Association between physical multimorbidity and sleep problems in 46 low- and middle-income countries

Lee Smith, Jae Il Shin, Louis Jacob, Felipe Schuch, Hans Oh, Mark A Tully, Guillermo F. López Sánchez, Nicola Veronese, Pinar Soysal, Lin Yang, Laurie Butler, Yvonne Barnett, Ai Koyanagi

Research output: Contribution to journalArticlepeer-review

Abstract

Background
Little is known about the association between multimorbidity (i.e., two or more chronic conditions) and sleep problems in the general adult populations of low- and middle-income countries (LMICs). Thus, we aimed to assess this association among adults from 46 LMICs, and to quantify the extent to which anxiety, depression, stress, and pain explain this association.

Methods
Cross-sectional, predominantly nationally representative, community-based data from the World Health Survey were analyzed. Nine chronic physical conditions (angina, arthritis, asthma, chronic back pain, diabetes, edentulism, hearing problems, tuberculosis, visual impairment) were assessed. To be included in the analysis, sleep problems had to have been experienced in the past 30 days and to have been severe or extreme; they included difficulties falling asleep, waking up frequently during the night or waking up too early in the morning. Multivariable logistic regression and mediation analyses were conducted to explore the associations.

Results
Data on 237,023 individuals aged ≥18 years [mean (SD) age 38.4 (16.0) years; 49.2% men] were analyzed. Compared with no chronic conditions, having 1, 2, 3, and ≥4 conditions was associated with 2.39 (95%CI=2.14, 2.66), 4.13 (95%CI=3.62, 4.71), 5.70 (95%CI=4.86, 6.69), and 9.99 (95%CI=8.18, 12.19) times higher odds for sleep problems. Pain (24.0%) explained the largest proportion of the association between multimorbidity and sleep problems, followed by anxiety (21.0%), depression (11.2%), and stress (10.4%).

Conclusions
Multimorbidity was associated with a substantially increased odds for sleep problems in adults from 46 LMICs. Future studies should assess whether addressing factors such as pain, anxiety, depression, and stress in people with multimorbidity can lead to improvement in sleep in this population.
Original languageEnglish
Pages (from-to)23-31
Number of pages9
JournalMaturitas
Volume160
Early online date20 Jan 2022
DOIs
Publication statusE-pub ahead of print - 20 Jan 2022

Bibliographical note

Publisher Copyright:
© 2022

Keywords

  • Multimorbidity
  • sleep problems
  • sleep disorders
  • low- and middle-income countries
  • epidemiology
  • Sleep disorders
  • Low- and middle-income countries
  • Sleep problems
  • Epidemiology

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