Inclusion criteria (according to PCC question: population, concept, context)	Exclusion criteria
Population: Blue-collar workers (≥ 18 years old) in paid employment. A blue-collar worker is a working class person who performs manual labor (which may be skilled or unskilled)	White-collar workers, higher educated workers (university educated)
Concept: The facilitators and barriers of any intervention to prevent primary and secondary musculoskeletal complaints Barriers and facilitators: Factors are considered to be facilitators if their presence promotes workers’ participation in an intervention to promote healthier behavior Factors are considered to be barriers if they impede workers’ participation in an intervention to promote healthier behavior Primary and secondary prevention: To prevent musculoskeletal pain before it occurs (primary) or reduce its impact (secondary) Musculoskeletal complaints: Back, neck and shoulder pain or complaints Intervention: An action of process of intervening in health behavior Outcome: related to barriers and facilitators. Quantitative aspects related to musculoskeletal health (workplace health promotion / health education / prevention / physical fitness / posture / exercise / motor activity)	Tertiary prevention (the prevention of complications in people who have already developed disease and in whom disease prevention is no longer an option) Implementation of interventions that merely focus on safety (avoiding accidents) Strength, body mass index, work absenteeism, safety
Context: published articles from medical, vocational and social contexts Only the more economically developed countries with a human development index of 0.80 to 1.0 (very high) (United States, Canada, Japan, Australia, New Zealand and all the countries of Europe)	Interventions outside the blue-collar work setting, not related to musculoskeletal complaints
Study type: Reviews, intervention studies, randomized controlled trials or cohort studies, qualitative studies of interventions	Cross-sectional studies, case studies
Type of publication: Scientific peer-reviewed, published and listed in PubMed, Embase, Psych info, Cinahl, or Web of Science
Publication date: 2007–2022
Language: English