Table 6: Multiple lineal regression for work impairment.

Non standardized coefficients Standarized coefficientsIC 95% de B
B Standard errorβt Sig.Lower limitUpper limit

(Constant)10.84010.4701.0350.306−10.20031.880
HAQ21.6107.5680.5052.8560.0066.40236.818
EVA pain0.1110.1520.1030.7310.468−0.1950.418
DAS28−1.8422.948−0.096−0.6250.535−7.7674.082
RAQoL1.0940.5070.2762.1560.0360.0742.113
SENS0.1550.2130.0840.7280.470−0.2740.584
RA duration−0.0440.049−0.105−0.9070.369−0.1420.054

Dependent variable: percentage of overall productivity loss.