Table 1.
Reference | Selection bias | Study design | Confounders | Blinding | Data collection method | Withdrawals and drop-outs |
---|---|---|---|---|---|---|
Fox & Moore, 2021 | Moderate | Strong | Moderate | Moderate | Strong | Moderate |
Guo et al., 2020 | Moderate | Strong | Moderate | Moderate | Strong | Moderate |
Hall et al., 2016 | Strong | Moderate | Weak | Moderate | Strong | Moderate |
Hennessy et al., 2021 | Strong | Moderate | Weak | Weak | Strong | Moderate |
Hilsdorf & Bullerjahn, 2021 | Strong | Moderate | Moderate | Weak | Strong | Moderate |
Lyvers et al., 2020 | Strong | Moderate | Weak | Weak | Moderate | Moderate |
Thoma et al., 2012 | Strong | Moderate | Moderate | Weak | Moderate | Strong |
Vuoskoski & Eerola, 2012 | Strong | Moderate | Moderate | Moderate | Strong | Moderate |