|
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
|
