Table 3

Search strategy for Medline

#Search syntax
Digital Technology
2exp Webcasts/
3exp Web Browser/
4exp Video Games/
5exp Virtual Reality/
6exp Social Media/
7exp Smartphone/
8exp Online Social Networking/
9exp Mobile Applications/
10exp Electronic Mail/
11exp Data Visualization/
12exp “Cell Phone Use”/
13exp Cell Phone/
14exp Blogging/
15exp 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.
251 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.
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.
3326 or 27 or 28 or 29 or 30 or 31 or 32
3425 and 33
35limit 34 to english language
36limit 35 to yr=“2000-Current”