Characteristic of the publication | Number of publications (%) | Publication reference list |
---|---|---|
Year of publication | ||
 1990–1999 | 5/47 | |
 2000–2009 | 19/47 |  |
 2010–2016 | 23/47 | [37, 44, 46, 49,50,51,52,53,54, 58, 61, 63, 66, 65,66,67, 69, 71, 79,81,82,83,84] [41, 42, 44, 45, 48, 51, 56, 60, 71, 73] |
Location of the study | ||
 Africa | 2/47 | |
 Australia | 4/47 | |
 East Asia | 3/47 | |
 Europe | 9/47 | |
 Latin America | 1/47 | [79] |
 Middle East | 2/47 | |
 North America | 18/47 | [39, 42, 48,49,50,51, 54, 55, 63, 64, 66,67,68, 70, 74, 78, 80, 83] |
 South Asia | 1/47 | [62] |
 Multiple locations (systematic reviews) | 7/47 | |
Sample Size | ||
  < 30 | 4/47 | |
 30–99 | 9/47 | |
 100–499 | 14/47 | |
 500–999 | 3/47 | |
 1000–4999 | 11/47 | |
  > 5000 | 6/47 |