NDLI: Investigating the influence of working status changes on physical activity and non-communicable diseases in Korean middle-aged and older adults: insights from a longitudinal panel study

Content Provider	Springer Nature : BioMed Central
Author	Park, Jeong-Hui Choe, Ju-Pil Kim, Jisu Hwang, In-Whi Lee, Jung-Min
Abstract	Background Non-communicable diseases (NCDs) are a major global health challenge and occupational status is a critical determinant influencing NCD development, yet many cross-sectional studies have only linked current occupational status with specific diseases, overlooking broader temporal factors. The primary aim of the present study was to comprehensively elucidate the intricate interplay between alterations in working status, NCDs, and physical activity (PA) among Korean middle-aged and older adults, employing a longitudinal panel study design. Methods This study utilized longitudinal data from the Korean Longitudinal Study of Aging, covering the period from 2006 to 2020, with a median follow-up duration of 10 years. (n = 5101 participants aged 45 years and older). Changes in working status were categorized, focusing on (1) yes–yes (e.g., indicative of sustained employment), (2) yes–no (e.g., denoting a transition from employment to non-employment), (3) no–yes (e.g., representing a shift from non-employment to employment), and (4) no–no (reflecting a continual non-employment status). PA was defined as the total minutes of moderate-to-vigorous PA per week and categorized into two groups: <150 min/week and ≥ 150 min/week. Confounding factors included age, gender, marital status, education level, and body mass index. Relative risk ratios (RRR) with 95% confidence intervals (CI) were calculated using random-effect multinomial logistic regression. Results Individuals who were currently employed (adjusted RRR = 0.688, 95% CI = 0.656–0.722, p < 0.001) or who transitioned to employment (adjusted RRR = 0.755, 95% CI = 0.707–0.807, p < 0.001) had a reduced risk of physical inactivity. However, employed individuals had an increased risk of cardiovascular diseases (yes-yes: adjusted RRR = 1.653, 95% CI = 1.547–1.766, p < 0.001; no-yes: adjusted RRR = 1.168, 95% CI = 1.100–1.240, p < 0.001) and diabetes (yes-yes: adjusted RRR = 1.535, 95% CI = 1.464–1.610, p < 0.001; no-yes: adjusted RRR = 1.124, 95% CI = 1.078–1.173, p < 0.001). Additionally, current workers exhibited higher risks of cancer (yes-yes: adjusted RRR = 1.871, 95% CI = 1.721–2.035, p < 0.001; no-yes: adjusted RRR = 1.089, 95% CI = 1.018–1.166, p = 0.014) and chronic respiratory diseases (yes-yes: adjusted RRR = 1.467, 95% CI = 1.307–1.648, p < 0.001; no-yes: adjusted RRR = 1.121, 95% CI = 1.011–1.242, p = 0.029). Conclusion This longitudinal study revealed that individuals engaged in or transitioning to employment displayed a reduced likelihood of regular PA. Moreover, those with work history, transitioning, or consistently working, exhibited increased vulnerability to all NCDs compared to those without work experience.
Related Links	https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/s12889-024-21112-5.pdf
Ending Page	9
Page Count	9
Starting Page	1
File Format	HTM / HTML
ISSN	14712458
DOI	10.1186/s12889-024-21112-5
Journal	BMC Public Health
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-12-27
Access Restriction	Open
Subject Keyword	Public Health Medicine Epidemiology Biostatistics Vaccine Environmental Health Longitudinal panel study Working status Physical activity Non-communicable diseases Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health
Journal Impact Factor	3.5/2023
5-Year Journal Impact Factor	3.9/2023

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