Table A2.
Scores and criteria of cross-sectional studies through the NOS scale.
| Selection | Compatibility | Outcome | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Study (First Author) | Representativenesof the Sample | Sample Size | Non-Respondents | Acertainment of Exposure | Subtotal | Based on Design and Analysis | Subtotal | Assessment of Outcome | Statistical Test | Subtotal | Total | Risk of Bias |
| Ammar et al., 2020 | 1 | 1 | 0 | 1 | 3 | 2 | 2 | 1 | 1 | 2 | 7 | Average |
| Di Renzo et al., 2020 | 1 | 1 | 0 | 1 | 3 | 2 | 2 | 1 | 1 | 2 | 7 | Average |
| Phillipou et al., 2020 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 1 | 4 | Hihg |
| Rodríguez-Pérez et al., 2020 | 1 | 1 | 0 | 1 | 3 | 2 | 2 | 1 | 1 | 2 | 7 | Average |
| Romeo-Arroyo et al., 2020 | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 0 | 1 | 4 | Hihg |
| Serin & Can Koç, 2020 | 1 | 1 | 0 | 2 | 4 | 2 | 2 | 1 | 1 | 2 | 8 | Average |
| Sidor and Rzymski, 2020 | 1 | 1 | 0 | 1 | 3 | 2 | 2 | 1 | 1 | 2 | 7 | Average |