Appendix Table 1.

Spearman correlations of phenotypic characteristics with OGTT and hyperglycemic clamp measures of β cell function

	Early-Phase OGTT Insulin Secretion oDI		Late-Phase OGTT Insulin Secretion OGTT AUCins		First-Phase Clamp Insulin Secretion cDI		Second-Phase Clamp Insulin Secretion Clamp Phase-2 Insulin
	(n=204)	p value	(n=202)	p value	(n=87)	p value	(n=94)	p value
Sex (F=1, M=0)	0.197	0.005	0.150	0.033	0.166	0.124	0.122	0.236
Age	0.052	0.461	0.032	0.650	−0.026	0.810	−0.220	0.032
Weight	−0.070	0.320	0.194	0.006	−0.279	0.009	0.320	0.001
Fasting Glucose	−0.239	0.001	−0.050	0.483	−0.321	0.002	−0.228	0.025
OGTT 2-hr Glucose	−0.220	0.002	−0.206	0.003	−0.267	0.012	−0.303	0.003
HbA1c	−0.168	0.018	−0.083	0.249	−0.397	<0.001	−0.176	0.088
Fasting Insulin−1	0.106	0.132	−0.720	<0.001	0.157	0.155	−0.599	<0.001
Triglycerides	−0.059	0.406	0.073	0.307	0.024	0.828	0.021	0.839
Total cholesterol	0.023	0.739	0.029	0.687	0.064	0.560	−0.131	0.101
HDL cholesterol	0.111	0.115	−0.176	0.012	0.125	0.253	−0.265	0.010
LDL cholesterol	0.045	0.524	0.031	0.665	0.038	0.732	−0.124	0.234
Non-HDL cholesterol	0.010	0.887	0.077	0.280	0.032	0.774	−0.068	0.518