Table 2.

Difference in weight and body mass index between patients from intervention and control practices

	Intervention	Control	Difference (intervention-control) (95% CI)	P value
Weight (kg)
Three months after training (n=664)	100.4	99.8	+0.6 (−2.1 to 3.2)	0.7
12 months after training (n=565)	100.3	99.3	+1.0 (−1.9 to 3.9)	0.5
18 months after training (n=531)	100.8	99.5	+1.3 (−1.8 to 4.4)	0.4
Body mass index (kg/m2)
Three months after training (n=663*)	36.8	36.9	−0.2 (−1.2 to 0.8)	0.7
12 months after training (n=564*)	36.9	36.8	0 (−1.0 to 1.0)	0.96
18 months after training (n=530*)	37.1	36.9	0.1 (−1.0 to 1.1)	0.9

^*Height missing from data for one patient.