Skip to main content

Table 1 Outcome measures

From: Te Ira Tangata: A Zelen randomised controlled trial of a treatment package including problem solving therapy compared to treatment as usual in Maori who present to hospital after self harm

Outcome measure Description Explanation Administered
Primary    
Hopelessness Beck Hopelessness Scale (BHS)[22] Scores below 9 on the BHS. Best predictor of subsequent self harm. Scores on a range of 0 to 20 with higher scores indicating greater hopelessness. Entry, three and twelve months
Secondary    
Hospital repetition of self harm   Data on hospital contacts from participating DHB's and the New Zealand Health Information Service National Minimum Dataset Three and twelve months
Depression and anxiety Hospital Anxiety and Depression Scale (HADS)[23] Self report scale. Scores of 10 and above on the anxiety and depression sub scales indicate clinically significant symptoms. Baseline, three and twelve months.
Health status EQ-5D [24] A generic health-related quality of life index that can be related to costs. Baseline, three and twelve months.
Self report repetition of self-harm   Self report assessed by telephone interviewer blind to allocation Three and twelve months
Social functioning SF-36 [25] A generic measure of functional health and well being Baseline, three and twelve months
Sense of belonging Sense of belonging instrument (SOBI) [26] Self report scale on sense of belonging to a community and ethnicity Baseline, three and twelve months
Cultural identity Cultural identity profile [27] Produces four indicators of cultural identity, a secure, positive, notional or compromised identity Baseline, three and twelve months
Seriousness of suicide attempt Self rated objective part of the Beck Suicide Intent Scale (BSIS)[28] Self report scale indicating the degree of suicidal intent of the self harm episode Baseline
Costs following index attempt Health service use, costs of attending care, cost of medication and time off work Self report assessed by telephone interviewer blind to allocation Three and twelve months