Table 1 Participant characteristics
Sociodemographic factors | ||
Age | Mean = 38 years (SD 10.4, range 19–68) | |
Gender | ||
Male | 40 (78%) | |
Female | 11 (22%) | |
Ethnicity | ||
New Zealand Pakeha | 15 (29%) | |
Māori | 33 (65%) | |
Pacific Island | 13 (26%) | |
Other | 3 (6%) | |
Relationship status | ||
Single | 40 (78%) | |
Married or de facto relationship | 4 (8%) | |
Separated or divorced | 6 (12%) | |
Widowed | 1 (2%) | |
Education | ||
No school leaving certificate | 33 (65%) | |
School certificate | 14 (27%) | |
Further higher qualifications | 4 (8%) | |
Illness-related factors | ||
Diagnosis (per ICD criteria) | ||
Schizophrenia | 40 (78%) | |
Schizoaffective disorder | 6 (12%) | |
Bipolar disorder (with psychotic features) | 2 (4%) | |
Other (unspecified psychosis etc.) | 3 (6%) | |
Legal status | ||
Voluntary inpatient order | 1 (2%) | |
Compulsory treatment order | 50 (98%) | |
Most common medications | ||
Clozapine | 25 (49%) | |
Non-clozapine antipsychotic | FGA = 4 (8%), SGA = 17 (33%), FGA + SGA =4 (8%) | |
Mood stabiliser | 15 (29%) | |
Metformin | 23 (45%) | |
Statin | 15 (30%) | |
Mean age at onset of first treatment | 21.9 years (SD = 6.7) | |
Mean duration of treatment | 15.9 years (SD = 9.4) | |
Mean length of admission | 19.7 months (SD = 20.3) | |
Weight | ||
Mean BMI (kg/m2) | Our participants | New Zealand population [35] |
All | 35.3 (SD 8.1) | 28.2 (SD 0.1) |
Male | 34.2 (SD 7.1) | 28.1 (SD 0.2) |
Female | 39.4 (SD 11.0) | 28.3 (SD 0.2) |
World Health Organisation weight classification grading | Our participants | New Zealand population [35] |
Normal weight range (BMI < 25) | 3 (6%) | 33.3% |
Overweight (BMI 25–29.9) | 10 (20%) | 35.2% |
Obesity Class I (BMI 30–34.9) | 10 (20%) | 18.9% |
Obesity Class II (BMI 35–35.9) | 14 (28%) | 7.6% |
Obesity Class III (BMI > 40) | 13 (26%) | 5.1% |
Change in weight since admission | ||
Weight gain (> 5 kg) | 24 (47.2%) | |
Minimal change | 14 (27.8%) | |
Weight loss (> 5 kg) | 13 (25%) | |