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Insomnia and Its Association with Successful Aging in the Older Indian Population: A Large Population-Based Study Based on LASI, Wave 1

Published online by Cambridge University Press:  27 August 2024

S. Leng ,
Y. Jin  and
X. Tang
S. Leng*
Affiliation:
1Sleep Medicine Center, Mental Health Center, Department of Respiratory and Critical Care Medicine
Y. Jin
Affiliation:
2Department of Urology, West China Hospital, Sichuan University, Chengdu, China
X. Tang
Affiliation:
1Sleep Medicine Center, Mental Health Center, Department of Respiratory and Critical Care Medicine
*
*Corresponding author.

Abstract

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Introduction

Evidence regarding the link between insomnia and successful aging (SA) in the older generation remains scarce.

Objectives

The purpose of this study is to explore the relationship of insomnia with SA within a substantial sample of the community-dwelling Indian population.

Methods

Data were drawn from the Longitudinal Ageing Study in India (LASI), Wave 1, conducted during 2017-2018. Older participants aged 60 years and above who completed both the insomnia and SA surveys were included. Insomnia was determined by the presence of at least one of three symptoms: 1) difficulty in initiating sleep; 2) difficulty in maintaining sleep; or 3) early morning awakening, occurring 5 or more times per week. SA was assessed by five components: 1) absence of chronic diseases; 2) low probability of disability; 3) high cognitive functionality; 4) low probability of depression; and 5) active social engagement. The association between insomnia and SA was examined through survey-weighted multivariable logistic regression, with adjustments made for potential covariates. Subgroup analyses were carried out to evaluate interactions with age, sex, alcohol use, and smoking status.

Results

A total of 31362 participants met the eligibility criteria. The overall weighted prevalence was 9.91% for insomnia and 23.94% for SA. In fully adjusted models, insomnia exhibited a negative association with SA (OR 0.70; 95% CI 0.63-0.78, see Table 1) and with each of SA’s components, except for the absence of chronic diseases (OR 0.94; 95% CI 0.85-1.04, see Table 1). Subgroup analyses, stratified by age, sex, alcohol use, or smoking status, did not reveal any significant interactions between insomnia and SA (p for interaction = 0.098, 0.873, 0.704, 0.095, respectively).Table 1.

Relationship between insomnia and successful aging.

InsomniaORs (95% CIs)
Unadjusted modelModel 1Model 2
NoReferenceReferenceReference
Yes
Successful aging0.50 (0.45, 0.55)0.54 (0.49, 0.60)0.70 (0.63, 0.78)
Absence of chronic diseases0.66 (0.61, 0.71)0.65 (0.60, 0.70)0.94 (0.85, 1.04) †
Low probability of disability0.43 (0.40, 0.46)0.45 (0.42, 0.49)0.51 (0.47, 0.55)
High cognitive functionality0.66 (0.61, 0.72)0.75 (0.68, 0.83)0.78 (0.71, 0.87)
Low probability of depression0.33 (0.30, 0.36)0.34 (0.31, 0.38)0.38 (0.34, 0.42)
Active social engagement0.79 (0.73, 0.86)0.87 (0.80, 0.95)0.86 (0.78, 0.94)

† p > 0.05; ORs, odds ratios; 95% CIs, 95% Confidence intervals.

Model 1 adjusted for: age, sex, level of education, work status, marital status, place of residence, economic status, caste; Model 2 adjusted for: model 1 plus body mass index (BMI), alcohol use, smoking status.

Conclusions

Insomnia was negatively linked with SA within the older Indian population. Future prospective studies are warranted to validate these relationships, investigate underlying mechanisms, and enhance the understanding and promotion of SA.

Disclosure of Interest

None Declared

Type
Abstract
Information
European Psychiatry , Volume 67 , Special Issue S1: Abstracts of the 32nd European Congress of Psychiatry , April 2024 , pp. S396
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of European Psychiatric Association
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