Association between serum 25-hydroxyvitamin D concentrations and depressive symptoms in an older Korean population: A cross-sectional study

Bo Mi Song, HyeonChang Kim, Yumie Rhee, Yoosik Youm, Chang Oh Kim

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Abstract

Background This study aims to examine associations between serum 25-hydroxyvitamin D [25(OH)D] concentrations and depressive symptoms in an older Korean population. Methods The study used data from the Korean Urban Rural Elderly study, which enrolled 2942 participants aged 65 years or older from urban and rural communities. After excluding those treated with antidepressants, we conducted cross-sectional analysis of 2853 participants (962 men and 1891 women). Serum 25(OH)D was analyzed as both a continuous and categorized variable. Depressive symptoms were assessed using the Korean version of the Geriatric Depression Scale - Short Form. Multivariate logistic regression analyses were conducted to examine relationships between serum 25(OH)D and depressive symptoms for men and women separately. Results In men, ORs (95% CIs) for depressive symptoms were 1.74 (0.85, 3.58), 2.50 (1.20, 5.18), and 2.81 (1.15, 6.83) for those with a 25(OH)D concentration of 20.0-29.9, 10.0-19.9, and <10.0 ng/mL, respectively (P-trend=0.013), compared with those with a 25(OH)D concentration of ≥30.0 ng/mL, after adjustment for study year, month of assay, age, parathyroid hormone, body mass index, number of comorbidities, smoking status, alcohol intake, exercise, sleep duration, income, education, cohabitation status, and residential area. In women, the associations between 25(OH)D and depressive symptoms were significant neither before nor after adjustment. Limitations Due to the cross-sectional study design, causal association is uncertain. Intake of vitamin D supplements and outdoor activity were not examined. Conclusions Our findings suggest that lower concentrations of vitamin D are independently associated with depressive symptoms in older Korean adults.

Original languageEnglish
Pages (from-to)357-364
Number of pages8
JournalJournal of Affective Disorders
Volume189
DOIs
Publication statusPublished - 2016 Jan 1

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Cross-Sectional Studies
Depression
Serum
Population
Vitamin D
Social Adjustment
Rural Population
25-hydroxyvitamin D
Parathyroid Hormone
Geriatrics
Antidepressive Agents
Comorbidity
Sleep
Body Mass Index
Logistic Models
Smoking
Regression Analysis
Alcohols
Exercise
Education

All Science Journal Classification (ASJC) codes

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

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title = "Association between serum 25-hydroxyvitamin D concentrations and depressive symptoms in an older Korean population: A cross-sectional study",
abstract = "Background This study aims to examine associations between serum 25-hydroxyvitamin D [25(OH)D] concentrations and depressive symptoms in an older Korean population. Methods The study used data from the Korean Urban Rural Elderly study, which enrolled 2942 participants aged 65 years or older from urban and rural communities. After excluding those treated with antidepressants, we conducted cross-sectional analysis of 2853 participants (962 men and 1891 women). Serum 25(OH)D was analyzed as both a continuous and categorized variable. Depressive symptoms were assessed using the Korean version of the Geriatric Depression Scale - Short Form. Multivariate logistic regression analyses were conducted to examine relationships between serum 25(OH)D and depressive symptoms for men and women separately. Results In men, ORs (95{\%} CIs) for depressive symptoms were 1.74 (0.85, 3.58), 2.50 (1.20, 5.18), and 2.81 (1.15, 6.83) for those with a 25(OH)D concentration of 20.0-29.9, 10.0-19.9, and <10.0 ng/mL, respectively (P-trend=0.013), compared with those with a 25(OH)D concentration of ≥30.0 ng/mL, after adjustment for study year, month of assay, age, parathyroid hormone, body mass index, number of comorbidities, smoking status, alcohol intake, exercise, sleep duration, income, education, cohabitation status, and residential area. In women, the associations between 25(OH)D and depressive symptoms were significant neither before nor after adjustment. Limitations Due to the cross-sectional study design, causal association is uncertain. Intake of vitamin D supplements and outdoor activity were not examined. Conclusions Our findings suggest that lower concentrations of vitamin D are independently associated with depressive symptoms in older Korean adults.",
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T1 - Association between serum 25-hydroxyvitamin D concentrations and depressive symptoms in an older Korean population

