Association between daily Internet use and intrinsic capacity among middle-aged and older adults: A large Prospective Cohort Study from China (Preprint)

Author:

Chen Xing-LingORCID,Li JinORCID,Liu Hao-Hui,Ou Yang Xiao-Lu,Sun Shu-NingORCID,Ni Shi-Hao,Wang Ling-Jun,Yang Zhong-Qi,Lu LuORCID

Abstract

BACKGROUND

Background: Intrinsic capacity, as a comprehensive measure of an individual's functional ability, has gained prominence in the framework for healthy aging introduced by the World Health Organization (WHO). As Internet usage continues to integrate into daily life, it is imperative to scrutinize the association between Internet use and IC to effectively promote healthy aging among middle-aged and older population.

OBJECTIVE

This study aims to investigate the relationship between daily internet usage and intrinsic capacity, an aspect that has not been previously explored.

METHODS

This study was a secondary analysis that included data from the China Health and Retirement Longitudinal Study (CHARLS) 2011- 2015 including 16,070 participates. First, we evaluated the linear and nonlinear associations of daily internet use with intrinsic capacity using linear regression and regression splines. Subgroup and sensitivity analyses were used to investigate the heterogeneity of intrinsic capacity in specific conditions and the robustness of our results. Mediation effect analysis was utilized to determine how much the effect of daily internet use and intrinsic capacity depended on their social participation proportion.

RESULTS

After adjusting for demographic variables, socioeconomic factors, lifestyle behaviors, and health conditions, and examining the impact of daily internet use and frequency on changes in intrinsic capacity (IC), our findings indicated important associations. Specifically, daily internet use is significantly linked to a slower decline in IC over time (marginal effect: 1.58; 95% CI: 1.03, 2.12, P<0.001). Additionally, individuals with moderate and regular internet use frequency exhibit higher levels of maintenance in IC (marginal effect: 0.74; 95% CI: 0.45, 1.03, P<0.001). Notably, the relationship between IC changes and internet use frequency demonstrated a non-linear inverted U-shaped curve (nonlinear P-value <0.05). Subgroup analysis further revealed that improvements in IC vary based on age and gender. Moreover, mediation analysis denoted that more than 29.06% of the observed association is mediated by social participation.

CONCLUSIONS

The results of our study underscore the potential advantages of maintaining a moderate and regular patterns of internet use in promoting and preserving IC, thus preventing a rapid decline in IC, particularly in cognitive capacity, sensory, vitality, and locomotion. The effect may be related to social participation and thus results offer valuable insights for developing interventions to promote healthy aging among the middle-aged and elderly population.

CLINICALTRIAL

CHARLS was a survey approved by the Ethical Review Committee of Peking University (approval number IRB00001052–11015), and the study data were anonymous. Each participant provided signed informed consent at the time of participation. There was no requirement for additional ethics approval for approved data users.

Publisher

JMIR Publications Inc.

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3