Factor | Frequency | Percentage |
Year of the study |
|
|
2000-2005 | 17 | 38 |
2006-2010 | 11 | 24 |
2011-2016 | 17 | 38 |
Type of study |
|
|
Cohort | 32 | 73 |
Cross-sectional | 8 | 18 |
RCTs | 3 | 7 |
Case-control | 1 | 2 |
Countries of the study |
|
|
Asia Pacific | 37 | 82 |
Pacific region | 5 | 11 |
United states | 3 | 7 |
Gender of participants |
|
|
Male and female | 15 | 33.3 |
Male | 2 | 4.5 |
Female | 9 | 20 |
Unknown | 19 | 42.2 |