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Table 1 Assessments of potential sick leave reduction by modifications to working conditions.

From: Reliability of sickness certificates in detecting potential sick leave reduction by modifying working conditions: a clinical epidemiology study

  

Officers answers of

Consultants answers of

Assessment based on-

Number of sick leave forms

Number of assessmentsa

Uncertain %

Yes % (95% CI)

Yes % Minimum Maximum

Number of assessmentsa

Uncertain %

Yes % (95% CI)

Yes % Minimum Maximum

Sickness Certificate 1 (SC1)

501

990

24.9

30.1 (26.1, 34.4)

23.9, 41.8

992

20.2

22.1 (18.6, 26.1)

8.5, 35.4

SC1 + additional history of sick-leave

498

991

24.4

30.5 (26.5, 34.8)

19.4, 43.7

989

21.1

20.6 (17.2, 24.5)

8.1, 39.8

Subgroup SC1 + occupation not notified

221

436

35.6

24.5 (18.9, 30.6)

13.8, 41.2

439

31.9

15.7 (11.2, 21.3)

6.0, 25.3

Subgroup SC1 + special notification from the practitioner

24

48

20.8

47.9 (27.4, 69.0)

23.1, 83.3

48

16.7

41.7 (22.1, 63.4)

25.0, 58.3

SC1 in Sickness Certificate 2 subgroup

343

679

25.5

32.7 (27.7, 37.9)

25.7, 39.4

684

19.2

25.4 (20.8, 30.3)

12.0, 38.8

Sickness Certificate 2

343

680

17.9

34.6 (29.6, 39.9)

26.2, 44.3

683

15.4

28.3 (23.6, 33.4)

19.8, 36.8

  1. a Missing assessments produce inconsistencies between the number of sick-listed subjects and the number of assessments. Assessments by NIO officers and medical consultants of whether modified working conditions might reduce the ongoing sick leave based on different levels of information. Proportions of yes and uncertain results are presented as means.