Table 1 Search strategy developed for the MEDLINE database

1

MeSH terms:

Shift work schedule/ or Work schedule tolerance/ or "Personnel staffing and scheduling"/ or Workload/

2

(("personnel staffing" adj2 scheduling) or "work schedule?" or workschedule? or ((shift or shiftwork* or "shift work*") adj (schedule? or system? or pattern? or arrangement? or work* or plan* or roster? or rota?)) or "work table?" or worktable? or ((night or overnight or evening or afternoon or "after noon" or "early morning?" or rotat* or rotary or irregular or "non standard" or nonstandard) adj1 (work* or shift? or shiftwork* or "shift work*" or schedule?)) or nightshift? or nightwork* or overnightwork* or overnightshift? or (work* adj (time? or hour? or week*)) or worktime? or workhour? or workweek* or "split shift?" or "swing shift?" or "long shift?" or "extended work hour?" or "extended workhour?" or "roster work*" or "short rest" or "quick return?" or ((employee or staff) adj ("work load?" or workload?))).tw,kf.

3

1 or 2

4

MeSH terms:

Sick leave/ or Absenteeism/ or Presenteeism/

5

(((disability or sick* or medical or injur* or absen*) adj (leave? or day? or absen* or spell or episode? or list*)) or "day off" or (work adj3 (absen* or "day loss" or "time loss")) or Presenteeism or presenteism or "sickness presence" or ("working while" adj (ill or sick))).tw,kf.

6

4 or 5

7

3 and 6

8

Occupational health/ or ((employee or occupational) adj health).tw,kf.

9

7 and 8

10

7 or 9

11

limit 10 to "reviews (maximizes specificity)"

12

Meta-Analysis/ or Network Meta-Analysis/ or ((systematic* adj2 review*) or metaanal* or "meta anal*" or (review and ((structured or database* or systematic*) adj2 search*)) or "integrative review*" or (evidence adj2 review*)).tw,kf,bt.

13

11 or (10 and 12)

14

10 not 13

15

limit 14 to (danish or dutch or english or french or german or interlingua or italian or multilingual or norwegian or spanish or swedish)