Transition to retirement impact on smoking habit: results from a longitudinal analysis within the Survey of Health, Ageing and Retirement in Europe (SHARE) project.

"Declarations Conflict of interestThe authors have no competing interests to declare that are relevant to the content of this article. Ethical approval and Informed consentThe need for ethics approval and consent to participate in this non-interventional study derived from a secondary analysis of publicly available anonymised data was waived. Conflict of interest The authors have no competing interests to declare that are relevant to the content of this article."

"Funding Open access funding provided by Università degli Studi di Pavia within the CRUI-CARE Agreement. The work of PB is partially supported by a grant of the Cariplo Foundation (Grant: Aging and social research 2018: people, places and relations. Project: Pension reforms and spatial–temporal patterns in healthy ageing in Lombardy: quasi-natural experimental analysis of linked health and pension data in comparative Italian and European perspective—n. 2018–0863)."