. 2018 Dec 4;12:2593–2603. doi: 10.2147/PPA.S182172

Table 3.

The correlation coefficient between the results of the HBQ and WHOQOL-BREF as well as between results of the HBQ and chosen qualitative sociodemographic features

HBQ	Correlation coefficient^a
HBQ	Perception of QOL	Perception of health	Physical domain	Psychological domain	Social domain	Environmental domain
Total score	−0.492^b	−0.391^b	−0.381^b	−0.528^b	−0.434^b	−0.489^b
Reduced sodium intake	−0.045	−0.154^b	−0.03	−0.123	−0.161^b	−0.181^b
Appointment keeping	−0.419^b	−0.268^b	−0.221^b	−0.356^b	−0.283^b	−0.341^b
Medication taking	−0.51^b	−0.356^b	−0.423^b	−0.52^b	−0.409^b	−0.445^b
HBQ	Correlation coefficient^a
HBQ	Age, years			Duration of disease, years
Total score	0.357^b			0.205^b
Reduced sodium intake	0.049			−0.029
Appointment keeping	0.139			0.147^b
Medication taking	0.296^b			0.199^b

Notes:

Spearman’s rank correlation coefficient (non-normal distributions of correlated variables).

Statistical significance for P<0.05.

Abbreviations: HBQ, the Hill-Bone Compliance to High Blood Pressure Therapy Scale questionnaire; P, level of statistical significance; QOL, quality of life; WHOQOL-BREF, the World Health Organization Quality of Life Scale Brief version.