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Table 4 Distributional Characteristics of the PGWB Scales

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

PGWB Scales Mean SD Range % at Floor % at Ceiling
Edinburgh Sample (n = 53)      
Anxiety 70.5 23.9 0.0–100.0 1.9% 9.4%
Depressed Mood 78.0 23.9 13.3–100.0 0% 22.6%
Positive Well-Being 59.9 22.5 0.0–95.0 1.9% 0%
Self-Control 76.5 23.0 0.0–100.0 1.9% 17.0%
General Health 62.3 22.6 0.0–100.0 1.9% 1.9%
Vitality 57.3 22.1 0.0–100.0 1.9% 1.9%
Global Score 66.9 20.9 3.6–94.5 0% 0%
London Sample (n = 77)      
Anxiety 69.5 20.7 12.0–100.0 0% 3.9%
Depressed Mood 79.6 20.9 26.7–100.0 0% 24.7%
Positive Well-Being 61.9 21.9 5.0–100.0 0% 1.3%
Self-Control 79.0 18.8 26.7–100.0 0% 15.6%
General Health 64.2 19.3 20.0–100.0 0% 2.6%
Vitality 61.1 21.3 0.0–100.0 1.3% 1.3%
Global Score 68.5 18.1 16.4–94.5 0% 0%
Total Sample (n = 130)      
Anxiety 69.9 22.0 0.0–100.0 0.8% 6.2%
Depressed Mood 78.9 22.1 13.3–100.0 0% 23.8%
Positive Well-Being 61.1 22.1 0.0–100.0 0.8% 0.8%
Self-Control 78.0 20.6 0.0–100.0 0.8% 16.2%
General Health 63.4 20.6 0.0–100.0 0.8% 2.3%
Vitality 59.5 21.6 0.0–100.0 1.5% 1.5%
Global Score 67.9 19.2 3.6–94.5 0% 0%
  1. PGWB = Psychological General Well-Being Index