The Public Health and Economic Burdens of Secondhand Smoke (SHS) Exposures of NeverSmoking Public Housing Residents Jacquelyn Mason, PhD National Healthy Homes Conference May 29, 2014 National Center for Environmental Health Division of Emergency and Environmental Health Services Background SHS is a major cause of disease1 There is no safe level of SHS2 A lower SES is associated with a higher smoking prevalence3 Several populations are especially vulnerable to SHS exposure Children2 Elderly2 Disabled4 1U.S. Department of Health and Human Services (2006). M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). 3Barbeau, E. M., N. Krieger, et al. (2004). 4Hall AB, Schumacher JR, Cannell MB, Berry JB, Schiaffino M, Park S. (2013). 2Öberg Background Secondhand smoke can migrate between units in multi-unit housing Cotinine levels1 Air transfer2 Measured environmental nicotine3 Tobacco odor3 88% of public housing is multi-unit4 1Wilson et al. (2011). B. A., M. J. Travers, et al. (2010). 3Kraev, T. A., G. Adamkiewicz, et al. (2009). 4U.S. Department of Housing and Urban Development (2008). 2King, Background HUD policy recommendations1,2 Smoke-free policy benefits: Improved health Lower expenditures • Health-related • Fewer fires • Property-related 1U.S. 2U.S. Department of Housing and Urban Development. Non-smoking policies in public housing (2009). Department of Housing and Urban Development. Non-smoking policies in public housing (2012). Study Objectives and Approach Objective Estimate the public health and economic burdens associated with SHS exposures among never smokers in public housing Approach Estimating the public health burden • Utilized methodology and health outcomes from the World Health Organization (WHO) report • Obtained published data from existing databases and the literature • Performed analysis for two blood cotinine limits of detection (LODs) = 0.015 and 0.05 ng/dL Estimating the economic burden • Used a Cost-of-illness approach • Obtained published data from existing databases and the literature Basis for Methods Used WHO Report on SHS (2010)1 Based on reviews and metaanalyses of literature Presents causal health outcomes Proposes methodology for estimating SHS-attributable burden 1Öberg M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). Summary of Health Outcomes Causallyrelated to SHS Exposure from WHO1 Adults Lung cancer Ischaemic heart disease (IHD) Asthma (onset) Asthma (exacerbation/severity) Chronic obstructive pulmonary disease (COPD) Breast cancer Stroke + = sufficient evidence of a causal relationship = suggestive evidence of an association 1Öberg M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). + + + Summary of Health Outcomes Causallyrelated to SHS Exposure from WHO1 Infants and Children Low birth weight (LBW) Sudden Infant Death Syndrome (SIDS) Lower respiratory infections (LRI) Otitis media (OM) (acute and/or recurrent) Asthma (onset) Preterm delivery + = sufficient evidence of a causal relationship = suggestive evidence of an association 1Öberg M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). + + + + + Relative Risks due to SHS exposure from the WHO Report (2010)1 Health Condition Relative Risk Lung Cancer Adults Ischemic Heart Disease Asthma Low Birth Weight Sudden Infant Death Syndrome Children Lower Respiratory Infection Otitis Media Asthma 1.21 1.27 1.97 1.38 1.94 1.55 1.66 1.32 1Öberg M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). Methods: Populations and Data Sources Used to Estimate the Public Health Burden Never Smokers1 Exposed to SHS2 Public Housing Population3 1Estimates Study population: Adult never smokers who live in public housing and are exposed to SHS of never smokers in the population were made using NHIS among households receiving gov’t housing assistance and income ≤ 200% of poverty level 2Estimated Proportion of never smoking population who are exposed to SHS were made using NHANES among income ≤1.3 times poverty level 3Supplied by the Department of Housing and Urban Development; extracted from the Public and Indian Housing Database Methods: WHO Methodology for Estimating the Public Health Burden1 1. 