Table 4 Quality assessment results against the Effective Public Health Practice Project Quality Assessment Tool for all included studies
Author/Date | Selection Bias | Design | Confounders | Blinding | Data Collection Methods | Withdrawals/ Dropouts | Global ratings |
|---|---|---|---|---|---|---|---|
Arao et al. (2007) | Moderate | Strong | Strong | Moderate | Strong | Strong | Strong |
Booth et al. (2008) | Moderate | Strong | Moderate | Moderate | Strong | Moderate | Moderate |
Braekman et al. (1999) | Weak | Moderate | Moderate | Weak | Moderate | Moderate | Weak |
Leslie et al. (2002) | Strong | Strong | Moderate | Strong | Moderate | Moderate | Moderate |
Morgan (2009, 2011c) SHED-IT | Moderate | Strong | Strong | Moderate | Strong | strong | Strong |
Morgan et al. (2011a) HDHK | Moderate | Strong | Moderate | Weak | Strong | strong | Moderate |
Morgan et al. (2011b) POWER | Moderate | Strong | Moderate | Moderate | Strong | Strong | Moderate |
Pritchard et al. (1997) | Strong | Strong | Moderate | Moderate | Strong | Strong | Strong |
Tilley et al. (1999, 1997) | Strong | Strong | Moderate | Weak | Moderate | Moderate | Moderate |