Table 2. Partial correlations for associations of leptin and insulin with fat adjusted for height, and with height adjusted for fat or BMI.

	Leptin			Insulin
	Fat adj. height	Height adj. fat	Height adj. BMI	Fat adj. height	Height adj. fat	Height adj. BMI
Boys
Visit
7	0.68**	−0.20**	0.05	0.28**	−0.02	0.05
8	0.61**	−0.07	0.12	0.41**	−0.10	0.07
9	0.53**	−0.02	0.09	0.32**	0.12	0.21*
10	0.66**	−0.04	0.12	0.41**	0.13	0.23*
11	0.82**	−0.36**	−0.04	0.40**	−0.07	0.04
12	0.84**	−0.29**	0.03	0.41**	0.04	0.16
All adj. age	0.68**	−0.12**	0.09*	0.37**	0.01	0.11**
Girls
Visit
7	0.70**	−0.02	0.21*	0.47**	−0.00	0.14
8	0.79**	−0.19 **	0.10	0.38**	0.15	0.25*
9	0.74**	−0.27	0.08	0.38**	0.02	0.15
10	0.76**	−0.06	0.20*	0.43**	0.20*	0.32**
11	0.88**	−0.34**	0.04	0.55**	0.13	0.22*
12	0.88**	−0.07	0.19	0.41**	0.22 *	0.28**
All adj. age	0.78**	−0.13**	0.12*	0.52**	0.11*	0.20**

Abbreviation: BMI, body mass index.

Fat mass, leptin and insulin are natural log-transformed.

All adj. age—correlation in whole sample, partialling out the effect of age.

**P<0.001; *P<0.05.