Muscle-strengthening exercise and depressive symptom severity among a nationally representative sample of 23,635 german adults

Bennie, Jason A. ORCID: https://orcid.org/0000-0002-8668-8998 and Teychenne, Megan and Tittlbach, Susanne (2020) Muscle-strengthening exercise and depressive symptom severity among a nationally representative sample of 23,635 german adults. Journal of Affective Disorders, 266. pp. 282-287. ISSN 0165-0327


Abstract

Background:
There is strong epidemiological evidence that physical activity is associated with lower likelihood of depression. Yet, most existing large population studies have investigated aerobic physical activity (e.g. walking/running), with few epidemiological studies examining the association between muscle-strengthening exercise (MSE; push ups, using weight machines) with depression. The aim of this study is to examine associations between MSE and depressive symptoms among a representative sample of German adults.

Methods:
Cross-sectional analyses were conducted on the 2014 German Health Update. Validated questionnaires were used to assess MSE and depression symptom severity (eight-item Personal Health Questionnaire Depression Scale). Generalized linear models with Poisson regression with a robust error variance were used to assess prevalence ratios of depression symptom severity (mild, moderate, moderately severe/severe) across weekly MSE frequency (None [reference]; 1, 2, 3–4 and ≥5), adjusting for potential cofounders (e.g. age, sex, socioeconomic status, self-rated health, smoking, hazardous alcohol consumption, aerobic exercise).

Results:
Data were available on 23,635 adults (≥18 years). When compared with those reporting no MSE, for all levels of depressive symptom severity, there were reduced prevalence ratios across all MSE frequencies. Compared to the higher MSE frequency groups (3-≥5 times/week), the prevalence ratios (range: 0.53–0.85) were similar among lower frequency groups (1–2 times/week) (range: 0.46–0.85). All associations remained after adjustment for sociodemographic, lifestyle characteristics and aerobic physical activity.

Limitations:
Findings may be biased by the self-reporting of MSE and depressive symptom severity.

Conclusion:
Any increase in MSE at the population-level may be beneficial for the prevention and treatment of depression.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: Current - Institute for Resilient Regions - Centre for Health Research (1 Apr 2020 -)
Faculty/School / Institute/Centre: Current - Institute for Resilient Regions - Centre for Health Research (1 Apr 2020 -)
Date Deposited: 15 Feb 2021 05:59
Last Modified: 16 Feb 2021 03:29
Uncontrolled Keywords: adult; aerobic exercise; aged; alcohol consumption; cross-sectional study; depression; disease severity; disease severity assessment; lifestyle; major clinical study; muscle training; Patient Health Questionnaire 8; physical activity; prevalence; resistance training; smoking; social status
Fields of Research (2008): 11 Medical and Health Sciences > 1117 Public Health and Health Services > 111706 Epidemiology
11 Medical and Health Sciences > 1106 Human Movement and Sports Science > 110699 Human Movement and Sports Science not elsewhere classified
Fields of Research (2020): 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420799 Sports science and exercise not elsewhere classified
42 HEALTH SCIENCES > 4202 Epidemiology > 420201 Behavioural epidemiology
Identification Number or DOI: https://doi.org/10.1016/j.jad.2020.01.172
URI: http://eprints.usq.edu.au/id/eprint/41265

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