Table 2

Results of the ordinal logistic regression analysis showing all the determinants included in the analysis

Characteristics	Mean (SD)/n (%)	OR	95% CI
Age in years	64.5 (6.5)^*	1.22	0.97 to 1.52
BMI	26.2 (3.5)^*	1.18	0.94 to 1.47
Female gender	623 (64.7)	1.95	1.15 to 3.36
Heavy workload^†	623 (14.9)	1.61	0,83 to 3,11
Joint complaints
HAQ lower limb disability^‡	623 (10.0)	0.81	0.38 to 1.,69
General joint complaints in last month	623 (80.7)	2.22	1.12 to 4.35
Duration of general joint complaints§	503 (60.5)	0.64	0.37 to 1.08
Morning stiffness <30 min in legs	620 (10.3)	0.93	0.44 to 1.82
Comorbidities
Hypertension	617 (28.5)	0.82	0.50 to 1.35
Diabetes	622 (8.8)	0.57	0.24 to 1.30
Other rheumatic diseases	623 (4.8)	1.54	0.67 to 3.57
Family rheumatoid arthritis	623 (18.1)	0.97	0.56 to 1.64
Osteoarthritis (OA) variables
Hip rOA	617 (9.0)	0.83	0.39 to 2.08
Family OA	588 (27.1)	1.08	0.68 to 1.72
Imaging data
KL grade 1 in painful joint	623 (30.3)	7.14	4.55 to 11.1

Significant outcomes are printed bold.
↵* Mean (SD) rest =n (%).
↵† Worked outdoors for 25 years 4 h/day.
↵‡ No disability vs any disability.
§< 1 year vs ≥1 year.
BMI, body mass index; HAQ, Health Assessment Questionnaire; KL, Kellgren and Lawrence; rOA, radiological osteoarthritis.