Table 2.

Pearson's correlation coefficients between plasma leptin and measurements at baseline

	Adults			Children
	Men	Women	P-Value	Boys	Girls	P-Value
N	208	270		209	195
BMIa	0.66 (<0.0001)	0.62 (<0.0001)	0.47	0.68 (<0.0001)	0.62 (<0.0001)	0.30
BIA body fat %	0.68 (<0.0001)	0.67 (<0.0001)	0.84	0.71 (<0.0001)	0.65 (<0.0001)	0.27
SSKa	0.70 (<0.0001)	0.68 (<0.0001)	0.68	0.80 (<0.0001)	0.69 (<0.0001)	0.01
WCb	0.64 (<0.0001)	0.58 (<0.0001)	0.30	0.62 (<0.0001)	0.49 (<0.0001)	0.06
HCb	0.49 (<0.0001)	0.60 (<0.0001)	0.09	0.53 (<0.0001)	0.46 (<0.0001)	0.36
WHR	0.39 (<0.0001)	0.03 (0.62)	0.0004	0.13 (0.06)	-0.03 (0.67)	0.11
Plasma fasting insulina	0.59 (<0.0001)	0.39 (<0.0001)	0.004	0.47 (<0.0001)	0.38 (<0.0001)	0.27
Plasma fasting glucose	0.35 (<0.0001)	0.03 (0.59)	0.0003	0.08 (0.26)	0.21 (0.003)	0.19
HOMAIRa	0.61 (<0.0001)	0.37 (<0.0001)	0.0006	0.46 (<0.0001)	0.39 (<0.0001)	0.39
Energy intake	-0.14 (0.04)	-0.02 (0.77)	0.08	0.05 (0.50)	0.02 (0.80)	0.77
Alcohol intake	0.02 (0.80)	-0.02 (0.69)	0.67
Ambulatory activity	-0.19 (0.006)	-0.02 (0.81)	0.06	-0.05 (0.48)	-0.04 (0.62)	0.92
LTPAa	-0.01 (0.89)	-0.04 (0.53)	0.75	-0.17 (0.01)	-0.20 (0.005)	0.76

Abbreviations: BIA, bioelectrical impedance analysis; BMI, body mass index; HC, hip circumference; HOMA, homestatsis model assessment; LTPA, Leisure time physical activity; SSK, sum of four skinfolds; WC waist circumference; WHR, waist-to-hip ratio.

Data shown as partial correlation coefficient (p value) adjusted for age, and pubertal stage in children.

^aLogtransformed.

^bAdditional adjustment on height.

All models are also adjusted for a random effect nuclear family variable.