Table 5

Correlations between measures of the activity limitation dimension and contextual factors

Contextual factors
EducationAgeComorbiditiesSF-36 VTSF-36 MH
For all Spearman's rs, *p<0.05; **p<0.0001.
SF-36 VT, Vitality; SF-36 MH, mental health. For other abbreviations, see table 2.
Impairment
    SF-36 BP 0.10* 0.00NS 0.20** 0.60** 0.38**
    DAS28 0.00NS 0.08*−0.10*−0.39**−0.25**
    RADAI−0.06NS−0.04NS−0.16**−0.50**−0.39**
    x Ray score 0.08NS 0.19**−0.05NS−0.06NS 0.02NS
Activity
    HAQ−0.14** 0.13**−0.23**−0.52**−0.30**
    SF-36 PF 0.13**−0.14** 0.26** 0.54** 0.34**
Participation
    SF-36 SF 0.03NS 0.04NS 0.18** 0.57** 0.63**
    SF-36 RE 0.11* 0.00NS 0.19** 0.46** 0.57**
    SF-36 RP 0.06NS−0.09* 0.20** 0.56** 0.38**