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Table 3 Factors affecting the individual domains of quality of life in WHOQoL-BREF questionnaire – logistic regression, forward stepwise method, separate model for each question or domain

From: Factors influencing quality of life in patients followed in the neurosonology laboratory for carotid stenosis

Question/ Domain Factora OR 95 CI P value
Q1 Social situation
 - living alone reference   
 - living with a family member 1.649 0.734–3.705 0.226
 - living with a partner 2.509 1.349–4.972 0.004
Education level
 - primary reference   
 - secondary without graduation 1.177 0.578–2.397 0.653
 - secondary with graduation 2.572 1.206–5.484 0.014
 - tertiary 4.351 1.461–12.957 0.008
Diastolic blood pressure (per 10 mmHg) 0.672 0.477–0.956 0.023
Pain (per 1 point in the Visual pain scale) 0.852 0.759–0.956 0.007
Q2 Gender
 - female reference   
 - male 1.784 1.117–2.850 0.015
Diastolic blood pressure (per 10 mmHg) 0.477 0.341–0.667 < 0.001
Pain (per 1 point in the Visual pain scale) 0.798 0.724–0.879 < 0.001
DOM 1 Education level
 - primary reference   
 - secondary without graduation 2.472 1.125–5.432 0.024
 - secondary with graduation 2.956 1.364–6.406 0.006
 - tertiary 1.871 0.749–4.675 0.180
Diastolic blood pressure (per 10 mmHg) 0.961 0.928–0.995 0.027
Pain (per 1 point in the Visual pain scale) 0.593 0.519–0.678 < 0.001
DOM 2 Gender
 - female reference   
 - male 1.910 1.016–3.591 0.044
Pain (per 1 point in the Visual pain scale) 0.673 0.585–0.773 < 0.001
DOM 3 Gender
 - female reference   
 - male 0.543 0.297–0.994 0.048
Pain (per 1 point in the Visual pain scale) 0.785 0.692–0.890 < 0.001
DOM 4 Pain (per 1 point in the Visual pain scale) 0.619 0.511–0.750 < 0.001
  1. a- only factors significantly influencing the corresponding question or domain with p < 0.05 are mentioned; WHO-QOL BREF – World Health Organization Quality of Life short version; EQ-5D-3 L – the 3-item EuroQol-5D; WHO-QOL: Q1 – overall perception of quality of life; Q2 – the overall perception of their health; DOM1 – physical health domain; DOM2 – psychological domain; DOM3 – social relationships domain; DOM4 – environment domain