Feasibility, reliability and validity of a questionnaire on healthcare consumption and productivity loss in patients with a psychiatric disorder (TiC-P)

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
Number of days off work during last 2 weeks			25.3	(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
Number of days at work while impeded	-	-	27.3	(0.224-0.771)
Efficiency rate* (at work while impeded)	-	-	27.3	0.729
Efficiency rate* (at work while impeded)	-	-	27.3	(0.492-0.866)

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

ISSN: 1472-6963