Table 3

Convergent validity between θR-CAT and subscale and total scores of the four original questionnaires.

Total/section scores

θR-CAT Body Functions

θR-CAT Activity-Participation


WHODAS II – Understanding and communicating

0.587**

0.396**

WHODAS II – Getting around

0.437**

0.801**

WHODAS II – Self care

0.391**

0.642**

WHODAS II – Getting along with people

0.382**

0.321**

WHODAS II – Getting along with people (without sexual activities item)

0.260*

0.071

WHODAS II – Life activities (without work items)

0.423**

0.647**

WHODAS II – Participation in society

0.549**

0.697**

WHODAS II – Total (without work and sexual items)

0.667 **

0.820**

ODI

0.531**

0.724**

RDQ

0.639**

0.748**

NHP Energy

0.595**

0.424*

NHP Pain

0.659**

0.547**

NHP Emotional

0.892**

0.422**

NHP Sleep

0.737**

0.424**

NHP Social Isolation

0.809**

0.422**

NHP Physical Mobility

0.510**

0.708**


*: ≤ 0.01, **: ≤ 0.001

WHODAS II: World Health Organization Disability Assessment Schedule II, ODI: Oswestry Disability Index, RDQ: Roland Morris Low Back Pain Disability Questionnaire, NHP: Nottingham Health Profile.

Expressed as Spearman's correlation (n = 91).

Elhan et al. BMC Musculoskeletal Disorders 2008 9:166   doi:10.1186/1471-2474-9-166

Open Data