Table 1

Best and worse fitting items from the AS Work Instability Scale: Revalidation on First postal Questionnaire

Item

Location

Residual

Chi

Square

Probability*


I have got to watch how much I do certain things at work

-0.548

-0.499

0.064

0.968

When I'm feeling tired all the time, works a grind

0.534

-0.479

0.595

0.743

When I'm in pain it affects my concentration

-2.146

-0.070

4.521

0.104

My condition is worse when I get stressed at work

0.183

1.824

7.581

0.023


* Bonferroni adjusted level 0.0025.

Gilworth et al. BMC Musculoskeletal Disorders 2009 10:68   doi:10.1186/1471-2474-10-68

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