Variable | Reference | RAID | FFbH | SJC |
---|---|---|---|---|
Age, per 10 yrs | Per 10 yrs | −0.03 (−0.08 to 0.02) | −2.43 (−2.79 to −2.06) | 0.49 (0.30–0.67) |
Female | Male | 0.58 (0.50–0.66) | −6.19 (−6.96 to −5.43) | 1.31 (0.91–1.72) |
BMI, kg/m2 | Per unit | 0.04 (0.04–0.05) | −0.54 (−0.61 to −0.47) | 0.15 (0.11–0.19) |
Smoking, ever | Never | 0.01 (−0.09 to 0.10) | −0.79 (−1.59 to 0.00) | 0.55 (0.14–0.96) |
Rheumatologic care, yes | No | 0.04 (−0.07 to 0.15) | −1.95 (−2.85 to −1.06) | −0.01 (−0.48 to 0.46) |
≤ 8 yrs of education | > 10 yrs | 0.74 (0.61–0.87) | −4.07 (−5.26 to −2.87) | 0.33 (−0.20 to 0.87) |
9–10 yrs of education | > 10 yrs | 0.39 (0.28–0.50) | −2.89(−3.78 to −1.99) | 0.50 (0.07–0.92) |
Household income < €1500 | > € 3200 | 0.73 (0.59–0.86) | −8.65 (−9.72 to −7.58) | 3.47 (2.86–4.08) |
Household income €1500–3200 | > € 3200 | 0.28 (0.16–0.39) | −6.09 (−7.00 to −5.19) | 0.70 (0.41–1.29) |
Applied for disability pension | No | 1.39 (1.23–1.55) | −18.11 (−19.59 to −16.64) | 3.70 (2.90–4.50) |
On sick leave for > 6 weeks | No | 1.39 (1.18–1.60) | −13.47 (−15.37 to −11.58) | 1.72 (0.59–2.84) |
Change of workplace | No | 0.16 (0.01–0.30) | −4.44 (−5.67 to −3.21) | 1.93 (1.03–2.82) |
Less efficient at work | No | 1.13 (1.04–1.22) | −6.47 (−7.27 to −5.67) | 2.38 (1.98–2.78) |
Fear of not being able to work until retirement | No | 0.99 (0.90–1.09) | −5.23 (−6.06 to −4.40) | 1.21 (0.77–1.64) |
Working fewer hours | No | 0.03 (−0.09 to 0.15) | 0.26 (−0.84 to 1.35) | −1.59 (−2.13 to −1.04) |
Bold face indicates statistically significant influence on the outcome. RAID: Rheumatoid Arthritis Impact of the Disease (0–10); FFbH: Hannover functional status questionnaire (0–100); SJC: swollen joint count (0–48); BMI: body mass index.