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Table 4 EMBASE search strategy

From: A systematic review of strategies to increase access to health services among children in low and middle income countries

Concept Number of hits
A. Population
 1. child/ 1529952
 2. infant/ 588992
 3. exp paediatrics/ 95214
 4. (child* or infant* or p?ediatric*).ti,ab 1934384
 5. exp handicapped child/ 8130
 6. (“children with disabilit*” or “people with disabilit*” or pwd or “persons with disabilit*” or “individuals with disabilit”).ab,ti. 6255
 7. exp adolescent/ 1328092
 8. “adolescen*”.ti, ab. 258384
 9. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 3306882
B. Intervention - Setting
 10. exp health program/ 98631
 11. exp health service/ 4080400
 12. exp health promotion/ 76003
 13. exp rehabilitation/ 291352
 14. exp immunization/ 257019
 15. exp health care/ 3838165
 16. (“health adj5 access” or “community hospital” or “health care” or “health services” or “rehabilitat*” or therap* or treatment).ab,ti. 6644190
 17. 10 or 11 or 12 or 13 or 14 or 15 or 16 9451205
C. Intervention - Strategies
 18. (barrier* or facilitator* or uptake or usage or intake or access* or adherence or compliance or complian* or adher* or promot* or increas* OR prevent* or reduc* or program* or educat* or campaign* or predict* or determin* or behavio#r*).ab,ti. 12511153
 19. ((barrier* or facilitator* or uptake or usage or intake or access* or adherence or compliance or complian* or adher* or promot* or increas* OR prevent* or reduc* or program* or educat* or campaign* or predict* or determin* or behavio#r*) adj3 (health* or ill or illness or ills or well or wellbeing or wellness or poorly or unwell or sick* or disease*)).ab,ti. 576682
 20. 18 or 19 1251153
D. Study design
 21. Clinical trial/ 859727
 22. exp controlled clinical trial/ 530729
 23. exp experimental design/ 12337
 24. exp experiment/ 2254758
 25. exp feasibility study/ 61100
 26. “clinical trial”.ab,ti. 129856
 27. “controlled clinical trial”.ab,ti. 12879
 28. “randomi#ed controlled trial”.ab,ti. 70586
 29. randomi#ed.ab,ti. 588698
 30. (trial or rct).ab,ti. 582657
 31. “intervention study”.ab,ti. 8364
 32. “quasi randomi#ed”.ab,ti. 3127
 33. ((clin* or control* or compar* or evaluat* or prospectiv*) adj3 (trial* or studi* or study)).ab,ti. 2116839
 34. 21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 5055412
E. Country
 35. exp Developing Country/ 83201
 36. (asia or africa or “south america” or “developing count*” or “low middle income countr*”).ti. 55505
 37. 35 or 36 125953
 A + B + C + D + E
 38. 9 and 17 and 20 and 34 and 37 1961