Neighbourhood greenness and depression among older adults

Tatiana Perrino, Joanna Lombard, Tatjana Rundek, Kefeng Wang, Chuanhui Dong, Carolina Marinovic Gutierrez, Matthew Toro, Margaret M. Byrne, Maria I. Nardi, Jack Kardys, José Szapocznik, Scott C. Brown

Research output: Contribution to journalArticle

Abstract

Background Neighbourhood greenness or vegetative presence has been associated with indicators of health and well-being, but its relationship to depression in older adults has been less studied. Understanding the role of environmental factors in depression may inform and complement traditional depression interventions, including both prevention and treatment.Aims This study examines the relationship between neighbourhood greenness and depression diagnoses among older adults in Miami-Dade County, Florida, USA.Method Analyses examined 249 405 beneficiaries enrolled in Medicare, a USA federal health insurance programme for older adults. Participants were 65 years and older, living in the same Miami location across 2 years (2010-2011). Multilevel analyses assessed the relationship between neighbourhood greenness, assessed by average block-level normalised difference vegetative index via satellite imagery, and depression diagnosis using USA Medicare claims data. Covariates were individual age, gender, race/ethnicity, number of comorbid health conditions and neighbourhood median household income.Results Over 9% of beneficiaries had a depression diagnosis. Higher levels of greenness were associated with lower odds of depression, even after adjusting for demographics and health comorbidities. When compared with individuals residing in the lowest tertile of greenness, individuals from the middle tertile (medium greenness) had 8% lower odds of depression (odds ratio 0.92; 95% CI 0.88, 0.96; P = 0.0004) and those from the high tertile (high greenness) had 16% lower odds of depression (odds ratio 0.84; 95% CI 0.79, 0.88; P < 0.0001).Conclusions Higher levels of greenness may reduce depression odds among older adults. Increasing greenery - even to moderate levels - may enhance individual-level approaches to promoting wellness.Declaration of interest None.

Original languageEnglish (US)
Pages (from-to)476-480
Number of pages5
JournalBritish Journal of Psychiatry
Volume215
Issue number2
DOIs
StatePublished - Aug 1 2019

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Depression
Medicare
Health
Satellite Imagery
Odds Ratio
Multilevel Analysis
Health Insurance
Comorbidity
Demography

Keywords

  • Depressive disorders
  • greenness
  • neighbourhood
  • older adults
  • prevention

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Neighbourhood greenness and depression among older adults. / Perrino, Tatiana; Lombard, Joanna; Rundek, Tatjana; Wang, Kefeng; Dong, Chuanhui; Gutierrez, Carolina Marinovic; Toro, Matthew; Byrne, Margaret M.; Nardi, Maria I.; Kardys, Jack; Szapocznik, José; Brown, Scott C.

In: British Journal of Psychiatry, Vol. 215, No. 2, 01.08.2019, p. 476-480.

Research output: Contribution to journalArticle

Perrino, Tatiana ; Lombard, Joanna ; Rundek, Tatjana ; Wang, Kefeng ; Dong, Chuanhui ; Gutierrez, Carolina Marinovic ; Toro, Matthew ; Byrne, Margaret M. ; Nardi, Maria I. ; Kardys, Jack ; Szapocznik, José ; Brown, Scott C. / Neighbourhood greenness and depression among older adults. In: British Journal of Psychiatry. 2019 ; Vol. 215, No. 2. pp. 476-480.
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AU - Gutierrez, Carolina Marinovic

AU - Toro, Matthew

AU - Byrne, Margaret M.

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N2 - Background Neighbourhood greenness or vegetative presence has been associated with indicators of health and well-being, but its relationship to depression in older adults has been less studied. Understanding the role of environmental factors in depression may inform and complement traditional depression interventions, including both prevention and treatment.Aims This study examines the relationship between neighbourhood greenness and depression diagnoses among older adults in Miami-Dade County, Florida, USA.Method Analyses examined 249 405 beneficiaries enrolled in Medicare, a USA federal health insurance programme for older adults. Participants were 65 years and older, living in the same Miami location across 2 years (2010-2011). Multilevel analyses assessed the relationship between neighbourhood greenness, assessed by average block-level normalised difference vegetative index via satellite imagery, and depression diagnosis using USA Medicare claims data. Covariates were individual age, gender, race/ethnicity, number of comorbid health conditions and neighbourhood median household income.Results Over 9% of beneficiaries had a depression diagnosis. Higher levels of greenness were associated with lower odds of depression, even after adjusting for demographics and health comorbidities. When compared with individuals residing in the lowest tertile of greenness, individuals from the middle tertile (medium greenness) had 8% lower odds of depression (odds ratio 0.92; 95% CI 0.88, 0.96; P = 0.0004) and those from the high tertile (high greenness) had 16% lower odds of depression (odds ratio 0.84; 95% CI 0.79, 0.88; P < 0.0001).Conclusions Higher levels of greenness may reduce depression odds among older adults. Increasing greenery - even to moderate levels - may enhance individual-level approaches to promoting wellness.Declaration of interest None.

AB - Background Neighbourhood greenness or vegetative presence has been associated with indicators of health and well-being, but its relationship to depression in older adults has been less studied. Understanding the role of environmental factors in depression may inform and complement traditional depression interventions, including both prevention and treatment.Aims This study examines the relationship between neighbourhood greenness and depression diagnoses among older adults in Miami-Dade County, Florida, USA.Method Analyses examined 249 405 beneficiaries enrolled in Medicare, a USA federal health insurance programme for older adults. Participants were 65 years and older, living in the same Miami location across 2 years (2010-2011). Multilevel analyses assessed the relationship between neighbourhood greenness, assessed by average block-level normalised difference vegetative index via satellite imagery, and depression diagnosis using USA Medicare claims data. Covariates were individual age, gender, race/ethnicity, number of comorbid health conditions and neighbourhood median household income.Results Over 9% of beneficiaries had a depression diagnosis. Higher levels of greenness were associated with lower odds of depression, even after adjusting for demographics and health comorbidities. When compared with individuals residing in the lowest tertile of greenness, individuals from the middle tertile (medium greenness) had 8% lower odds of depression (odds ratio 0.92; 95% CI 0.88, 0.96; P = 0.0004) and those from the high tertile (high greenness) had 16% lower odds of depression (odds ratio 0.84; 95% CI 0.79, 0.88; P < 0.0001).Conclusions Higher levels of greenness may reduce depression odds among older adults. Increasing greenery - even to moderate levels - may enhance individual-level approaches to promoting wellness.Declaration of interest None.

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