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Table 8 Known-Groups Validity of the PGWB Subscales: Comparisons between Groups of Patients

From: Validation of two generic patient-reported outcome measures in patients with type 2 diabetes

Variable Used
to Differentiate Groups
Groups Anxiety Depressed
Mood
Positive
Well Being
Self Control General Health Vitality
   Mean t Value Mean t Value Mean t Value Mean t Value Mean t Value Mean t Value
ADS Median Split ADS Score ≤ 16
(n = 58)
79.9 5.4*** 89.7 5.9*** 74.3 7.6*** 88.4 6.1*** 73.1 5.5*** 71.2 6.5***
  ADS Score > 16
(n = 72)
61.8   70.3   50.4   69.6   55.7   50.1  
DSC-R Median Split DSC-R Total Score ≤ 0.7
(n = 61)
81.0 6.3*** 89.5 5.9*** 72.5 6.3*** 89.0 6.8*** 76.1 8.1*** 73.0 8.4***
  DSC-R Total Score > 0.7
(n = 69)
60.0   69.6   50.9   68.3   52.3   47.6  
Preference for
Weight Change
Lose weight
(n = 113)
68.5 -1.9 77.9 -1.4 60.2 -1.2 77.1 -1.3 61.2 -3.1** 57.9 -2.1*
  Stay same
(n = 16)
79.5   86.3   67.5   84.2   77.9   70.0  
Experienced Hypoglycemia
During the Day
Yes (n = 53) 65.7 -2.2* 75.8 -1.5 57.1 -2.1* 74.2 -2.1* 58.7 -2.5* 56.0 -2.0*
  No (n = 74) 73.9   82.1   65.1   82.0   67.7   63.4  
Experienced Hypoglycemia
During the Night
Yes (n = 23) 60.5 -2.6** 70.4 -2.0 50.0 -3.1** 66.1 -3.7*** 55.7 -2.2* 53.5 -1.9
  No (n = 101) 73.0   82.1   64.8   81.8   65.8   62.3  
Experienced Hyperglycemia Yes (n = 64) 67.3 -1.5 76.3 -1.6 57.5 -2.0* 75.2 -1.9 62.4 -0.7 54.8 -2.9**
  No (n = 63) 73.1   82.3   65.2   81.7   65.0   65.2  
Type of Treatment Injectable
(n = 31)
65.5 -1.1 73.5 -1.2 54.7 -1.6 74.8 -0.7 58.7 -1.4 52.4 -1.6
  Oral only
(n = 85)
70.9   80.1   62.5   78.0   64.7   61.0  
  1. ADS = Appraisal of Diabetes Scale; DSC-R = Diabetes Symptom Checklist – Revised; PGWB = Psychological General Well-Being Index; VAS = Visual Analog Scale; *p < 0.05; **p < 0.01; ***p < 0.001