Vitamin D Supplementation and Cognition in People with Type 2 Diabetes: A Randomized Control Trial

Table 3

Change in quality of life and functioning assessments.

	Valid N	Delta score (week 13—baseline)
		Mean difference	95% confidence interval
			Lower	Upper
SAS-SR	30	-3.93	-9.35	1.48	.15
SCI-R	30	4.31	-5.12	13.75	.36
PAID	30	3.08	-3.78	9.95	.37
EWPS	15	-5.89	-14.42	2.64	.16
PSQI	27	0.53	-1.36	2.42	.57
MOS	28	1.22	-6.55	8.99	.75
PSS	30	-0.53	-4.54	3.47	.79

Note: the mean difference and 95% confidence limits of the delta score (week 13—baseline) are shown for the high dose versus low dose. SAS-SR = Social Adjustment Scale Self-Report. SCI-R = Self-Care Index Revised. PAID = Problem Areas in Diabetes. EWPS = Endicott Work Productivity Scale. PSQI = Pittsburg Sleep Quality Index. MOS = Medical Outcomes Study Social Support Survey. PSS = Perceived Stress Scale.