|
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
| | |
- NA not applicable or not reported