T2 - A cross-sectional study

AU - Song, Bo Mi

AU - Kim, HyeonChang

AU - Rhee, Yumie

AU - Youm, Yoosik

AU - Kim, Chang Oh

PY - 2016/1/1

Y1 - 2016/1/1

N2 - Background This study aims to examine associations between serum 25-hydroxyvitamin D [25(OH)D] concentrations and depressive symptoms in an older Korean population. Methods The study used data from the Korean Urban Rural Elderly study, which enrolled 2942 participants aged 65 years or older from urban and rural communities. After excluding those treated with antidepressants, we conducted cross-sectional analysis of 2853 participants (962 men and 1891 women). Serum 25(OH)D was analyzed as both a continuous and categorized variable. Depressive symptoms were assessed using the Korean version of the Geriatric Depression Scale - Short Form. Multivariate logistic regression analyses were conducted to examine relationships between serum 25(OH)D and depressive symptoms for men and women separately. Results In men, ORs (95% CIs) for depressive symptoms were 1.74 (0.85, 3.58), 2.50 (1.20, 5.18), and 2.81 (1.15, 6.83) for those with a 25(OH)D concentration of 20.0-29.9, 10.0-19.9, and <10.0 ng/mL, respectively (P-trend=0.013), compared with those with a 25(OH)D concentration of ≥30.0 ng/mL, after adjustment for study year, month of assay, age, parathyroid hormone, body mass index, number of comorbidities, smoking status, alcohol intake, exercise, sleep duration, income, education, cohabitation status, and residential area. In women, the associations between 25(OH)D and depressive symptoms were significant neither before nor after adjustment. Limitations Due to the cross-sectional study design, causal association is uncertain. Intake of vitamin D supplements and outdoor activity were not examined. Conclusions Our findings suggest that lower concentrations of vitamin D are independently associated with depressive symptoms in older Korean adults.

AB - Background This study aims to examine associations between serum 25-hydroxyvitamin D [25(OH)D] concentrations and depressive symptoms in an older Korean population. Methods The study used data from the Korean Urban Rural Elderly study, which enrolled 2942 participants aged 65 years or older from urban and rural communities. After excluding those treated with antidepressants, we conducted cross-sectional analysis of 2853 participants (962 men and 1891 women). Serum 25(OH)D was analyzed as both a continuous and categorized variable. Depressive symptoms were assessed using the Korean version of the Geriatric Depression Scale - Short Form. Multivariate logistic regression analyses were conducted to examine relationships between serum 25(OH)D and depressive symptoms for men and women separately. Results In men, ORs (95% CIs) for depressive symptoms were 1.74 (0.85, 3.58), 2.50 (1.20, 5.18), and 2.81 (1.15, 6.83) for those with a 25(OH)D concentration of 20.0-29.9, 10.0-19.9, and <10.0 ng/mL, respectively (P-trend=0.013), compared with those with a 25(OH)D concentration of ≥30.0 ng/mL, after adjustment for study year, month of assay, age, parathyroid hormone, body mass index, number of comorbidities, smoking status, alcohol intake, exercise, sleep duration, income, education, cohabitation status, and residential area. In women, the associations between 25(OH)D and depressive symptoms were significant neither before nor after adjustment. Limitations Due to the cross-sectional study design, causal association is uncertain. Intake of vitamin D supplements and outdoor activity were not examined. Conclusions Our findings suggest that lower concentrations of vitamin D are independently associated with depressive symptoms in older Korean adults.

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