Modeling risk factors for psychotic conditions and depression among adults in Namibia
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Date
2019
Authors
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Publisher
University of Namibia
Abstract
Mental disorder is a growing global health concern. Mental disorder is categorized into
anxiety, depression, schizophrenia, alcohol and drug dependency. Depression is
ranked by the WHO as one of the largest contributors to global disability and suicide.
There are only two affordable mental health services in Namibia, this leads to
underdiagnosed and untreated cases of people suffering from depression and psychotic
disorders. The overall objective of this study wasto identify socio-demographic factors
associated with psychotic disorders and depression among adults in Namibia. The
specific objectives of this study was to: estimate the prevalence of psychotic disorders
and depression among adults in Namibia, construct an index of depression and identify
factors influencing psychotic disorders and depression among adults in Namibia. This
study adopted a quantitative cross-section study design, based on secondary data from
the NDHS 2013. The study used a sample of 14234 participants, 9906 women aged
15 – 49 and 4328 men aged 15 – 64. Binary logistic regression was used to establish
factors contributing to psychotic disorders. Factor analysis (Principal component
analysis) was used to construct an index for depression and grouped the single factor
into terciles. Then multinomial logistic regression was used to establish factors
influencing depression. The results indicated that psychotic disorder had a prevalence
of 13 percents while depression had 30 percents prevalence, in 2013. The psychotic
disorder was found to be significantly associated with region, educational level,
marital status and sex using binary logistic regression. Multinomial logistic regression
results indicated that both mild and severe depression conditions were found to be
significantly related to the region, smoking, marital status,sex, and employment status.
Moreover, smoking cigarettes and place of residence were significantly associated
with mild depression. There is a need for more mental disorder services to be promoted
and rolled out to all health facilities in Namibia. It is also emphasized that there should
be mental health education campaigns in primary schools and communities in the
country. Marital relationships (marriages) should be promoted in society. Smoking
should continue to be discouraged by increasing the price of cigarettes
Description
A thesis submitted in partial fulfilment of the requirements for the master of science in biostatistics
Keywords
Mental disorder, Factors for psychotic conditions, Depression, Adults, Namibia, University of Namibia