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. 2020 Apr 22;10(4):e036241. doi: 10.1136/bmjopen-2019-036241

Table 3.

Search strategy for Medline

# Search syntax
Digital Technology
1 internet/
2 exp Webcasts/
3 exp Web Browser/
4 exp Video Games/
5 exp Virtual Reality/
6 exp Social Media/
7 exp Smartphone/
8 exp Online Social Networking/
9 exp Mobile Applications/
10 exp Electronic Mail/
11 exp Data Visualization/
12 exp “Cell Phone Use”/
13 exp Cell Phone/
14 exp Blogging/
15 exp Attitude to Computers/
16 (blog* or microblog*).ab, kw, ti.
17 (cyber* or virtual or digital*).ab, kw, ti.
18 ((digital or new) adj media).ab, kw, ti.
19 “information technolog*".ab, kw, ti.
20 (smartphone* or mobile* or touchscreen* or wearable*).ab, kw, ti.
21 (social adj (media or network*)).ab, kw, ti.
22 (web-based or online or on-line).ab, kw, ti.
23 (website* or web site* or webpage* or web page*).ab, kw, ti.
24 (Facebook or Instagram* or Twitter or tweet* or Snapchat or YouTube or Reddit or WhatsApp or TikTok or Tumblr or Pinterest or LinkedIn).ab, kw, ti.
25 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24
Food Environments
26 ((food or nutrition* or eating or obesogenic) adj environment*).ab, kw, ti.
27 (food adj (desert* or swamp*)).ab, kw, ti.
28 (food adj1 (accept* or access* or acqui* or ad or ads or advertis* or aesthetic* or afford* or attitude* or availab* or brand* or choice* or composition or consumption or convenience or cost* or cultur* or desir* or knowledge* or label* or marketing or outlet* or packag* or perception* or practice* or preference* or prepar* or price* or pricing* or process* or promot* or provision* or purchas* or quality or retail or sale* or selection or service* or shop* or sponsorship* or stall* or store* or tast* or vendor*)).ab, kw, ti.
29 (food porn or foodporn or gastroporn).ab, kw, ti.
30 “foodscape*".ab, kw, ti.
31 (cafe* or canteen* or restaurant* or supermarket* or takeaway* or take-away or vending machine* or kiosk*).ab, kw, ti.
32 (grocery adj (shop* or store*)).ab, kw, ti.
33 26 or 27 or 28 or 29 or 30 or 31 or 32
34 25 and 33
35 limit 34 to english language
36 limit 35 to yr=“2000-Current”