Modeling healthcare costs attributable to secondhand smoke exposure at home among South Korean children

Jeewon Park, Seung Jin Bae

Research output: Contribution to journalArticlepeer-review

Abstract

Children exposed to secondhand smoke (SHS) are at increased risk for disease. We sought to estimate the medical costs among Korean children who were exposed to SHS at home. A Markov model was developed, including five diseases (asthma, acute otitis media, acute bronchitis, pneumonia and sudden infant death syndrome) that were significantly associated with SHS in children based on a systematic review. The time horizon of the analysis was 20 years (from birth to adulthood), and the cycle length was 1 week. The direct healthcare costs were discounted annually at 5%. Univariate and probabilistic sensitivity analyses were conducted. The Markov model estimated the healthcare costs for 20 years as 659.61 USD per exposed child, an increase of approximately 30% compared to the cost per unexposed child (507.32 USD). Sensitivity analysis suggested that the younger the age of the exposure, the greater the incremental healthcare costs incurred, implying that infants and young children were especially vulnerable to the SHS exposure. Findings of this study could provide key baseline data for future economic evaluations on SHS control policies in South Korea.

Original languageEnglish
Article number4496
Pages (from-to)1-12
Number of pages12
JournalInternational Journal of Environmental Research and Public Health
Volume17
Issue number12
DOIs
StatePublished - 2 Jun 2020

Keywords

  • Markov model
  • SHS
  • Secondhand smoke

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