. Author manuscript; available in PMC: 2009 Nov 20.

Published in final edited form as: Obesity (Silver Spring). 2008 Oct 16;16(12):2739–2744. doi: 10.1038/oby.2008.437

Table 2.

Pearson correlations (r) between Si and proxy indices

	Fasting Insulin	HOMA	QUICKI	FGIR

Overweight^a
All	−0.523^‡	−0.509^‡	0.436^‡	0.458^‡
African American	−0.555^‡	−0.556^‡	0.499^‡	0.490^‡
Caucasian American	−0.456^‡	−0.457^‡	0.419^‡	0.382^†
Post-weight loss^a
All	−0.321^‡	−0.283^†	0.182^*	0.283^†
African American	−0.364^†	−0.339^†	0.243	0.325^*
Caucasian American	−0.304^*	−0.305^*	0.192	0.231
Change^a
All	−0.245^†	−0.227^*	0.184^*	0.195^*
African American	−0.299^*	−0.273^*	0.280^*	0.249
Caucasian American	−0.209	−0.200	0.096	0.152
One-year follow-up^b
Gainers (> 3 kg)	−0.584^‡	−0.503^‡	0.521^‡	0.546^‡
Maintainers	−0.414^*	−0.371	0.246	0.331

HOMA-IR, homeostasis model assessment of insulin resistance; QUICKI, quantitative insulin sensitivity check index; FGIR, fasting glucose to insulin ratio.

n = 59 African American, 62 Caucasian American

n = 69 Gainers, 26 Maintainers

P < 0.05,

^†

P < 0.01,

^‡

P < 0.001