Quality of Life among Outpatients with Mental and Behavioural Disorders due to Substance Use at Neuropsychiatric Hospital, Aro, Abeokuta, Ogun State.

The quality of life of Outpatients with Mental and Behavioural Disorders due to Substance Use (OwMBDSU) at Neuro Psychiatric Hospital Aro Abeokuta Ogun state was investigated in this study. An ex-post facto survey design was used, while 365 OwMBDSU who satisfied the DSM-V criteria using Fishers exact formula were specifically chosen, Neuro Psychiatric Hospital Aro Abeokuta Ogun State which is recognised as having the biggest mental health facility and the most specialised psychiatric institution in Nigeria was specifically chosen to serve patients with this specific mental health condition. The WHOQOL-BREF (1995) scale was employed along with the following scales: social (α=0. 77), physical (α=0. 89), environmental (α=0. 81) and psychological (α=0. 75) .Six in-depth interviews with OwMBDSU were conducted in addition to this. The qualitative data underwent content analysis while the quantitative data underwent descriptive statistics of frequency counts, multiple regression, Analysis of Variance and T test at the 0. 05 level of significance. According to the study, the four domains of quality of life: social had a mean index of 14.88, physical (mean index of 15.19), environmental (mean index of 12.23), and psychological (mean index of 14.17) were all high. Age (β = -.122, p<.05), ethnicity (β = .157, p<.05), occupation (β = -.200, p<.05), and educational status (β = -.144, p<.05) correlated with quality of life of OwMBDSU. According to the aforementioned results, early detection and intervention can enhance treatment results and possibly reduce the detrimental effects on quality of life .Early identification of substance use disorders should be a top priority for mental health professionals to enhance patient’s quality of life through timely and effective treatment. Given the influence of age, ethnicity, occupation and educational attainment intervention strategies should be adjusted to fit patient demographic profile Key words: Quality of Life, Outpatients, Mental Behavioural Disorder, Substance Use