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. 2012 Aug;23(3):1157-73.
doi: 10.1353/hpu.2012.0110.

Prevalence of fracture and osteoporosis risk factors in American Indian and Alaska Native people

Tracy Frech, Khe-ni Ma, Elizabeth D Ferrucci, Anne P Lanier, Molly McFadden, Lillian Tom-Orme, Martha L Slattery, Maureen A Murtaugh

Prevalence of fracture and osteoporosis risk factors in American Indian and Alaska Native people

Tracy Frech et al. J Health Care Poor Underserved. 2012 Aug.

Abstract

Objective: Little is known about prevalence of osteoporosis risk factors among American Indians and Alaska Natives (AIAN).

Methods: We included AIAN people (n=8,039) enrolled in the Education and Research Towards Health (EARTH) Study. Prevalence ratios were used to determine cross-sectional associations of risk factors with self-reported bone fractures.

Results: There is a high prevalence of multiple risk factors for osteoporosis in AIAN, although the factors that are associated with past fracture vary by gender and geographical area. In general, women who reported a fracture reported more risk behaviors, more than two medical conditions, and low physical activity. Men with higher BMI were less likely to report a fracture. Smoking history was associated with fracture for both genders, though not significantly in all sub-groups.

Conclusion: We prevent a high prevalence of risk factors for osteoporosis for AIAN. Future research for osteoporosis risk reduction and prevention in AIAN people is indicated.

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Figures

Figure 1
Figure 1
Number of osteoporosis risk factors among women.a aOsteoporosis risk factures included: current smoking, >3 alcoholic drinks, inadequate calcium intake, inadequate vitamin D intake, menopause, 2 or more medical conditions and behavior risk scores ≥3 or more medical conditions and behavior risk scores ≥3.
Figure 2
Figure 2
Number of osteoporosis risk factors among men.a aOsteoporosis risk factures included: current smoking, >3 alcoholic drinks, inadequate calcium intake, inadequate vitamin D intake, 2 or more medical conditions and behavior risk scores ≥3.
Figure 3
Figure 3
Probability of osteoporosis risk factors among women stratified by age at reported adult fracture.
Figure 4
Figure 4
Probability of osteoporosis risk factors among men stratified by the age at reported fracture.a aIn the group reporting fractures 40 or older, the upper confidence intervals (CIs) greater than 10 were treated as being equal to 10 to allow for equal scaling on all graphs, causing some CIs to not be symmetric around the Prevalence Ratio estimate. CI = Confidence Intervals BMI = Body Mass Index
Figure 5
Figure 5
Probability of osteoporotic risk factor among women grouped by the age of adult fracture at the wrist, hip, or spine.a aDark lines indicate a significant prevalence ratio.
Figure 6
Figure 6
Probability of osteoporotic risk factor among men grouped according to the age of reported fracture at the wrist, hip, or spine.a aIn the group reporting a fracture after the age of 40 the upper confidence intervals (CIs) greater than 10 were treated as being equal to 10 to allow for equal scaling on all graphs causing some CIs to not be symmetric around the prevalence ratio estimate. CI = Confidence Intervals BMI = Body Mass Index
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