Occupational Therapy International / 2018 / Article / Tab 5

Research Article

A Feasibility RCT Evaluating a Play-Informed, Caregiver-Implemented, Home-Based Intervention to Improve the Play of Children Who Are HIV Positive

Table 5

Effect sizes of ToP item scores.

ToP itemPICIHBI groupComparison group
Baseline to midBaseline to postMid to postBaseline to midBaseline to postMid to post

Engaged (E)−2.81−0.57−1.27−0.261.710.35+−0.12−
Decides (E)−2.43−0.500.000.002.640.54+−0.17−
Safety (E)
Mischief (E)
Process (E)−0.59−
Pretends (E)−1.72−0.351.190.24+0.000.00
Unconventional (E)
Social play (E)−2.13−0.43−2.46−0.500.000.00−1.73−0.35−1.66−0.340.000.00
Clowns (E)
Cues (E)−0.54−−0.06−
Engaged (I)−0.97−0.20−0.54−
Social play (I)
Affect (I)−1.51−0.31−2.24−0.460.
Object (I)−1.08−
Engaged (S)
Modifies (S)
Social play (S)
Supports (S)
Initiate (S)0.960.20+1.340.27+
Shares (S)
Cues (S)
Responds (S)0.51−−0.97−0.201.630.33+0.340.07
Objects (S)−0.72−0.15−1.35−
Transitions (S)

Notes: The r-effect size was used to calculate the effect sizes for nonparametric data. In this calculation, the effect size (i.e., r) is obtained by dividing the Wilcoxon Z score by the square root of the sample size; . Cohen’s guidelines for are small effect ≥ 0.1, medium effect ≥ 0.3, or large effect ≥ 0.5; +: small, medium, and large effect sizes; , , .