Table 4.

Validity correlation matrix from Study 1

	A1c	DTSQs Perceived Frequency of Hyperglycemia	DTSQs Perceived Frequency of Hypoglycemia	Body Mass Index	IWQOL Total Score	EQ-5D Usual Activities (Item 3)†	EQ-5D Visual Analog Scale	WHO-5 Total Score
Patient behaviors to:
Monitor blood glucose	0.03	0.04	0.13	−0.05	−0.05	−0.04	0.05	0.08
Take medications as prescribed	0.07	0.12	−0.05	−0.14	0.02	−0.07	0.06	0.16
Eat healthy	−0.02	−0.16	−0.04	−0.21*	0.21*	0.08	0.07	0.24**
Engage in physical activity	−0.03	0.03	0.03	−0.12	0.18*	−0.18*	0.05	0.28**
Cope with frustration and worry	−0.43***	−0.44***	0.11	−0.13	0.44***	−0.14	0.33***	0.45***
Ease of:
Monitoring blood glucose	0.02	−0.10	0.07	−0.05	0.08	−0.17*	0.12	0.16
Taking medications as prescribed	0.07	0.11	0.05	−0.05	0.00	−0.14	0.08	0.16
Eating healthy	−0.09	−0.23**	−0.06	−0.09	0.20*	−0.03	0.10	0.31***
Engaging in physical activity	−0.17*	−0.23**	−0.10	−0.09	0.32***	−0.22**	0.26**	0.46***
Coping with frustration and worry	−0.26**	−0.29**	−0.06	−0.11	0.32***	−0.12	0.25**	0.46***
Ease of managing weight	−0.12	−0.18*	0.05	−0.33***	0.38***	−0.10	0.34***	0.37***
Confidence in ability to manage diabetes	−0.39***	−0.35***	−0.03	−0.10	0.34***	−0.04	0.28**	0.46***

Note: A1c, glycated hemoglobin; WHO-5, World Health Organization-Five Well-Being Index; EQ-5D, EuroQoL-Five Dimensions; DTSQs, Diabetes Treatment Satisfaction Questionnaire-Status Version; IWQOL, Impact Of Weight On Quality Of Life-Lite.

† EQ-5D item 3 (Usual Activities) used here is scored so that a higher score represents more severe problems.

* Correlation is significant at the 0.05 level (2-tailed).

** Correlation is significant at the 0.01 level (2-tailed).

*** Correlation is significant at the 0.001 level (2-tailed).