Table 4

Predictors from baseline assessment of eight month outcome (n=66)

Same or worseImprovedp Value
*Student’s t test.
†χ2test.
‡Kruskall Wallis test for comparison of medians and non-parametric confidence intervals.
§Emotional disorder is any of the following DSM IV diagnoses: major depressive disorder, minor depressive disorder, dysthymia, panic disorder, generalised anxiety disorder, anxiety disorder NOS as identified on the PRIME MD interview.
CI, confidence interval; DSM IV, Diagnostic and Statistical Manual of Mental Disorders, 4th edition; PRIME MD, primary care evaluation of mental disorders; SF-36, short form 35 item medical outcome study scale. 1
Number (per cent, 95% CI)36 (55%, 42% to 67%)30 (45%, 33% to 58%)
Mean age (years) (95% CI)43 (39 to 47)39 (35 to 43)0.4*
Number male (per cent, 95% CI)11 (31%, 16% to 48%)13 (43%, 26% to 63%)0.3†
Median SF-36 score (95% CI)
    Physical function68 (45 to 90)85 (70 to 95)<0.02
    Physical role functioning37 (0 to 75)37 (0 to 100)0.6‡
    Bodily pain41 (32 to 62)62 (41 to 74)0.1‡
    Social function62 (50 to 62)75 (50 to 100)0.1‡
Number with emotional disorder§ at baseline assessment (per cent, 95% CI)26 (72%, 61 to 83%)18 (60%, 48 to 72%)0.3†