Table 4.
Methodological Quality of Included Cohort Studies
| Study | Selection | Comparability | Outcome | Total | |||||
|---|---|---|---|---|---|---|---|---|---|
| Representative of the Exposed Cohort | Selection of Non-Exposed Cohort | Ascertainment of Exposure | Demonstration that Outcome of Interest Not Present at the Start of the Study | Comparability of Cohorts (1) Main Factor (2) Additional Factor |
Assessment of Outcome | Sufficient Follow-Up Time | Adequacy of Follow-Up | ||
| Dennison et al (2021) | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 7 |
| Sawicki et al (2019) | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 |
| Lam et al (2015) | 1 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 8 |
| Moon et al (2012) | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 6 |
Notes: 1: fulfilled; 0: not fulfilled.