Psychological distress in older adults linked to immigrant status, dietary intake, and physical health conditions in the Canadian Longitudinal Study on Aging (CLSA)

Karen M. Davison, Yu Lung, Shen (Lamson) L. Lin, Hongmei Tong, Karen M. Kobayashi, Esme Fuller-Thomson*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

27 Citations (Scopus)

Abstract

Background:  Psychological distress increases mortality risk; there is little knowledge about its prevelance and contributory factors in older populations. 
Methods:  Canadian Longitudinal Study on Aging baseline data (2010–2015) were analyzed to examine the relationship between Kessler's Psychological Distress Scale-K10 and immigrant status (recent/mid-term,<20 years; long-term, ≥20 years; Canadian-born). Covariates included socioeconomic and health-related variables. Stratified by sex, two series of multinomial logistic regression were used to calculate the likelihood of having mild distress (20 < K10 score ≤24) and moderate/severe distress (K10 score >24). 
Results:  Respondents (n = 25,700) were mainly Canadian-born (82.8%), 45–65 years (59.3%), earning cut-off; OR=1.32, 99% CI 1.02–1.70), and higher nutritional risk (ORs = 2.16–3.31, p's <0.001). For men, psychological distress was associated with under-nutrition (grip strength56 years, ORs=0.19–0.79, p's<0.01), lower income (≤C$149,000, ORs = 1.68–7.79, p's<0.01), multi-morbidities (ORs = 1.67–4.70, p's<0.01), chronic pain (ORs = 1.67–3.09, p's<0.001) and higher intake of chocolate (≥ 0.6 bar/week, ORs=1.61–2.23, p's<0.001). 
Limitations:   Cross-sectional design prohibits causal inferences. 
Conclusions:  Nutritional factors, immigration status, social, and health-related problems are strongly associated with psychological distress among midlife and older adults.
Original languageEnglish
Pages (from-to)526-537
Number of pages12
JournalJournal of Affective Disorders
Volume265
Online published11 Jan 2020
DOIs
Publication statusPublished - 15 Mar 2020
Externally publishedYes

Funding

The authors wish to thank the CLSA for providing the data for this analysis. This research was made possible using the data/biospecimens collected by the Canadian Longitudinal Study on Aging (CLSA). Funding for the Canadian Longitudinal Study on Aging (CLSA) is provided by the Government of Canada through the Canadian Institutes of Health Research (CIHR) under grant reference: LSA 94473 and the Canada Foundation for Innovation. This research has been conducted using the CLSA dataset Baseline Tracking Dataset version 3.4, Baseline Comprehensive Dataset version 4.0, under Application Number 170605." The CLSA is led by Drs. Parminder Raina, Christina Wolfson and Susan Kirkland. Part of this study was funded through EFT's Sandra Rotman endowed chair funds and KMD's Fulbright Canada scholarship. The authors wish to thank the CLSA for providing the data for this analysis. This research was made possible using the data/biospecimens collected by the Canadian Longitudinal Study on Aging (CLSA). Funding for the Canadian Longitudinal Study on Aging (CLSA) is provided by the Government of Canada through the Canadian Institutes of Health Research (CIHR) under grant reference: LSA 94473 and the Canada Foundation for Innovation. This research has been conducted using the CLSA dataset Baseline Tracking Dataset version 3.4, Baseline Comprehensive Dataset version 4.0, under Application Number 170605." The CLSA is led by Drs. Parminder Raina, Christina Wolfson and Susan Kirkland.

Research Keywords

  • Canadian Longitudinal Study on Aging
  • CLSA
  • Immigrants
  • Nutrient intake
  • Older adults
  • Psychological distress

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