Table 5.

Mixed model evaluating changes in weight by age, engagement, and time.

Effect	Estimatea	Standard error	P value
Intercept	93.68	1.12	<.001
Age	0.02	0.02	.40
Baseline	N/Ab	N/A	N/A
Week 16	1.79	1.31	.17
Week 52	–1.85	3.03	.54
Engagement	–1.33	0.39	<.001
Baseline*agec	N/A	N/A	N/A
Week 16*age	–0.12	0.03	<.001
Week 52*age	–0.02	0.06	.67
Age*engagement	0.02	0.01	.01
Baseline*engagement	N/A	N/A	N/A
Week 16*engagement	–0.13	0.07	.06
Week 52*engagement	–0.44	0.15	.004

^aEstimate represents predicted value of weight.

^bN/A: Reference group used.

^c*=interaction.