A cross-sectional study on self-reported physical and mental health-related quality of life in rheumatoid arthritis and the role of illness perception

Table 3 Univariate analysis of associations between patient and clinical characteristics, illness perception, social support and HRQoL

	Physical quality of life	P-value	Mental quality of life	P- value
Patient characteristics
Sex	−0.06	0.500	0.01	0.940
Age	−0.13	0.152	0.12	0.177
Marital status	−0.15	0.100	0.09	0.323
Educational level	0.14	0.122	0.07	0.429
Monthly net income	0.11	0.256	0.14	0.121
Clinical characteristics
Disease duration	−0.06	0.550	0.16	0.078
Treatment
NDAID	0.46	< 0.001	0.22	0.017
sDMARD	0.05	0.624	0.06	0.517
bDMARD	−0.08	0.405	0.01	0.942
Steroid	0.29	0.001	0.31	< 0.001
Additional medication	−0.34	< 0.001	− 0.28	0.002
Co-morbidity	−0.31	< 0.001	− 0.34	< 0.001
Disease activity	−0.56	< 0.001	−0.54	< 0.001
Pain	−0.56	< 0.001	−0.56	< 0.001
Functional disability	−0.56	< 0.001	− 0.61	< 0.001
Fatigue	−0.48	< 0.001	− 0.64	< 0.001
Illness perception
Identity	−0.39	< 0.001	− 0.39	< 0.001
Timeline (acute/chronic)	−0.11	0.228	0.03	0.719
Consequences	−0.61	< 0.001	−0.56	< 0.001
Treatment control	0.22	0.014	0.20	0.029
Personal control	0.29	0.001	0.31	0.001
Illness coherence	0.23	0.012	0.42	< 0.001
Timeline (cyclical)	−0.58	< 0.001	− 0.38	< 0.001
Emotional representation	−0.39	< 0.001	−0.60	< 0.001
Social support
Positive support	0.06	0.553	0.16	0.085
Detrimental interaction	−0.31	0.001	−0.41	< 0.001

Values shown are beta regression coefficients based on univariate regression analyses with dependent variable physical/mental HRQoL

ISSN: 1477-7525