Structural Model for Osteoporosis Preventing Behavior in Postmenopausal Women

Estok, Patricia J.; Sedlak, Carol A.; Doheny, Margaret O.; Hall, Rosalie J.

doi:10.1097/01.nnr.0000270031.64810.0c

Cited by 45 publications

(58 citation statements)

References 24 publications

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“…This finding was in line with that of Estok et al (2007) and Swaim et al (2008) who found self-efficacy explained 16% and 13% of the variance in weight bearing physic activity in postmenopausal women, respectively. Additionally, other researchers have studied factors that tend to impede physical activity in middle to older-aged women (i.e.…”

Section: Mvpa Minutes Per Daysupporting

confidence: 81%

“…This study indicates the importance of self-efficacy for physical activity performed for OP prevention. Similar findings were also found in a recent investigation by Estok, Sedlak, Doheny, and Hall (2007) who reported task selfefficacy for exercise was significantly related to weight bearing physical activity (r = 0.41). These studies emphasize the importance of task self-efficacy for performance of the type of physical activity (weight-bearing) that is important for bone health.…”

Section: Individual Psychological Determinantssupporting

confidence: 77%

“…Several determinants that fit into a social cognitive perspective and have been supported in the literature include task and barrier self-efficacy, social support, and access to facilities and home equipment (Chatzisarantis et al, 2002;Humpel et al, 2004;Trost et al, 2002;Wendel-Vos et al, 2007). A review of the middle-aged and older adult female literature, as well as postmenopausal literature, supports the use of these determinants in physical activity research for these populations (Blanchard et al, 2005;Estok et al, 2007;Hsieh et al, 2008;Swaim et al, 2008). However, no OP prevention studies exist that examine physical activity according to individual, social, and perceived physical environmental determinants of physical activity.…”

Section: Discussionmentioning

confidence: 99%

“…In cross-sectional analyses, task selfefficacy is shown to be positively associated with weight-bearing physical activity levels among peri-and postmenopausal women (Ali & Twibell, 1995;Estok, Sedlak, Doheny, & Hall, 2007;Swaim, Barner, & Brown, 2008). Barrier self-efficacy is also shown to play an important role in adoption and maintenance of physical activity in longitudinal investigations of older women (Resnick & Spellbring, 2000) and cardiac rehabilitation patients (Reid et al, 2007).…”

Section: Individual Psychological Determinantsmentioning

confidence: 99%

“…In order to promote physical activity for OP prevention, determinants of this behavior among peri-and postmenopausal women should be understood. Most research aimed at understanding and promoting physical activity for general health and OP prevention has focused on individual-level psychological determinants (Ali & Twibell, 1995;Estok et al, 2007;Godin & Kok, 1996;Haggar, Chatzisaratis, & Biddle, 2002;Hsieh, et al, 2001;Swaim et al, 2008). Research focusing on individual-level psychological determinants research has significantly contributed to the understanding of physical activity behaviors; however, a limited portion of the variance in these behaviors has been explained by cross-sectional research (Godin & Kok;Spence & Lee, 2002).…”

Section: Understanding and Promoting Physical Activitymentioning

confidence: 99%

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Social Cognitive Factors Associated With Moderate to Vigorous Physical Activity In Perimenopausal and Postmenopausal Women

