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Table 2 Search strategy for the electronic database PubMed

From: Effects of nutrition intervention strategies in the primary prevention of overweight and obesity in school settings: a protocol for a systematic review and network meta-analysis

Search Query
#13 Search: #3 OR #6 OR #10 OR #11 Filters: Randomized Controlled Trial Sort by: Most Recent
#12 Search: #3 OR #6 OR #10 OR #11 Sort by: Most Recent
#11 Search: (“Child Nutrition Sciences”[MeSH Terms] AND (“School Health Services”[MeSH Terms] OR “Schools”[MeSH Terms] OR “school*”[all fields] OR “pre -school*”[Title/Abstract] OR “pre school*”[Title/Abstract] OR “kindergarten*”[Title/Abstract])) Sort by: Most Recent
#10 Search: #7 AND #8 AND #9 Sort by: Most Recent
#9 Search: (“Schools”[Mesh] OR “Students”[Mesh] OR school* [tiab] OR preschool* [tiab] OR pre-school* [tiab] OR kindergarten* [tiab]) Sort by: Most Recent
#8 Search: (nutr* [tiab] OR diet* [tiab] OR food* [tiab] OR feed* [tiab] OR intake* [tiab] OR consum*[tiab] OR eating [tiab] OR habit* [tiab]) Sort by: Most Recent
#7 Search: (health* [tiab] AND (promot* [tiab] OR “policy” [tiab] OR “policies” [tiab] OR educat* [tiab] OR environment* [tiab] OR curricul* [tiab] OR intervention* [tiab] )) Sort by: Most Recent
#6 Search: #4 OR #5 Sort by: Most Recent
#5 Search: “School based nutrition intervention*” [tiab] OR “school food polic*” [tiab] OR “school nutrition practice*” [tiab] OR “School Nutrition Polic*” [tiab] OR “school-based intervention*” [tiab] OR “school feeding program*”[tiab] OR “health-promoting school*” OR “school lunch*” [tiab] OR “cafeteria-based intervention*” [tiab] OR “school food service change*” [tiab] Sort by: Most Recent
#4 Search: (“nutrition polic*” [tiab] OR “nutrition promotion program*” [tiab] OR “Food Environment Polic*”[tiab] OR “food service intervention*” [tiab] OR “food service modificat*” [tiab] OR “Health behaviour intervention*” [tiab] OR “foodservice program*” [tiab] OR “nutrition curricul*” [tiab] OR “nutrition educat*” [tiab] OR “nutrition polic*” [tiab] OR “obesity prevention” [tiab] OR “Overweight prevention*” [tiab] OR “adiposity prevention*” [tiab] ) AND ( school* OR kindergarten) Sort by: Most Recent
#3 Search: #1 AND #2 Sort by: Most Recent
#2 Search: “Health Promotion” [MeSH] OR “Nutrition Policy” [MeSH] OR “Health Education”[Mesh] OR “Pediatric Obesity/prevention and control”[MeSH] OR “Obesity/prevention and control”[Mesh] Sort by: Most Recent
#1 Search: (“School Health Services”[Mesh] OR “Schools” [Mesh] OR “school*”[tiab] OR “pre-school*”[tiab] OR “pre school*”[tiab] OR “kindergarten*”[tiab]) Sort by: Most Recent