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Motor functioning differentially predicts mortality in men and women
Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology. Jönköping University, School of Health and Welfare, HHJ. ARN-J (Aging Research Network - Jönköping).ORCID iD: 0000-0003-4149-9787
Indiana University Southeast, USA.
Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology. Jönköping University, School of Health and Welfare, HHJ. ARN-J (Aging Research Network - Jönköping). Karolinska Institutet, Sweden.ORCID iD: 0000-0002-6305-8993
University of California, USA.
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2017 (English)In: Archives of gerontology and geriatrics (Print), ISSN 0167-4943, E-ISSN 1872-6976, Vol. 72, 6-11 p.Article in journal (Refereed) Published
Abstract [en]

Introduction

Research indicates gender differences in functional performance at advanced ages, but little is known about their impact on longevity for men and women.

Objective

To derive a set of motor function factors from a battery of functional performance measures and examine their associations with mortality, incorporating possible gender interactions.

Method

Analyses were performed on the longitudinal Swedish Adoption/Twin Study of Aging (SATSA) including twenty-four assessments of motor function up to six times over a 19-year period. Three motor factors were derived from several factor analyses; fine motor, balance/upper strength, and flexibility. A latent growth curve model was used to capture longitudinal age changes in the motor factors and generated estimates of intercept at age 70 (I), rates of change before (S1) and after age 70 (S2) for each factor. Cox regression models were used to determine how gender in interaction with the motor factors was related to mortality.

Results

Females demonstrated lower functional performance in all motor functions relative to men. Cox regression survival analyses demonstrated that both balance/upper strength, and fine motor function were significantly related to mortality. Gender specific analyses revealed that this was true for women only. For men, none of the motor factors were related to mortality.

Conclusion

Women demonstrated more difficulties in all functioning facets, and only among women were motor functioning (balance/upper strength and fine motor function) associated with mortality. These results provide evidence for the importance of considering motor functioning, and foremost observed gender differences when planning for individualized treatment and rehabilitation.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 72, 6-11 p.
Keyword [en]
Motor function, Gender differences, Survival
National Category
Gerontology, specializing in Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hj:diva-35607DOI: 10.1016/j.archger.2017.05.001ISI: 000408022200002PubMedID: 28500880Scopus ID: 2-s2.0-85019064413Local ID: HHJÅldrandeISOAI: oai:DiVA.org:hj-35607DiVA: diva2:1099031
Available from: 2017-05-29 Created: 2017-05-29 Last updated: 2017-09-07Bibliographically approved

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Ernsth Bravell, MarieDahl Aslan, Anna K.Hallgren, Jenny

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Ernsth Bravell, MarieDahl Aslan, Anna K.Hallgren, Jenny
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Archives of gerontology and geriatrics (Print)
Gerontology, specializing in Medical and Health Sciences

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