Table 2. Quality appraisal of experimental studies using the Quality Assessment Tool (QAT).
| QAT items | Akar and
Bebiş (2014) |
Pour
et al.
(2018) |
|---|---|---|
| 1. Selection bias | Good | Poor |
| 2. Study design | Good | Poor |
| 3. Confounders | Poor | Poor |
| 4. Blinding | Poor | Poor |
| 5. Data collection methods | Good | Good |
| 6. Withdrawals and dropouts | Good | Poor |
| 7. Intervention integrity | ||
| (Q1) Percentage of intervention recipients | 80–100% | 80–100% |
| (Q2) Consistency measured | Can’t tell | Can’t tell |
| (Q3) Risk for contamination | Can’t tell | Can’t tell |
| 8. Analysis | ||
| (Q1) Unit of allocation | Individual | Individual |
| (Q2) Unit of analysis | Individual | Individual |
| (Q3) Appropriate statistical methods | Yes | Yes |
| (Q4) Intention to treat | Yes | Yes |
| OVERALL RATING | WEAK | WEAK |