Table 4

Reliability: consistency of data on productivity losses (paid work: n=79)
Absolute agreement (%) Cohen’s Kappa Yes (%) ICC (95% CI)
Were you on sick leave? 87.3 0.654 25.3 -
Number of days off work during last 2 weeks 25.3 0.825
(0.553-0.940)
Sick leave episode > 2 weeks? 93.7 0.762 11.1 -
Were you impeded during paid work? 81.3 0.646 - -
Number of days at work while impeded - - 27.3 0.556
(0.224-0.771)
Efficiency rate* (at work while impeded) - - 27.3 0.729
(0.492-0.866)

- Not applicable; * Rate ranging from 1 to 10 indicating much to no influence of health problems on work performance.

Bouwmans et al.

Bouwmans et al. BMC Health Services Research 2013 13:217   doi:10.1186/1472-6963-13-217

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