| Table 3: Subject characteristics (entire group). |
| | Question | Mean | SD | Median | Minimum | Maximum |
| | PQ1* | 3.1 | 0.9 | 3.0 | 2.0 | 5.0 | | Q1** | 3.2 | 0.8 | 3.0 | 2.0 | 5.0 | | Q2 | 2.9 | 0.8 | 3.0 | 1.0 | 4.0 | | Q3 | 2.8 | 1.0 | 3.0 | 1.0 | 4.0 | | Q4 | 4.5 | 0.6 | 5.0 | 3.0 | 5.0 | | Q5 | 4.1 | 0.9 | 4.0 | 1.0 | 5.0 | | Q6 | 3.9 | 0.9 | 4.0 | 1.0 | 5.0 | | Q7 | 3.6 | 1.0 | 4.0 | 1.0 | 5.0 | | Q8 | 3.5 | 1.2 | 4.0 | 1.0 | 5.0 |
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*2.5 was considered as 2.
**2.5 were considered as 3.
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