Appendix 1. MEDLINE search strategy

1. stereotyping/

2. (stereotyp* or stigma* or label* or negative image* or ignoran* or misconception* or misperception* or literacy or ((public* or community or social or popular) adj perception*)).tw.

3. social perception/

4. public opinion/

5. prejudice/

6. exp attitude/

7. ((public* or community or social or popular) adj attitude*).tw.

8. (((negative or positive or chang*) adj3 attitude*) or prejudice* or hostil* or intoleran*).tw.

9. social distance/

10. rejection psychology/

11. human rights/

12. (rights or discriminat* or marginali* or rejecting behavior or injustice* or (social adj (distance or justice or rejection or acceptance or exclusion or inclusion))).tw.

13. or/1‐12

14. mental health/

15. mental health services/

16. exp mental disorders/

17. mentally ill persons/

18. ((mental* or psychiatr* or psychological* or developmental* or learning or substance*) adj (ill* or disorder* or disease* or distress* or disab* or problem* or health* or well‐being or wellbeing or patient* or treatment or retardation)).tw.

19. ((chronic* or severe* or serious* or persistent) adj (mental* or psychiatr* or psychological*)).tw.

20. (emotional adj3 (disorder* or problem*)).tw.

21. (psychos#s or psychotic* or schizo* or depression or depressive or bipolar or mania or manic or obsessi* or panic or phobic or phobia or anorexi* or bulimi* or borderline or narcissis* or personality adj1 disorder or self injur* or self harm or dementia or substance abuse).tw.

22. or/14‐21

24. exp mass media/

25. (mass communication or media or broadcast* or radio or television or cinema or film* or movie* or trailer* or journalis*).tw.

26. serial publications/

27. (newspaper* or magazin* or newsletter* or press).tw.

28. journalism/

29. publishing/

30. communications media/

31. telecommunications/

32. electronic mail/

33. (electronic mail* or email* or e‐mail* or webmail* or mailing list* or discussion list* or listserv*).tw.

34. cellular phone/

35. (((mobile or cell* or wireless) adj (phone* or telephone*)) or text messag* or texting or texted or sms or mms).tw.

36. tape recording/

37. optical storage devices/

38. multimedia/

39. (audio* or video* or cassette* or tape* or dvd* or compact dis* or cd or cds or multimedia or multi media).tw.

40. internet/

41. (internet or web or website* or online or blog* or weblog* or podcast* or portal* or e‐communication* or electronic communication* or computer program* or computer mediated).tw.

42. video games/

43. video recording/

44.(apps or facebook or twitter or tweet or bebo or youtube or myspace or chatroom or chatroom or viral message or viral advert or wiki* or virtual*).tw.

45. software/

46. hypermedia/

47. user computer interface/

48. computer assisted instruction/

49. books/

50. pamphlets/

51. (pamphlet* or booklet* or leaflet* or flyer* or brochure* or print* media or print* material* or publication*).tw.

52. publications/

53. government publications as topic/

54. information dissemination/

55. (information adj2 (distribut* or disseminat*)).tw.

56. advertising as topic/

57. public relations/

58. persuasive communication/

59. famous persons/

60. ((famous adj (person* or people)) or celebrit*).tw.

61. social marketing/

62. (campaign* or message* or advert* or marketing or public relation* or publicity or public information or (communication adj (program* or strateg*)) or positive framing or (rais* adj2 awareness)).tw.

63. virtual or indirect or record* or film* or audio*) adj10 (social contact or testimony* or stor* or account* or experience* or narrative* or play or theat*)

64. Health promotion /

65. ((community or broadbased or broad based or public) adj3 education program*).tw.

66. (poster* or billboard* or  ribbon* or button* or badge* or visual art* or street art* or  (promotion* adj (item* or material*)) or festival* or entertainment).tw.

67. or/ 24‐66

68. 13 and 23 and 67

69. randomized controlled trial.pt.

70. controlled clinical trial.pt.

71. random*.tw.

72. placebo*.tw.

73. trial.tw.

74. groups.ab.

75. evaluation studies.pt.

76. evaluat*.tw.

77. follow up studies/

78. prospective studies/

79. (experiment* or intervention*).tw.

80. (pre test or pretest or post test or posttest).tw.

81. (preintervention or postintervention).tw.

82. time series.tw.

83. time point*.tw.

84. or/69‐83

85. exp animals/ not humans.sh.

86. 84 not 85

87. 68 and 86