Table 3.
Methodological quality of the included studies
| Reference | Randomization | Blinding | Inclusion/Exclusion criteria clearly described | Adequate sample size calculation shown | Standard measures described | Maintenance | Situation analysis and reasons for selecting Theory/model explained | Rational for Duration/Dose of intervention | score |
|---|---|---|---|---|---|---|---|---|---|
| Karimi et al. (2012) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 4/8 |
| Tabatabaei et al. (2010) | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 4/8 |
| Abedi et al. (2011) | 1 | 0 | 1 | 0 | 1 | 0 | NA | 0 | 3/8 |
| Hazaveei et al. (2009) | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 4/8 |
| Jalilian et al. (2012) | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3/8 |
| Moeini et al. (2010) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 4/8 |
| Hashemi et al. (2013) | 1 | 0 | 1 | 1 | NA2 | 0 | 1 | 0 | 4/8 |
| Solhi et al. (2011) | 1 | 0 | 1 | 0 | NA | 0 | 1 | 0 | 3/8 |
| Shakeri et al. (2012) | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 5/8 |
| Timori et al. (2007) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 5/8 |
| Peyman et al. (2012) | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 5/8 |
| Saffari et al. (2012b) | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 5/8 |
| Solhi et al. (2012) | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 6/8 |
| Estebsari et al. (2010) | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3/8 |
| Noroozi et al. (2011) | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 6/8 |
| Farmanbar et al. (2001) | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 6/8 |
| Moeini et al. (2011) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 5/8 |
| Mardanihamole et al. (2010) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 5/8 |
| Karimzadehshirazi et al. (2007) | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 5/8 |
| Ghahremani et al. (2008) | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 4/8 |