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    Perimenopausal Women's Intended and Actual Behavioral Response to Bone Health Interventions

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    Author
    Olson, Ann Colleen Falkenberg
    Issue Date
    2008
    Keywords
    bone health
    bone mineral density
    health promotion
    osteoporosis
    perimenopause
    Theory of Planned Behavior
    Advisor
    Berg, Judith A
    Committee Chair
    Berg, Judith A
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    The purpose of this longitudinal repeated measures experimental study was to determine the effects of bone health testing using dual energy X-ray absorptiometry (DXA) on outcomes of intentions toward and actual engagement in bone health behaviors (calcium intake, vitamin D intake, physical activity) among perimenopausal women. The Perimenopausal Bone Health Behaviors Model was developed based on the Theory of Planned Behavior and guided this study to determine how perimenopausal women respond to DXA and bone health information compared to bone health information only.One hundred fifty community-based perimenopausal women (ages 35-55) were randomly assigned to an intervention group (n=75 DXA and bone health information) or to a comparison group (n=75 bone health information). Baseline demographic data were collected. The Prevention Intentions Questionnaire and Behaviors Questionnaire were administered at baseline, at two weeks, and at two months after both groups received assigned interventions.Results showed 32% (n = 24) of intervention group women had low bone density. The intervention of DXA and bone health information showed near-significance (p = .068) over the intervention of bone health information alone in affecting women's intentions, and showed near-significance in affecting calcium intake (p = .052). Lower bone density test scores were related to higher intentions (r(74) = -.23, p = .046) at two weeks after DXA and bone health information, and were related to improved vitamin D intake (r(73) = -.25, p = .03) at two months after DXA and bone health information. At study end, Attitudes contributed 27.0% of the variance in Intentions among women who received DXA and bone health information; Attitudes, Subjective Norms, and Perceived Behavioral Control contributed 62.0% of the variance in Intentions among women who received bone health information only.Nursing interventions focusing on perimenopausal women should include providing bone health information to all perimenopausal women. Interventions targeting attitudes toward bone health behaviors may motivate some perimenopausal women to participate in behaviors that contribute to decreased risk of osteoporosis. Early detection and intervention in perimenopausal bone loss may reduce osteoporosis morbidity and may impact women's quality of life, reduce financial consequences to individuals, families, communities, and the nation.
    Type
    text
    Electronic Dissertation
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Nursing
    Graduate College
    Degree Grantor
    University of Arizona
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