|
Studies
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
|---|
|
Gessner and Chimonas [12]
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Lu et al. [18]
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Wang et al. [20]
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Kalen et al. [14]
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Koshy et al. [24]
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Miyake and Tanaka [15]
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
- For cross-sectional studies, 1, inclusion criteria of subjects; 2, describe the study subjects and site; 3, assessment of exposure factors; 4, assessment of health problems; 5, clarification of confounding factors; 6, control confounding factors; 7, evaluation of outcome indicators; 8, appropriate data analysis methods
