Can early weight loss, eating behaviors and socioeconomic factors predict successful weight loss at 12- and 24-months in adolescents with obesity and insulin resistance participating in a randomised controlled trial?

Table 2 Correlation coefficients of BMI95 at 3-, 12- and 24-months

	Change BMI95 baseline to 3 m	Change BMI95 baseline to 12 m	Change BMI95 baseline to 24 m
Change BMI95 baseline to 3mo^a		0.451**	0.215
Change BMI95 baseline to 12mo^a			0.706**
Sex^b (coding: male = 1, female = 2)	-0.068	-0.102	0.005
Age, years^a	0.313**	-0.037	-0.056
Pubertal (stage 1 to 5)^b	0.150*	-0.093	-0.029
BMI95^a	-0.210*	0.116	0.161
External eating score^c	-0.133	0.250*	0.304
Dietary restraint score^a	-0.008	-0.059	-0.128
Parental pressure to eat score^a	0.004	0.228*	0.106
Emotional eating score^c	-0.092	0.118	0.336*
Baseline daily screen time^a (mins/day)	-0.116	-0.233*	0.046
Baseline daily physical activity^c (mins/day)	0.215*	0.331*	0.355*
Number of parents living in household^b (coding: one = 1, two = 2)	-0.022	0.050	0.006
Mother’s education^b (coding: <year 12 = 1, completed year 12 = 2, completed tertiary/trade degree = 3)	0.033	-0.126	-0.189
Father’s education^b (coding as for ‘Mother’s education’)	-0.12	-0.275**	-0.171
Family income^b (coding: <$31,200/yr = 1, $31,200–$67,599/yr = 2, $67,600-$103,999/yr = 3, ≥$104,000/yr = 4)	-0.043	-0.256**	-0.362**

All variables were measured at baseline unless otherwise specified. BMI95: body mass index expressed as a percentage of the 95^thpercentile. *p < 0.05; **p < 0.01
^aPearson’s correlation coefficient (r), ^bKendall’s τ (tau), ^cSpearman’s ρ (rho)

ISSN: 1479-5868