Table 2

Final logistic regression model A (including SF-36 summary scores to base model) and model B (including HAQ to base model) for clinical remission at 6months for MTX-naive subjects at entry

Predictorslog(OR)SE of log(OR)OR95% CI for ORp-value
Final Model A (inclusion of SF-36 summary components to base model)
Intercept*
Age at Entry, years−0.02490.00760.980.96 to 0.990.0010
Disease Duration, years−0.00330.03001.000.94 to 1.060.9125
Gender Male v Female0.97930.19532.661.82 to 3.90<0.0001
Ethnicity White v Rest1.34890.49573.851.46 to 10.20.0065
DAS28-ESR at Baseline−0.36160.08910.700.58 to 0.83<0.0001
Rheumatoid Factor Positivity Yes v No−0.13520.20160.870.59 to 1.300.5024
Randomised to MTX at start* Yes v No
Randomised to or on csDMARD at start Yes v No0.18090.27261.200.70 to 2.040.5070
Randomised to Glucocorticoids at start Yes v No1.33750.29263.812.15 to 6.76<0.0001
 On Background Glucocorticoids at start Yes v No0.24780.48571.280.49 to 3.320.6099
 SF-36 Physical Summary Score0.04230.01181.041.02 to 1.070.0003
 SF-36 Mental Summary Score0.02090.00761.021.01 to 1.040.0063
Final Model B (Inclusion of HAQ to base model)
 Intercept*
 Age at Entry, years−0.01910.00750.980.97 to 1.000.0109
 Disease Duration, years−0.00320.02991.000.94 to 1.060.9157
 Gender Male v Female0.85510.19452.351.61 to 3.44<0.0001
 Ethnicity White v Rest1.37560.49373.961.50 to 10.40.0053
 DAS28-ESR at Baseline−0.34890.09040.710.59 to 0.840.0001
 Rheumatoid Factor Positivity Yes v No−0.13520.20080.870.59 to 1.290.5009
 Randomised to MTX at start* Yes v No
 Randomised or on csDMARD at start Yes v No0.17890.27141.200.70 to 2.040.5097
 Randomised to Glucocorticoids at start Yes v No1.39760.29204.052.28 to 7.17<0.0001
 On Background Glucocorticoids at start Yes v No0.37780.48291.460.57 to 3.760.4340
 HAQ−0.63250.16160.530.39 to 0.73<0.0001
  • *Estimates and SE are not estimable. MTX usage during study has been adjusted for in models. Majority of MTX-naïve subjects at trial entry received MTX during study (93%).xMark as

  • csDMARD, conventional synthetic disease-modifying antirheumatic drug; DAS28, DiseaseActivity Score 28; ESR, erythrocyte sedimentation rate; HAQ, Health AssessmentQuestionnaire; MTX, methotrexate.