Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

612 questions in 46 reviews · Work

current versions
No studies 78 · 12.7%Ungraded 4 · 0.7%Very low 295 · 48.2%Low 182 · 29.7%Moderate 49 · 8%High 4 · 0.7%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Training vs no intervention
Well‐being Higher score better Short‐term cRCT
Human resource management training of supervisors for improving health and well‐being of employees (2019) · Cochrane
no estimate extracted337 participantsVery low
Training vs no intervention
Well‐being Higher score better Short‐term CBA
Human resource management training of supervisors for improving health and well‐being of employees (2019) · Cochrane
no estimate extracted143 participantsVery low
Training vs no intervention
Well‐being Higher score better Mid‐term cRCT + RCT On the job/interaction training
Human resource management training of supervisors for improving health and well‐being of employees (2019) · Cochrane
no estimate extracted1 study · 77 participantsVery low
Training vs no intervention
Well‐being Higher score better Mid‐term cRCT + RCT Off the job/interaction training
Human resource management training of supervisors for improving health and well‐being of employees (2019) · Cochrane
no estimate extracted3 studies · 601 participantsVery low
Sit‐stand desk vs no intervention
Mean difference in low back pain · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 79 participantsLow
Activity tracker vs alternate intervention or no intervention
Mean difference in neck pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 33 participantsLow
Activity tracker vs alternate intervention or no intervention
Mean difference in shoulder pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 31 participantsLow
Multi‐component intervention vs no intervention
Proportion of participants with low back pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 0.93 [0.69, 1.27]3 studies · 107 participantsLow
Multi‐component intervention vs no intervention
Proportion of participants with upper back pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 0.88 [0.4, 1.96]2 studies · 40 participantsLow
Multi‐component intervention vs no intervention
Proportion of participants with neck pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 1 [0.76, 1.32]3 studies · 115 participantsLow
Multi‐component intervention vs no intervention
Proportion of participants with shoulder pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 0.83 [0.12, 5.8]2 studies · 66 participantsVery low
Sit‐stand desk vs no intervention
Mean difference in upper back pain · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 71 participantsLow
Sit‐stand desk vs no intervention
Mean difference in neck and shoulder pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted1 study · 31 participantsLow
Sit‐stand desk vs no intervention
Mean difference in physical disability caused by LBP, RMDQ score · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted1 study · 46 participantsLow
Treadmill workstation vs no intervention
Proportion of participants with low back pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 1.05 [0.5, 2.19]1 study · 11 participantsLow
Treadmill workstation vs no intervention
Proportion of participants with neck pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 1.25 [0.56, 2.77]1 study · 14 participantsLow
Treadmill workstation vs no intervention
Proportion of participants with shoulder pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
RR 1.13 [0.51, 2.5]1 study · 10 participantsLow
Activity tracker vs alternate intervention or no intervention
Mean difference in low back pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 31 participantsLow
Activity tracker vs alternate intervention or no intervention
Mean difference in upper back pain/discomfort · sedentary workers with musculoskeletal symptoms
Workplace interventions for increasing standing or walking for decreasing musculoskeletal symptoms in… (2019) · Cochrane
no estimate extracted2 studies · 23 participantsLow
Additional work breaks vs no additional work breaks
Participant‐reported musculoskeletal pain, discomfort or fatigue Method: 0‐100 mm VAS or 1‐5 NRS · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted3 studies · 225 participantsLow
Additional work breaks vs no additional work breaks
Productivity or work performance Method: total number of documents entered per day, or keystrokes per hour, or WRFQ · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted3 studies · 225 participantsVery low
Additional work breaks vs work breaks
Participant‐reported musculoskeletal pain, discomfort or fatigue Method: 0‐100 mm VAS · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Additional work breaks vs work breaks
Productivity or work performance Method: number of words typed per 3 hours · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Additional higher frequency work breaks vs additional lower frequency work breaks
Participant‐reported musculoskeletal pain, discomfort or fatigue Method: 0‐100 mm VAS · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 10 participantsVery low
Additional higher frequency work breaks vs additional lower frequency work breaks
Productivity or work performance Method: number of words typed per 3 hours · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 10 participantsVery low
Active work breaks vs passive work breaks
Participant‐reported musculoskeletal pain, discomfort or fatigue Method: 1‐7 NRS · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 153 participantsLow
Relaxation work breaks vs physical work breaks
Participant‐reported musculoskeletal pain ,discomfort or fatigue Method: 1‐7 NRS · office workers
Work‐break schedules for preventing musculoskeletal symptoms and disorders in healthy workers (2019) · Cochrane
no estimate extracted1 study · 97 participantsLow
Longer self‐certification vs shorter self‐certification
RCT: Average duration of sickness absence periods in days · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted1 study · 237391 participantsLow
Longer self‐certification vs shorter self‐certification
CBA: Average duration of sickness absence periods in days · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted2 studies · 1869 participantsVery low
Longer self‐certification vs shorter self‐certification
RCT: Number of sickness absence periods per worker · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted1 study · 237391 participantsLow
Longer self‐certification vs shorter self‐certification
CBA: Number of sickness absence periods per worker · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted2 studies · 1869 participantsVery low
Longer self‐certification vs shorter self‐certification
RCT: Average lost work time per 100 person‐years · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted1 study · 237391 participantsLow
Longer self‐certification vs shorter self‐certification
CBA: Average lost work time per 100 person‐years · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted4 studies · 17114 participantsVery low
Longer self‐certification vs shorter self‐certification
RCT: Costs of sickness absence and physician certification · workers
Self‐certification versus physician certification of sick leave for reducing sickness absence and associated… (2019) · Cochrane
no estimate extracted1 study · 237391 participantsLow
Intervention NR
Fatal injuries Change in level · workers in various occupations
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fatal injuries · employees of the companies with Washington Drug‐Free Workplace (WDFW) Program
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐fatal injuries Change in level · employees of the companies with Washington Drug‐Free Workplace (WDFW) Program
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Non‐fatal injuries Change in slope · employees of the companies with Washington Drug‐Free Workplace (WDFW) Program
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fatal injuries · workers in the construction industry
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐fatal injuries · workers in the construction industry
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Non‐fatal injuries Change in level · workers in the construction industry
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Non‐fatal injuries Change in slope · workers in the construction industry
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fatal injuries · workers of reconstruction site
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐fatal injuries Change in level · workers of reconstruction site
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Non‐fatal injuries Change in slope · workers of reconstruction site
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fatal injuries Change in slope · workers in various occupations
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fatal injuries · population working in construction companies
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
At baseline · population working in construction companies
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extracted1 participantsVery low
Intervention NR
At · population working in construction companies
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extracted1 participantsVery low
Intervention NR
Non‐fatal injuries Change in level · workers in various occupations
Interventions to prevent injuries in construction workers (2018) · Cochrane
no estimate extractedNRVery low