Table 2 Quality assessment of the included studies
From: Effective public health measures to mitigate the spread of COVID-19: a systematic review
Article | Selection bias | Study design | Confounders | Blinding | Data collection methods | Withdrawals and drop-outs | Global rating |
|---|---|---|---|---|---|---|---|
Pan A et al [14] | Moderate | Moderate | N/A | N/A | weak | N/A | Moderate |
Wang K-W et al [15] | Moderate | Moderate | N/A | N/A | weak | N/A | Moderate |
Cowling BJ et al [16] | Moderate | Moderate | weak | N/A | Moderate | N/A | Moderate |
Jüni P et al [17] | Moderate | Moderate | Weak | N/A | weak | N/A | weak |
Wang J et al [18] | Strong | Moderate | N/A | N/A | Moderate | Strong | Strong |
Cheng VC-C et al [19] | Moderate | Moderate | Weak | N/A | Moderate | N/A | Moderate |
Thu TPB et al [20] | Moderate | Moderate | N/A | N/A | Moderate | N/A | Moderate |
Seong H et al [21], | Moderate | Moderate | Weak | N/A | Moderate | N/A | Moderate |
Lam HY et al [22] | Moderate | Moderate | N/A | N/A | Moderate | N/A | Strong |
Salvatore M et al [23] | Moderate | Moderate | N/A | N/A | Weak | N/A | Moderate |
Meo SA et al [24] | Moderate | Moderate | Weak | N/A | Moderate | N/A | Moderate |
Xu T-L et al [25] | Moderate | Moderate | N/A | N/A | Moderate | N/A | Moderate |
Zeng K et al [26] | Moderate | Moderate | N/A | N/A | Weak | N/A | Moderate |
Wong CKH et al [27] | Moderate | Moderate | N/A | N/A | Weak | N/A | Moderate |
Siedner MJ et al [28] | Moderate | Moderate | N/A | N/A | Weak | N/A | Moderate |
Krishnamachari B et al [29] | Moderate | Moderate | Moderate | N/A | Weak | Moderate | Moderate |
Singh BB et al [30] | Weak | Moderate | N/A | N/A | Weak | N/A | Weak |
Kepp KP et al [31] | Moderate | Strong | Strong | Weak | Moderate | N/A | Moderate |