Correlates and prevalence of insufficient 25-hydroxyvitamin D status in black and white older adults: The health, aging and body composition study

M. Kyla Shea, Denise K. Houston, Janet A. Tooze, Cralen C. Davis, Mary Ann Johnson, Dorothy B. Hausman, Jane A. Cauley, Douglas C. Bauer, Frances Tylavsky, Tamara B. Harris, Stephen B. Kritchevsky

Research output: Contribution to journalArticle

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Abstract

OBJECTIVES: To determine the prevalence and correlates of vitamin D insufficiency in black and white older adults. DESIGN: Cross-sectional. SETTING: Health, Aging and Body Composition Study. PARTICIPANTS: Nine hundred seventy-seven black and 1,604 white adults aged 70 to 81. MEASUREMENTS: Logistic regression and classification and regression tree analysis were used to identify correlates of vitamin D insufficiency (25-hydroxyvitamin D (25(OH)D) <30 ng/mL) separately in blacks and whites. RESULTS: The prevalence of 25(OH)D insufficiency was 84% in blacks and 57% in whites. Seventy-six percent of blacks and 56% of whites did not take a multivitamin; those who did not take a multivitamin were more likely to be vitamin D insufficient (odds ratio (OR)=5.17 (95% confidence interval (CI)=3.47-7.70) for blacks; OR=2.56, 95% CI=2.05-3.19 for white). Additional risk factors for vitamin D insufficiency were vitamin D-containing supplement use, female sex, and obesity in blacks; and winter season, low dietary vitamin D intake, obesity, type 2 diabetes mellitus, and female sex in whites. CONCLUSION: Vitamin D insufficiency was more prevalent in blacks than whites. Not consuming a multivitamin increased the odds of vitamin D insufficiency in blacks and whites. Knowledge of additional risk factors such as dietary intake and comorbid conditions may help identify older adults who are likely to be vitamin D insufficient.

Original languageEnglish (US)
Pages (from-to)1165-1174
Number of pages10
JournalJournal of the American Geriatrics Society
Volume59
Issue number7
DOIs
StatePublished - Jul 1 2011

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Body Composition
Vitamin D
Health
Obesity
Odds Ratio
Confidence Intervals
25-hydroxyvitamin D
hydroquinone
Type 2 Diabetes Mellitus
Logistic Models
Regression Analysis

All Science Journal Classification (ASJC) codes

  • Geriatrics and Gerontology

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Correlates and prevalence of insufficient 25-hydroxyvitamin D status in black and white older adults : The health, aging and body composition study. / Shea, M. Kyla; Houston, Denise K.; Tooze, Janet A.; Davis, Cralen C.; Johnson, Mary Ann; Hausman, Dorothy B.; Cauley, Jane A.; Bauer, Douglas C.; Tylavsky, Frances; Harris, Tamara B.; Kritchevsky, Stephen B.

In: Journal of the American Geriatrics Society, Vol. 59, No. 7, 01.07.2011, p. 1165-1174.

Research output: Contribution to journalArticle

Shea, MK, Houston, DK, Tooze, JA, Davis, CC, Johnson, MA, Hausman, DB, Cauley, JA, Bauer, DC, Tylavsky, F, Harris, TB & Kritchevsky, SB 2011, 'Correlates and prevalence of insufficient 25-hydroxyvitamin D status in black and white older adults: The health, aging and body composition study', Journal of the American Geriatrics Society, vol. 59, no. 7, pp. 1165-1174. https://doi.org/10.1111/j.1532-5415.2011.03476.x
Shea, M. Kyla ; Houston, Denise K. ; Tooze, Janet A. ; Davis, Cralen C. ; Johnson, Mary Ann ; Hausman, Dorothy B. ; Cauley, Jane A. ; Bauer, Douglas C. ; Tylavsky, Frances ; Harris, Tamara B. ; Kritchevsky, Stephen B. / Correlates and prevalence of insufficient 25-hydroxyvitamin D status in black and white older adults : The health, aging and body composition study. In: Journal of the American Geriatrics Society. 2011 ; Vol. 59, No. 7. pp. 1165-1174.
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AU - Shea, M. Kyla

AU - Houston, Denise K.

AU - Tooze, Janet A.

AU - Davis, Cralen C.

AU - Johnson, Mary Ann

AU - Hausman, Dorothy B.

AU - Cauley, Jane A.

AU - Bauer, Douglas C.

AU - Tylavsky, Frances

AU - Harris, Tamara B.

AU - Kritchevsky, Stephen B.

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N2 - OBJECTIVES: To determine the prevalence and correlates of vitamin D insufficiency in black and white older adults. DESIGN: Cross-sectional. SETTING: Health, Aging and Body Composition Study. PARTICIPANTS: Nine hundred seventy-seven black and 1,604 white adults aged 70 to 81. MEASUREMENTS: Logistic regression and classification and regression tree analysis were used to identify correlates of vitamin D insufficiency (25-hydroxyvitamin D (25(OH)D) <30 ng/mL) separately in blacks and whites. RESULTS: The prevalence of 25(OH)D insufficiency was 84% in blacks and 57% in whites. Seventy-six percent of blacks and 56% of whites did not take a multivitamin; those who did not take a multivitamin were more likely to be vitamin D insufficient (odds ratio (OR)=5.17 (95% confidence interval (CI)=3.47-7.70) for blacks; OR=2.56, 95% CI=2.05-3.19 for white). Additional risk factors for vitamin D insufficiency were vitamin D-containing supplement use, female sex, and obesity in blacks; and winter season, low dietary vitamin D intake, obesity, type 2 diabetes mellitus, and female sex in whites. CONCLUSION: Vitamin D insufficiency was more prevalent in blacks than whites. Not consuming a multivitamin increased the odds of vitamin D insufficiency in blacks and whites. Knowledge of additional risk factors such as dietary intake and comorbid conditions may help identify older adults who are likely to be vitamin D insufficient.

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