Table 2

Summary statistics for interview and diary subscales, and the results to Spearman's correlations (in order of strength)
Chronbach's alpha Diary scores Interview scores Correlation between interview and diary scores
Questions: Min Max Mean SD Min Max Mean SD rho p-value
Hopelessness (CDS) 0.87 1.0 6.7 3.3 1.5 1.0 3.0 1.8 0.8 0.80 p <.001
Delusions 0.93 1.0 5.3 2.0 1.3 1.0 5.0 2.6 1.3 0.74 p <.001
Anxiety 0.96 1.0 6.0 2.7 1.5 1.0 5.0 3.0 1.1 0.69 p < .001
Hallucinations 0.96 1.0 6.4 2.6 1.7 1.0 5.0 2.4 1.5 0.68 p < .001
Suspiciousness 0.95 1.0 6.2 1.0 6.2 1.0 5.0 2.5 1.3 0.63 p <.001
Grandiosity 0.76 1.0 4.2 2.0 1.1 1.0 4.0 1.5 1.0 0.53 p <.001
Depression 0.83 1.1 5.9 3.4 1.2 1.0 4.0 3.0 1.2 0.45* 0.006*
Guilt 0.95 1.0 5.7 2.0 1.2 1.0 5.0 1.7 1.1 0.44 0.006
Somatic concern 0.96 1.0 7.0 3.1 2.1 1.0 5.0 1.7 1.1 0.39 0.019
Passive apathetic social withdrawal 0.93 1.0 6.9 4.1 1.6 1.0 3.0 1.8 0.9 0.26 0.131
Hostility 0.86 1.0 5.0 2.4 1.2 1.0 7.0 1.9 1.2 0.25 0.145
Excitement 0.89 1.0 6.8 3.7 1.7 1.0 4.0 1.5 0.9 0.06 0.712
Conceptual disorganisation 0.95 1.0 5.0 2.0 1.1 1.0 3.0 1.6 0.8 -0.04 0.832

*Represents correlation with item G6 on the PANSS. Correlation with item 1 on the CDS (mean = 2, SD = .7, Min = 1, Max = 4) was rho = .50, p = .002

Min = minimum, Max = maximum, SD = standard deviation, PANSS = Positive and Negative Syndrome Scale, CDS = Calgary Depression Scale.

Palmier-Claus et al.

Palmier-Claus et al. BMC Psychiatry 2012 12:172   doi:10.1186/1471-244X-12-172

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