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Biol Res Nurs. 2014 Jan;16(1):23-30. doi: 10.1177/1099800413500845. Epub 2013 Sep 19.

Associations of schizophrenia symptoms and neurocognition with physical activity in older adults with schizophrenia.

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1
1Department of Physiological Nursing, University of California, San Francisco, CA, USA.

Abstract

BACKGROUND:

Low levels of physical activity contribute to the generally poor physical health of older adults with schizophrenia. The associations linking schizophrenia symptoms, neurocognition, and physical activity are not known. Research is needed to identify the reasons for this population's lack of adequate physical activity before appropriate interventions can be designed and tested.

DESIGN AND METHODS:

In this cross-sectional study, 30 adults aged ≥55 years with schizophrenia were assessed on symptoms (Positive and Negative Syndrome Scale), neurocognition (MATRICS Consensus Cognitive Battery), and physical activity (Sensewear ProArmband). Pearson's bivariate correlations (two-tailed) and univariate linear regression models were used to test the following hypotheses: (1) more severe schizophrenia symptoms are associated with lower levels of physical activity and (2) more severe neurocognitive deficits are associated with lower levels of physical activity.

RESULTS:

Higher scores on a speed-of-processing test were associated with more average daily steps (p = .002) and more average daily minutes of moderate physical activity (p = .009). Higher scores on a verbal working memory task were associated with more average daily minutes of moderate physical activity (p = .05). More severe depressive symptoms were associated with more average daily minutes of sedentary activity (p = .03).

CONCLUSION:

Physical activity interventions for this population are imperative. In order for a physical activity intervention to be successful, it must include components to enhance cognition and diminish psychiatric symptoms.

KEYWORDS:

neurocognition; physical activity; schizophrenia; symptomatology

PMID:
24057223
PMCID:
PMC4059545
DOI:
10.1177/1099800413500845
[Indexed for MEDLINE]
Free PMC Article
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