Table 1.

List of search themes and terms used for the searching strategies.

Search Themes	Search Terms
Health literacy	health literacy, education, literacy, safety literacy, competencies, competency, skill, skills, ability, abilities, capacities, capacity
Agriculture	agriculture, farm, farms, farmer, farming, farm worker, farmworker, ranch, dairy, dairies, dairying, greenhouse, orchard, livestock, livestock, farm animal, crop production, harvest, horticulture, agronomy, animal confinement, animal house
Farm safety	safety, safety practices, safety culture, safety measures, safety behaviors, health, health improvement, health promotion, health outcome, health condition, well-being, prevention, quality of life
Study design	allocated, assigned, clinical trial, comparative studies, controlled, controlled clinical trial, cross-over studies, experiment, intervention, placebo, pre-post, randomization, randomized controlled trial, RCT, observational, cohort, case-control