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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.
612 questions in 46 reviews · Work
current versionsNo 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 |
|---|---|---|---|
Nap interventions (1/2): Nap at night (single nap opportunity) vs no‐nap Sleepiness during the night shift, postintervention; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 49 participants | Low |
Nap interventions (1/2): Nap at night (single nap opportunity) vs no‐nap Sleepiness during the night shift, postintervention; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 7 participants | Very low |
Nap interventions (1/2): Nap at night (single nap opportunity) vs no‐nap Sleepiness during the night shift, postintervention; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 9 participants | Very low |
Nap intervention (2/2): Nap at night (two‐nap opportunities) vs no‐nap Sleepiness during the night shift, postintervention; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 15 participants | Low |
Light interventions (1/7): Bright light at night vs normal light (300 lux) Sleepiness during the night shift; postintervention measurement · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 90 participants | Low |
Other interventions (1/1): Physical exercise and sleep hygiene education vs wait‐list Sleep quality, postintervention, · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 32 participants | Moderate |
Light interventions (1/7): Bright light at night vs normal light (300 lux) Sleepiness during the night shift; postintervention measurement · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 16 participants | Low |
Light interventions (1/7): Bright light at night vs normal light (300 lux) Total sleep time, next day ‐ main sleep time only; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 15 participants | Low |
Light interventions (1/7): Bright light at night vs normal light (300 lux) Total sleep time, next day ‐ 24‐hr sleep time, including naps; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 15 participants | Low |
Light interventions (1/7): Bright light at night vs normal light (300 lux) Sleep efficiency, next day; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 15 participants | Low |
Light interventions (2/7): Bright light alone at night vs normal light (300 lux) plus placebo capsule Sleepiness during the night shift; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 14 participants | Very low |
Light interventions (2/7): Bright light alone at night vs normal light (300 lux) plus placebo capsule Total sleep time, next day; · Shift workers Person‐directed, non‐pharmacological interventions for sleepiness at work and sleep disturbances caused by… (2016) · Cochrane | no estimate extracted | 1 study · 15 participants | Very low |
Workplace interventions vs Usual care Time until first RTW Risk at return to work · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | HR 1.55 [1.2, 2.01] | 5 studies · 608 participants | Moderate |
Workplace interventions vs Usual care Time until lasting RTW Risk at return to work · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | HR 1.07 [0.72, 1.57] | 6 studies · 635 participants | Very low |
Workplace interventions vs Usual care Cumulative duration of sickness absence Days. Scale from: 0 to 365. Scale from: 0 to 365. · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | no estimate extracted | 8 studies · 1164 participants | High |
Workplace interventions vs Usual care Recurrences Risk at recurrences of sick leave · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | HR 0.42 [0.21, 0.82] | 1 study · 99 participants | Moderate |
Workplace interventions vs Usual care Functional status Roland disability questionnaire. outcome was measured on different scales in different studies. Scale from: 0 to 24. · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | no estimate extracted | 6 studies · 628 participants | Moderate |
Workplace interventions vs Usual care Depression Depression Anxiety Stress scale, and PHQ‐9 depression scale · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | no estimate extracted | 4 studies · 133 participants | Very low |
Workplace interventions vs Usual care Pain Visual Analogue Scale · Workers on sick leave Workplace interventions to prevent work disability in workers on sick leave (2015) · Cochrane | no estimate extracted | 5 studies · 531 participants | High |
Intervention NR Functional exercise capacity (Change in 6MWD) · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 53.81 [34.36, 73.26] | 2 studies · 39 participants | Very low |
Intervention NR Maximal exercise capacity (Change in peak work rate) Cardiopulmonary exercise test · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 9.54 | 2 studies · 38 participants | Very low |
Intervention NR Health‐related quality of life (Change in CRQ Dyspnoea) CRQ · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 2.58 [0.72, 4.44] | 2 studies · 39 participants | Very low |
Intervention NR Health‐related quality of life (Change in CRQ Fatigue) CRQ · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 1 [0.11, 1.89] | 2 studies · 39 participants | Very low |
