Table 4.

DNT15 and sub-sample analysis: Spearman's correlations.

Variable	Sub-sample 1 (rho)	Sub-sample 2 (rho)
DNT	0.96	0.97
Education	0.36	0.52
Income	0.53	0.49
REALM	0.54	0.52
WRAT	0.65	0.61
DKT	0.73	0.67
Insulin use	0.10	-0.02

DNT – Diabetes Numeracy Test; REALM – Rapid Estimate of Adult Literacy in Medicine; WRAT – Wide Range Achievement Test; DKT – Diabetes Knowledge Test