1. NHS Digital.Health Survey for England—Health Social Care and Lifestyles. 2020. Available at:https://digital.nhs.uk/data-and-information/areas-of-interest/public-health/health-survey-for-england---health-social-care-and-lifestyles(accessed 13 October 2020).
2. World Health Organization (WHO).Prevalence of Tobacco Smoking: Europe.2018. Available at:https://apps.who.int/gho/data/node.sdg.3-a-viz?lang=en. (accessed 30 September 2020).
3. NHS Digital.Statistics on Smoking: England 2020.2020. Available at:https://digital.nhs.uk/data‐and‐information/publications/statistical/statistics‐on‐smoking/statistics‐on‐smoking‐england‐2020(accessed 23 March 2021).
4. Department of Health.Towards a Smokefree Generation: A Tobacco Control Plan for England.2017. Available at:https://www.gov.uk/government/publications/towards-a-smoke-free-generation-tobacco-control-plan-for-england(accessed 25 January 2018).
5. Understanding the Effects of Age, Period, and Cohort on Incidence and Mortality Rates