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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Monogr Soc Res Child Dev. 2019 Jun;84(2):7–147. doi: 10.1111/mono.12405

Table 5.3.

LME results for the total time and longest time within a bout performing the anti-phase pattern per month and model condition.

Total Time
R2 = 0.30 df = 179
Fixed Effects
Name Estimate (± SE) t-stat p-value
Intercepta 1.81 (± 0.26) 6.90 < .001
Change (per month) 0.16 (± 0.05) 3.40 < .001
No-Model −1.00 (± 0.26) 3.83 < .001
In-Phase Model −1.41 (± 0.26) 5.38 < .001
Random Effects
Name Type Estimate
Intercept SD 0.001
Change (per month) SD 0.09
Residual SD 1.44
Longest Time
R2 = 0.10 df = 180
Fixed Effects
Name Estimate (± SE) t-stat p-value
Intercepta 0.89 (± 0.07) 12.13 < .001
No-Model −0.25 (± 0.10) 2.47 .014
In-Phase Model −0.47 (± 0.10) 4.52 < .001
Random Effects
Name Type Estimate
Residual SD 0.57
a

The intercept refers to the estimate for the 15th month of age; df: degrees of freedom; SE: Standard Error; SD: Standard Deviation.