Table 1 Frequency of food types and main research topics in published studies about food hygiene in Iranian and international environmental health journals (2008–2021)
Variables | Level | Iranian environmental health journals | International environmental health journals | ||
|---|---|---|---|---|---|
Number | Percentage | Number | Percentage | ||
Kinds of food | Seafood | 48 | 32 | 40 | 23.8 |
Agricultural products | 48 | 32 | 57 | 33.93 | |
Dairy products | 20 | 13.33 | 16 | 9.52 | |
Drinks | 13 | 8.67 | 22 | 13.1 | |
Canned food | 10 | 6.66 | 15 | 8.92 | |
Food products | 7 | 4.67 | 8 | 4.77 | |
Livestock products | 4 | 2.67 | 10 | 5.96 | |
The main topic of research in the articles | Determination of heavy metal concentration | 59 | 39.34 | 39 | 23.2 |
Determine the amount of chemicals | 46 | 30.66 | 58 | 34.52 | |
Microbial tests | 22 | 14.66 | 35 | 20.83 | |
Knowledge, attitude, and practice of people about food hygiene | 5 | 3.34 | 9 | 5.35 | |
Microbial testing and determination of heavy metal concentrations | 18 | 12 | 27 | 16.1 | |