Medema-Johnson

Janz

McGannon

et al. 2011

Medicine &Amp; Science in Sports &Amp; Exercise

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Osteoporosis (OP) is a disease characterized by low bone mass and structural breakdown of the skeleton. The disease may be prevented through weight-bearing, moderate to vigorous physical activity (MVPA), which is important for peri-and postmenopausal women who are at great risk for OP. However, most women do not participate in activity according to guidelines, which can negatively impact bone health.A better understanding of multi-dimensional factors that influence MVPA may help inform physical activity interventions aiming for OP prevention. The purpose of this study was to utilize social cognitive theory (SCT) to understand the associations between social cognitive factors and MVPA among peri-and postmenopausal women.Eighty-seven peri-and postmenopausal women (aged 43 to 65) completed this cross-sectional study. Participants completed demographic, health, calcium, and SCT questionnaires. SCT variables assessed included task self-efficacy (SE T ) and barrier selfefficacy (SE B ), perceived social support from friends (SS FR ) and family (SS FA ), and perceived access to facilities (AC F ) and home equipment (AC H ). Participants wore an NL-1000 pedometer for one week to assess total steps per day and minutes spent in MVPA. Past year MVPA, past week leisure MVPA, and past week occupational/ transport MVPA were assessed with the Modifiable Activity Questionnaire.Stepwise regression analysis was used to identify the direct relationships between cognitive variables and each of the physical activity outcome measures. Moderationmediation analysis was conducted to determine if significant interaction effects or confounding effects existed between social cognitive variables and each physical activity ii Finally, I would like to acknowledge the many women who gave of their time to participate in this study. In addition, I would like to acknowledge, the University of Iowa STAR Registry for allowing me access to registry participants, the National Osteoporosis Foundation for donating the brochures that were given to the participants, and Dr. JanetSchlechte and De Frei for allowing me to borrow the Sahara Heel Ultrasound. The valuable contribution of time and resources on the part all of these individuals were fundamental to this project.iii ABSTRACT Osteoporosis (OP) is a disease characterized by low bone mass and structural breakdown of the skeleton. The disease may be prevented through weight-bearing, moderate to vigorous physical activity (MVPA), which is important for peri-and postmenopausal women who are at great risk for OP. However, most women do not participate in activity according to guidelines, which can negatively impact bone health.A better understanding of multi-dimensional factors that influence MVPA may help inform physical activity interventions aiming for OP prevention. The purpose of this study was to utilize social cognitive theory (SCT) to understand the associations between social cognitive factors and MVPA among peri-and postmenopausal women.Eighty-seven peri-and postmenopausal women (aged ...

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Section: Mvpa Minutes Per Daysupporting

confidence: 81%

Section: Individual Psychological Determinantssupporting

confidence: 77%

Section: Discussionmentioning

confidence: 99%

Section: Individual Psychological Determinantsmentioning

confidence: 99%

Section: Understanding and Promoting Physical Activitymentioning

confidence: 99%

See 3 more Smart Citations

Social Cognitive Factors Associated With Moderate to Vigorous Physical Activity In Perimenopausal and Postmenopausal Women

Medema-Johnson

Janz

McGannon

et al. 2011

Medicine &Amp; Science in Sports &Amp; Exercise

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Visual feedback of individuals' medical imaging results for changing health behaviour

Hollands

Hankins

Marteau

2010

Cochrane Database of Systematic Reviews

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Due to the limited nature of the available evidence and the mixed results that were found, no strong statements can be made about the effectiveness of communicating medical imaging results to change health behaviour. Only three trials in clinical populations were similar enough in term of setting, intervention and outcome to allow meta-analysis. We suggest, however, that targeted interventions using medical imaging technologies may be effective in certain contexts, or as applied to certain behaviours, but that this should be considered on an intervention by intervention basis, and not assumed as a general principle.

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A systematic review of interventions by healthcare professionals on community-dwelling postmenopausal women with osteoporosis

Lai

Chua

2010

Osteoporos Int

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From this review, it was found that some outcome measures of such non-drug interventions still required further studies. Future studies should use validated instruments to assess the outcomes, with focus on common definitions of interventions and outcome measures, more intensive one-to-one interventions, appropriate control groups, adequate randomization procedures, and also provide information on effect size.

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Structural Model for Osteoporosis Preventing Behavior in Postmenopausal Women

Abstract: Personal knowledge of DXA results was related significantly to increases in calcium intake in postmenopausal women, but not to exercise. Directions for further study are discussed.

Cited by 45 publications

References 24 publications

Social Cognitive Factors Associated With Moderate to Vigorous Physical Activity In Perimenopausal and Postmenopausal Women

Social Cognitive Factors Associated With Moderate to Vigorous Physical Activity In Perimenopausal and Postmenopausal Women

Visual feedback of individuals' medical imaging results for changing health behaviour

A systematic review of interventions by healthcare professionals on community-dwelling postmenopausal women with osteoporosis

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