control group was used.
Schizophrenic patients who had been admitted in
psychiatric units in a governmental psychiatric
hospital in Thailand were potential participants
for this study. Inclusion criteria included: a) being
an adult aged 18 or older; b) being diagnosed with
schizophrenia according to the International
Classification of Disease-1015 and exhibiting mild
psychotic symptoms determined by 18-36 marks
on the Brief Psychiatric Rating Scale.16 This scale
has been routinely used to assess the severity of
psychotic symptoms of patients admitted in
hospital; d) having an obligation to utilize mental
health services at the hospital; and e) returning to