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Table 4 Construct validity; differences on the Nor-SWAL-QOL between oropharyngeal dysphagia (OD) and control group (known-groups validity)

From: Cultural adaptation and validation of the Norwegian version of the swallowing quality of life questionnaire (SWAL-QOL)

Nor-SWAL-QOLOD groupControl groupMann-Whitney UEffect size r
nMean (SD)nMean (SD)Sign. (two-tailed)
Burden10144.6 (28.2)12399.9 (1.1)p < 0.0010.91
Food selection10257.3 (31.7)12399.4 (3.9)p < 0.0010.81
Eating duration10240.0 (29.7)12298.9 (4.4)p < 0.0010.87
Eating desire10265.6 (28.9)12297.5 (8.8)p < 0.0010.73
Fear of eating10262.3 (27.6)12399.5 (2.3)p < 0.0010.83
Sleep10260.0 (31.0)12386.5 (18.5)p < 0.0010.45
Fatigue10152.9 (28.2)12387.5 (16.5)p < 0.0010.62
Communication10261.9 (33.0)12399.7 (2.5)p < 0.0010.76
Mental Health10246.3 (28.2)12399.9 (.902)p < 0.0010.91
Social functioning10254.4 (31.4)123100 (.000)p < 0.0010.85
Symptom frequency battery9955.6 (19.4)12397.5 (4.2)p < 0.0010.86