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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.

Population

Intervention or exposure

Comparison

Outcome

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Review versions

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.

Question	Effect	Evidence	Status / GRADE
Armodafinil vs placebo Sleep latency MSLT. Scale from: 0 to 20 minutes. · patients with sleepiness caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane	no estimate extracted	1 study · 216 participants	Low
Modafinil vs placebo Sleepiness during the night shift KSS. Scale from: 1 to 9. · patients with sleepiness caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane	no estimate extracted	1 study · 183 participants	Moderate
Modafinil vs placebo Sleep latency MSLT. Scale from: 0 to 20 minutes. · patients with sleepiness caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane	no estimate extracted	1 study · 153 participants	Low
Job loss prevention vs control intervention Job loss Self report by questionnaire · people with IA Non‐pharmacological interventions for preventing job loss in workers with inflammatory arthritis (2014) · Cochrane	no estimate extracted	2 studies · 340 participants	Very low
Job loss prevention vs control intervention Sickness absenteeism Self reported no workdays missed in past month. Scale from: 0 to 22. · people with IA Non‐pharmacological interventions for preventing job loss in workers with inflammatory arthritis (2014) · Cochrane	no estimate extracted	1 study · 32 participants	Very low
Job loss prevention vs control intervention Work functioning Rheumatoid Arthritis Work Instability Scale. Scale from: 0 to 23 (higher score = worse work functioning) · people with IA Non‐pharmacological interventions for preventing job loss in workers with inflammatory arthritis (2014) · Cochrane	no estimate extracted	1 study · 32 participants	Very low
Inspection vs no intervention Fatal and non‐fatal injuries in RCT, short‐term · firms potentially subject to inspection Occupational safety and health enforcement tools for preventing occupational diseases and injuries (2013) · Cochrane	RR 1.04 [0.9, 1.21]	NR	Low
Inspection vs no intervention Fatal and non‐fatal injuries in CBA, medium‐term · firms potentially subject to inspection Occupational safety and health enforcement tools for preventing occupational diseases and injuries (2013) · Cochrane	RR 0.87 [0.75, 1.02]	NR	Low
Inspection vs no intervention Fatal and non‐fatal injuries in CBA, long‐term · firms potentially subject to inspection Occupational safety and health enforcement tools for preventing occupational diseases and injuries (2013) · Cochrane	RR 0.77 [0.64, 0.92]	NR	Low
Inspection vs no intervention Fatal and non‐fatal crashes, ITS‐level Crash data · firms potentially subject to inspection Occupational safety and health enforcement tools for preventing occupational diseases and injuries (2013) · Cochrane	no estimate extracted	NR	Low
Inspection vs no intervention Fatal and non‐fatal crashes, ITS‐slope Crash data · firms potentially subject to inspection Occupational safety and health enforcement tools for preventing occupational diseases and injuries (2013) · Cochrane	no estimate extracted	NR	Low
Blunt needles vs sharp needles glove perforations per surgeon per operation · surgical staff Blunt versus sharp suture needles for preventing percutaneous exposure incidents in surgical staff (2011) · Cochrane	RR 0.46 [0.38, 0.54]	10 studies · 2961 participants	High