Table 2.

One-Sample t-test Statistics Results

Measure	t	df	P	Mean	Mean Difference
Test value = 2
T1 chin discomfort	−1.816	39	0.08	1.44	−0.563
T2 chin discomfort	−2.273	36	0.03	1.27	−0.73
T3 chin discomfort	−2.587	34	0.01	1.11	−0.886
T1 cheek discomfort	−1.919	38	0.06	1.37	−0.628
T2 cheek discomfort	−3.519	36	0.001	1.11	−0.892
T3 cheek discomfort	−6.181	33	<0.001	0.65	−1.353
Test value = 5
T1 chin discomfort	−11.504	39	<0.001	1.44	−3.563
T2 chin discomfort	−11.617	36	<0.001	1.27	−3.73
T3 chin discomfort	−11.347	34	<0.001	1.11	−3.886
T1 cheek discomfort	−11.082	38	<0.001	1.37	−3.628
T2 cheek discomfort	−15.355	36	<0.001	1.11	−3.892
T3 cheek discomfort	−19.885	33	<0.001	0.65	−4.353