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Healthy lifestyle and longevity genetics associated with healthy life expectancy and years of life gained at age of 60 years: A prospective cohort study

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Abstract

Aim

To investigate the relationships between healthy lifestyles, longevity genetics, and major chronic noncommunicable diseases (NCDs) and death, and to estimate life expectancy and years of life gained at age of 60 years.

Subject and methods

A prospective cohort with a total of 317,552 participants without NCDs at recruitment was obtained from UK Biobank. Cox proportional hazards models were used to examine the associations of lifestyle score (HLS), polygenic risk score (PRS) for longevity, and their combinations with incident NCDs or all-cause mortality. Flexible parametric survival models were applied to predict both total and healthy life expectancy and years of life gained.

Results

During a median follow-up of 11.80 years, 76,833 incident cases of NCDs (24.2%) and 14,526 deaths (4.6%) occurred. At the age of 60 years, participants with both high HLS and high PRS could expect 3.93 (3.38, 4.47) and 4.72 (4.37, 5.06) years respectively of total and healthy life gained. Quitting smoking showed the largest benefits among various lifestyles. Women could gain greater benefits than men when they had higher scores.

Conclusion

Our study indicates that engaging in healthier lifestyles (especially a non-smoking lifestyle) brought a much greater level of benefits than PRS. The combinations of higher HLS and PRS could expect longer life expectancy and years of life gained. We must maintain and improve healthy lifestyles to prolong our health.

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Data availability

This research has been conducted using the UK Biobank Resource, under application 69550. All data used in this study are available through registration on the UK Biobank.

Abbreviations

NCDs:

noncommunicable diseases

HLS:

healthy lifestyle score

PRS:

polygenic risk score

LE:

life expectancy

HLE:

healthy life expectancy

BMI:

body mass index

WHR:

waist-to-hip ratio

SNP:

single nucleotide polymorphisms

ICD:

International Classification of Disease

IPAQ:

International Physical Activity Questionnaire

COVID-19:

coronavirus disease 2019

References

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Acknowledgments

This research has been conducted using the UK Biobank Resource, under application 69550. The authors wish to thank the UK Biobank participants and coordinators for this unique dataset.

Funding

This work was supported, in whole or in part, by the Bill & Melinda Gates Foundation (grant number: INV-016826 to Hualiang Lin).

Author information

Authors and Affiliations

Authors

Contributions

Rui Li: conceptualization, methodology, writing — original draft; Chuanbo Xie: revision, methodology, writing — review and editing; Lan Chen, Miao Cai, and Xiaojie Wang: methodology, software; Chongjian Wang, Zilong Zhang, and Junjie Hua: methodology, supervision; Haitao Li: data curation; Hualiang Lin: conceptualization, supervision, writing — review and editing. Rui Li and Chuanbo Xie prepared the manuscript, and all authors provided critical revisions. All authors had full access to the data and responsibility for the decision to submit for publication.

Corresponding author

Correspondence to Hualiang Lin.

Ethics declarations

Ethics approval

UK Biobank was approved by the National Health Service (NHS) National Research Ethics Service (16/NW/0274; ethics approval for UK Biobank studies).

Consent to participate

Not applicable

Consent for publication

Not applicable

Ethical statement

The UK Biobank received ethics approval from the North West Multicenter Research Ethics Committee (reference number 11/NW/03820). All participants gave written informed consent before enrolment in the study, which was conducted in accord with the principles of the Declaration of Helsinki.

Conflict of interest

The authors declare no conflicts and competing interests that could have appeared to influence the work reported in this paper.

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Li, R., Xie, C., Chen, L. et al. Healthy lifestyle and longevity genetics associated with healthy life expectancy and years of life gained at age of 60 years: A prospective cohort study. J Public Health (Berl.) (2023). https://doi.org/10.1007/s10389-023-02074-1

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  • DOI: https://doi.org/10.1007/s10389-023-02074-1

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