Table 5.
Stratified analysis of the extent of nausea caused by palate and tongue cleaning
| Stratification factor | Palate | Tongue | ||||||
|---|---|---|---|---|---|---|---|---|
| Extent of nausea (sagittal) | Extent of nausea (coronal) | Z | P-value | Extent of nausea (sagittal) | Extent of nausea (coronal) | Z | P-value | |
| Sex | ||||||||
| Male | 1 (0–5) | 2 (0–4) | − 0.336 | 0.737 | 2 (0–3) | 1 (0–3) | − 1.588 | 0.112 |
| Female | 1 (0–2) | 1 (0–2) | − 2.434 | 0.015 | 1 (0–3.5) | 1 (0–3) | − 2.574 | 0.010 |
| Height | ||||||||
| ≥ 163.00 cm | 1 (0–3) | 1 (0–3) | − 1.036 | 0.300 | 2 (0–3) | 1 (0–2) | − 3.121 | 0.002 |
| < 163.00 cm | 1 (0–2) | 1 (0–2) | − 2.061 | 0.039 | 1 (0–4) | 2 (0–4) | − 1.088 | 0.277 |
| BMI | ||||||||
| Overweight and obese | 1 (0–3) | 1 (0–3) | − 0.427 | 0.669 | 1 (0–3) | 1 (0–2) | − 1.681 | 0.093 |
| Normal | 1 (0–2) | 1 (0–2) | − 1.984 | 0.047 | 2 (0–4) | 1 (0–3) | − 2.416 | 0.016 |
| Underweight | 2 (1–4) | 2 (1–3) | − 1.026 | 0.305 | 2 (0–4) | 2 (0–3) | − 0.966 | 0.334 |