Table 2. Summary of continuous outcomes and P value for change from baseline between groups.

	Controls			3PS group
Outcomes	Baseline	6 weeks	12 weeks	Baseline	6 weeks	12 weeks	P value* (6 weeks)	P value* (12 weeks)
Sleep (mean, SD)
Median time during the night the child is awake (mins)#	10 (5, 30)	15 (5, 30)	5 (0, 15)	10 (0, 30)	5 (0, 10)	0 (0, 5)	0.022#	0.171#
Longest stretch of time the child is asleep during the night without waking up (hours)	7.4 (2.8)	8.1 (3.0)	7.7 (3.0)	8.8 (2.9)	10.2 (2.0)	10.2 (1.7)	0.036	0.004
Total time the child spends sleeping during the night (hours)	10.7 (1.0)	10.7 (1.0)	10.6 (1.2)	10.6 (1.1)	10.9 (0.7)	11.0 (0.6)	0.327	0.069
Screen Use (mean, SD)
Screen time per day during the weekdays and weekends (hours)	1.8 (0.8)	1.8 (1.0)	1.9 (1.2)	1.6 (0.8)	1.4 (0.8)	1.5 (1.0)	0.243	0.374
Parent feeding practices (mean, SD)
Uses food to reward behaviour score**	10.2 (3.0)	9.8 (3.2)	9.5 (3.2)	10.1 (3.1)	9.0 (3.6)	8.3 (2.9)	0.269	0.130
Uses food as a reward for eating score**	9.2 (3.9)	9.0 (4)	8.8 (3.6)	10.6 (3.4)	8.9 (3.8)	8.7 (3.2)	0.135	0.296
Persuasive feeding score**	18.4 (4.2)	18.5 (4.3)	17.4 (4.3)	18.5 (5.0)	17.3 (4.2)	16.6 (3.8)	0.067	0.141
Structured meal score	11.4 (3.0)	11.8 (2.8)	11.7 (2.7)	11.7 (2.5)	12.1 (2.2)	12.3 (2.5)	0.852	0.213
Household (mean, SD)
Child Routine Inventory score	37.2 (4.8)	37.9 (4.3)	38.4 (3.7)	37.6 (5.5)	38.6 (5.5)	39.5 (4.6)	0.735	0.172
CHAOS score**	5.1 (3.5)	5 (3.2)	5.0 (3.2)	4.2 (2.4)	3.4 (2.4)	3.0 (2.1)	0.054	0.002

* P value for the between-group difference in the change from baseline (adjusted for baseline value)

# Data is non-normal so median and interquartile range are reported and Wilcoxon two-sample test used.

**A lower score is a more favourable outcome.