. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: J Am Soc Hypertens. 2015 Aug 7;9(9):670–679. doi: 10.1016/j.jash.2015.06.012

Table 3. Means and Standard Deviations of Study Measures at Baseline in SPRINT.

Study Measures (Variable)	Overall (N = 9361)	American (N = 2947)	American (N = 6414)	P-value
Health Related Quality of Life
General health status	2.65±0.85	2.87 ±0.82	2.54±0.84	<.0001^*
EQ-5D (Health Utility)	6.52±1.50	6.72±1.64	6.42±1.42	<.0001^*
Patient Health Questionnaire-9 (depressive symptoms)	3.07±4.16	3.63±4.81	2.81 ±3.80	<.0001^*
Patient Satisfaction^†	1.67±0.82	1.72±0.85	1.64 ±0.81	<.0001^*
Morisky Medication Adherence^†	6.95±1.28	6.57±1.50	7.14±1.12	<.0001^*

P-value for t-test using Satterthwaite correction for unequal variances.

^†

Sample sizes: patient satisfaction, 9278 (2933 AA); Morisky medication adherence, 8432 (2707 AA).