
READY | 0.133 | (0.053)* | ||||
EPIO2 | 0.001 | (0.005) | ||||
MEANO2 | 0.028 | (0.008)* | ||||
STILL | 0.401 | (0.079)* | ||||
PH2a | −0.111 | (0.050)* | ||||
PH3a | −0.163 | (0.053)* | ||||
Random effects | ||||||
Dyad variation | 0.023 | (0.012) | 0.012 | (0.008) | 0.012 | (0.006)* |
Episode variation | 0.078 | (0.011)* | 0.078 | (0.011)* | 0.039 | (0.006)* |
−2*Log likelihood | 52.025 | 45.125 | −26.526 | |||
Difference in chi-square value | 6.9, df 4 | 78.55 df 6 | ||||
p = 0.141 | p<.001 |
Note.
Indicates statistically significant at least at the .05 level.
Dummy coded with Phase 1 as referent.