Table 3.

Results for univariate linear regression analysis of physical and mental health on sociodemographic characteristics, disease status, and number of comorbid conditions.

	PCS				MCS
Variables	B	SE	p	R²	B	SE	p	R²
Sex (male vs female)	3.65	0.95	0.0001	0.02	0.83	0.89	0.35	0.006
Age	−0.06	0.04	0.10	0.004	0.03	0.03	0.31	0.002
White (yes vs no)	0.008	0.03	0.78	0.0001	0.94	1.37	0.49	0.0008
College or university education (yes vs no)	3.61	1.10	0.001	0.02	2.75	1.01	0.007	0.01
Employed (yes vs no)	7.71	0.9	< 0.0001	0.09	3.18	0.93	0.0007	0.02
Married (yes vs no)	0.66	1.17	0.58	0.0005	0.40	1.09	0.71	0.0002
Current smoker (yes vs no)	−1.73	0.56	0.002	0.02	−1.95	0.51	0.0002	0.02
Current daily drinker (yes vs no)	2.66	0.79	0.0009	0.02	0.57	0.74	0.44	0.001
Duration of PsA (yrs)	−0.07	0.04	0.12	0.004	0.10	0.04	0.01	0.01
Severe psoriasis (PASI > 10)	−2.95	1.47	0.04	0.007	0.005	1.35	0.10	0.000
No. actively inflamed joints	−0.53	0.05	< 0.0001	0.16	−0.21	0.05	<0.0001	0.03
Severe clinical deformity (≥ 5 deformed joints)	−0.80	1.00	0.42	0.001	2.11	0.92	0.02	0.008
Elevated ESR (yes vs no)	−3.97	1.02	0.0001	0.02	−1.20	0.94	0.20	0.003
Anemia (yes vs no)	−4.58	1.41	0.001	0.02	0.25	1.30	0.85	0.0001
NSAID ever used (yes vs no)	−2.77	1.34	0.04	0.007	1.81	1.24	0.15	0.003
DMARD ever used (yes vs no)	−2.81	1.05	0.008	0.01	0.37	0.98	0.70	0.0002
Biologic agents ever used (yes vs no)	−3.16	1.08	0.004	0.01	−2.13	1.00	0.03	0.007
Three or more comorbid conditions (yes vs no)	−5.42	0.94	< 0.0001	0.05	−2.0	0.88	0.008	0.02

See Table 1 for definitions. SE: standard error.