Table 2: Sociodemographic and health variables at baseline for the total sample ( 𝑛 = 3 0 6 ) and for each of the diagnostic subgroups at hospital departments ( 𝑛 = 6 2 ) and rehabilitation centres ( 𝑛 = 2 4 4 ) .

ALL 𝑁 = 3 0 6 Inflamm. disease hospital
( 𝑛 = 4 8 )
Inflamm. disease outpatient hospital
( 𝑛 = 1 4 )
Inflamm. disease rehab centre
( 𝑛 = 5 0 )
OA conventional rehab centre
( 𝑛 = 6 3 )
OA postsurgery rehab
( 𝑛 = 1 3 1 )

Age (y), mean (SD)60.7 (9.6)54.4 (11.2)51.6 (11.2)58.2 (9.5)60.7 (8.1)64.9 (7.1)
Female, 𝑛 (%)229 (74.8)26 (54.2)10 (71.4)48 (96.0)61 (96.8)84 (64.1)
Married/cohabitant, 𝑛 (%)213 (69.6)35 (74.5)11 (78.5)32 (66.7)38 (60.3)97 (75.8)

Education, 𝑛 (%)
 ≤9 years77 (25.2)15 (31.9)5 (35.7)13 (26.5)15 (24.2)29 (22.8)
 ≤12 years70 (22.9)11 (23.4)3 (21.4)11 (22.4)18 (29.0)27 (21.3)
 >12 years152 (49.7)21 (44.7)6 (42.9)25 (51.0)29 (46.8)71 (55.9)
 Missing71114

Work situation, 𝑛 (%)
 Employed40 (13.2)10 (21.3)7 (50.0)6 (12.2)8 (12.7)9 (7.0)
 Employed, but on sick leave50 (16.3)4 (8.5)4 (28.6)4 (8.2)10 (15.9)28 (21.7)
 Disability pension111 (36.3)23 (48.9)2 (14.3)29 (59.2)29 (46.0)25 (19.4)
 Age pension99 (32.4)7 (14.9)1 (7.1)9 (18.4)16 (25.4)65 (50.4)
 Homeworker4 (1.3)2 (4.2)0002 (1.6)
 Unemployed2 (0.7)1 (2.1)01 (2.0)00
 Missing4112

Co-morbidity, 𝑛 (%)
 None52 (17.0)14 (29.2)5 (35.7)4 (8.0)5 (7.9)24 (18.3)
 One106 (34.6)17 (35.4)4 (28.6)19 (38.0)11 (17.5)55 (42.0)
 Two or more148 (48.4)17 (35.4)5 (35.7)27 (54.0)47 (74.6)52 (39.7)

Daily use pain medication, 𝑛 (%)152 (49.7)23 (53.5)15 (35.7)23 (53.5)3 (30.0)20 (31.7)
Daily use anti-inflammatory medication, 𝑛 (%)93 (30.4)24 (58.5)6 (54.5)17 (44.7)36 (45.0)93 (43.3)
Daily use relaxing/sleeping med, 𝑛 (%)51 (16.7)5 (13.5)2 (22.2)12 (30.8)12 (21.8)20 (23.0)
Assistive tools, mean (SD)0.9 (1.8)1.2 (2.0)1.9 (2.8)0.8 (1.7)0.5 (1.4)1.0 (1.7)
Days of rehab stay mean (SD)21.3 (6.2)16.7 (5.8)11.9 (2.0)26.7 (5.9)25.5 (4.8)19.8 (3.8)
MHAQ1, mean (SD).77 (.48).71 (.46).49 (.43).63 (.46).65 (.45).94 (.46)
SF36 physical sum score2, mean (SD)30.5 (8.9)34.1 (10.8)38.3 (8.5)31.4 (8.1)30.5 (9.0)27.8 (7.5)
SF36 mental sum scores2, mean (SD)49.1 (12.7)47.7 (13.1)42.6 (13.2)46.1 (12.3)48.3 (12.8)52.0 (12.2)

OA: osteoarthritis; rehab: rehabilitation.
1MHAQ score 0–3, 0 = best possible score, 3 = worst possible score.
2SF-36 sum scores, score 0–100, 0 = worst possible score, 1 0 0 = best possible score.
3 𝑃 -values refer to ANOVA analysis for continuous variables and Chi-square for categorical variable.