Intervention NR Health‐related quality of life (Change in CRQ Emotional Function) CRQ · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 2.61 [0.74, 4.49] | 2 studies · 39 participants | Very low |
Intervention NR Health‐related quality of life (Change in CRQ Mastery) CRQ · people with dust‐related respiratory diseases Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… (2015) · Cochrane | MD 1.51 [0.29, 2.72] | 2 studies · 39 participants | Very low |
Intervention NR Employed at 12 months · Working age adults with HIV Interventions for improving employment outcomes for workers with HIV (2015) · Cochrane | OR 1.75 [1.44, 2.12] | 2 studies · 1084 participants | Very low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Role Overload · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing organisational characteristics vs no intervention Maslach Burnout Inventory‐ Emotional Exhaustion Scale from: 0 to 6. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 77 participants | Low |
Changing organisational characteristics vs no intervention Maslach Burnout Inventory‐ Depersonalisation Scale from: 0 to 6. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 76 participants | Low |
Changing organisational characteristics vs no intervention Maslach Burnout Inventory‐ Personal Accomplishment Scale from: 0 to 6. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 76 participants | Low |
Changing organisational characteristics vs no intervention Emotional Ability‐ Perceiving Emotions Scale from: 1 to 5. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 75 participants | Low |
Changing organisational characteristics vs no intervention Emotional Ability‐ Regulating Emotions Scale from: 1 to 5. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 76 participants | Low |
Multi‐component intervention vs no intervention Retention rates, 12 months, Cohort 1 Scale from: 0 to 100. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 1102 participants | Very low |
Multi‐component intervention vs no intervention Retention rates, 24 months, Cohort 1 Scale from: 0 to 100. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 881 participants | Very low |
Multi‐component intervention vs no intervention Retention rates, 36 months, Cohort 1 Scale from: 0 to 100. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 781 participants | Very low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Role Ambiguity · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Responsibility · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Vocational Strain · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Interpersonal Strain · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing task characteristics vs no intervention Occupational Stress Inventory ‐ Social Support · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing task characteristics vs no intervention Work Ability Index Scale from: 7 to 49. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 708 participants | Low |
Changing organisational characteristics vs no intervention Job‐rRelated Anxiety‐ 24 months Scale from: 1 to 6. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 59 participants | Very low |
Changing organisational characteristics vs no intervention Job‐related Depression‐ 24 months Scale from: 1 to 6. · Teachers Organisational interventions for improving wellbeing and reducing work‐related stress in teachers (2015) · Cochrane | no estimate extracted | 1 study · 59 participants | Very low |
Double gloves vs single gloves Inner glove perforations Water leak test or air test · healthcare personnel Gloves, extra gloves or special types of gloves for preventing percutaneous exposure injuries in healthcare… (2014) · Cochrane | Rate ratio 0.29 [0.23, 0.37] | 12 studies · 3437 participants | Moderate |
Double gloves vs single gloves Dexterity: outer glove perforations ‐ number of perforations Water leak test or air test · healthcare personnel Gloves, extra gloves or special types of gloves for preventing percutaneous exposure injuries in healthcare… (2014) · Cochrane | Rate ratio 1.1 [0.93, 1.31] | 8 studies · 2817 participants | Moderate |
Melatonin vs placebo Total sleep time, next day Diaries and actigraphy. Scale from: 120 to 600. · patients with sleep disturbances caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane | no estimate extracted | 7 studies · 263 participants | Low |
Melatonin vs placebo Total sleep time, next night Diaries and actigraphy. Scale from: 120 to 800. · patients with sleep disturbances caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane | no estimate extracted | 3 studies · 234 participants | Low |
Melatonin vs placebo Sleep onset latency, next day Diaries and actigraphy. Scale from: 0 to 120. · patients with sleep disturbances caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane | no estimate extracted | 5 studies · 74 participants | Low |
Melatonin vs placebo Sleepiness during the night shift KSS Scale from: 1 to 9. · patients with sleep disturbances caused by shift work Pharmacological interventions for sleepiness and sleep disturbances caused by shift work (2014) · Cochrane | no estimate extracted | 1 study · 34 participants | Low |
Armodafinil vs placebo Sleepiness during the night shift KSS at final visit. 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 | 2 studies · 572 participants | Moderate |