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. 2013 Mar 22;13:99. doi: 10.1186/1471-244X-13-99

Table 5.

Internal consistency, Chronbach’s α (95% CI), for non-clinical and clinical samples

Domain Non-clinical (n=473) Clinical (n=528)
Subjective well-being (4 items)
0.74 (0.70-0.78)
0.70 (0.66-0.74)
Symptoms / Problems (12 items)
0.84 (0.82-0.86)
0.87 (0.85-0.88)
Functioning (12 items)
0.82 (0.80-0.85)
0.84 (0.81-0.86)
Risk (6 items)
0.68 (0.63-0.72)*
0.81 (0.78-0.83)*
Non-risk items (28 items)
0.92 (0.91-0.93)
0.93 (0.92-0.94)
All items (34 items) 0.92 (0.91-0.93) 0.94 (0.93-0.95)

*p<0.05 (significantly higher α in clinical sample).