Data Collection | |||
---|---|---|---|
Region | n | Year of data collection | n |
 USA | 18 |  2015–2020 | 1 |
 Canada | 3 |  2010–2015 | 13 |
 Europe | 7 |  2005–2010 | 12 |
 Asia | 4 |  < 2005 | 4 |
 Australia | 3 |  Long-term/cohort-follow-up | 2 |
 South America | 1 |  NA | 3 |
Setting | Sample size | ||
 Urban | 21 |  ≤ 100 | 2 |
 Peri-urban (combination of urban and suburban) | 2 |  101–300 | 7 |
 Suburban | 3 |  301–500 | 5 |
 Rural | 0 |  501–1000 | 10 |
 NA | 6 |  1001–2500 | 5 |
Study design |  > 2500 | 5 | |
 Cross-sectional study | 29 |  NA | 1 |
 Longitudinal/observational study | 4 |  |  |
 Cluster-randomized intervention trial | 2 |  |  |