Table 2.

Mean changes in study outcomes, ANCOVA, with respective baseline score as covariate

Outcomes	Δ H@H group (n = 47)	Δ Control group (n = 41)	F statistic	p value	ESa
Satisfaction with relationship with child
Pre to post intervention	0.30	0.05	5.54	0.02*	0.25
Pre to 3-months post intervention	0.26	0.07	2.77	0.10	0.18
Targeted behaviors: self-reported frequencies
Made effort to enhance relationship
Pre to post-intervention	−0.15	0.05	0.04	0.85	0.00
Pre to 3-months post-intervention	−0.02	0.02	0.63	0.43	0.08
Stated clear expectations
Pre to post-intervention	−0.32	−0.07	0.11	0.74	0.03
Pre to 3-months post-intervention	−0.43	−0.05	0.41	0.53	0.07
Gave reasonable consequences
Pre to post-intervention	−0.38	−0.22	0.89	0.35	0.10
Pre to 3-months post-intervention	−0.38	−0.44	0.40	0.53	0.07
Stayed calm when child argued
Pre to post-intervention	0.32	0.07	3.17	0.08	0.19
Pre to 3-months post-intervention	0.19	0.07	0.97	0.33	0.11
Negotiated good behavior
Pre to post-intervention	−0.32	−0.32	8.71	0.04*	0.32
Pre to 3-months post-intervention	−0.32	0.02	0.21	0.65	0.04
Family harmony
Pre to post intervention	0.14	0.02	9.39	<0.01*	0.33
Pre to 3-months post intervention	0.06	0.28	0.58	0.45	0.08

Positive change scores indicate an increase and negative change scores indicate a decrease in study outcomes

H@H group Harmony@Home group

* The result is statistically significant at p < 0.05

^a ES Cohen’s effect size index f: 0.10 = small, 0.25 = medium, 0.40 = large