2. 3. 4. Collect health statistics (e.g. disease incidence, mortality rate, DALYs) Assess SHS exposure prevalence Estimate disease burden among non-smokers (neversmokers) Compute population attributable fraction (PAF) 𝑷𝑨𝑭 = 𝒑 𝑹𝑹−𝟏 𝒑 𝑹𝑹−𝟏 +𝟏 where p = proportion exposed to SHS RR = relative risk for health outcome 5. Calculate attributable burdens 1Öberg M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). Methods: Drivers for Estimating the Economic Burden Societal perspective All costs All payers Incremental/excess costs = with health condition – without health condition Human capital approach: Productivity losses due to lost wages 2011 dollars Healthcare – Personal Consumption Expenditures Price Index Productivity – Consumer Price Index Methods: Costs Included in Estimating the Economic Burden Direct Medical Direct Nonmedical Physician Visits Medications Outpatient Care Labs Travel Paid Childcare Societal Perspective Productivity: Mortality Productivity: Morbidity Work Absences Missed Schooldays Total Productivity Present Value of Lost Earnings Cost Data Sources by Health Outcome from WHO Report1 Health Outcome Lung Cancer Morbidity Lung Cancer Mortality Adults IHD Morbidity IHD Mortality Asthma Morbidity and Mortality LBW Morbidity LBW Mortality SIDS Children LRI OM Asthma Morbidity and Mortality 1Öberg Author(s), Publication Date Chang et al., 2004 Bradley et al., 2008 Trogdon, 2011 (personal communication) Rogers et al., 2011 Barnet and Nurmagambetov, 2010 Institute of Medicine, 2007 Based on Grosse et al. 2009 Based on Grosse et al., 2009 Shi et al., 2011; Leader et al., 2003 Soni, 2008; Alsarraf et al., 1999 Barnet and Nurmagambetov, 2010 M, Jaakkola MS, Prüss-Üstün A, Schweizer C, Woodward A. (2010). Preliminary Results: Annual Estimated Public Health and Economic Burdens (Blood Cotinine LOD = 0.05 ng/mL) Adults SHS-attributable Number with Productivity Health Condition Health Condition Direct Medical Losses Lung Cancer 19 $947,696 $2,078,214 IHD 286 $1,445,414 $21,613,294 Asthma 16,409 $55,331,463 $7,538,019 Total 16,714 $57,724,573 $31,229,527 Total $3,025,910 $23,058,708 $62,869,482 $88,954,100 Children SHS-attributable Number with Health Condition Health Condition Direct Medical $20,984,613 LBW 507 SIDS 11 -LRI 380 $2,873,486 OM 10439 $4,012,085 Asthma 10972 $37,006,816 Total 22309 $64,876,999 Productivity Losses Total $17,077,410 $38,062,023 $13,860,975 $13,860,975 $1,036,598 $3,910,084 $16,976,841 $20,988,926 $1,056,040 $38,062,856 $50,007,863 $114,884,862 Preliminary Results: Annual Estimated Public Health and Economic Burdens by LOD1 Number with Health Condition Adults 16,714 Children 22,309 39,023 LOD = 0.05 ng/mL Productivity Direct Medical Losses Total Costs $57,724,573 $31,229,527 $88,954,100 $64,876,999 $50,007,863 $114,884,862 $122,601,572 $81,237,390 $203,838,963 Number with Health Condition Adults 23,706 Children 29,223 52,929 LOD = 0.015 ng/mL Productivity Direct Medical Losses Total Costs $82,346,604 $53,106,084 $135,452,688 $90,972,407 $71,902,381 $162,874,788 $173,319,011 $125,008,465 $298,327,476 1Blood cotinine LOD Comparison with a Recent Study: Costs Included and SHS-exposure Classification Method Cost type/other King BA, Peck RM, Babb SD. (2013). Our study King et al. (2013) Comparison with a Recent Study: Results Our study1 ($ millions)2 King et al. (2013)3 ($ millions) Healthcare 123 101 (50-181) Productivity 81 N/A Unit renovation N/A 32 (18-50) Smoking-attributable fires N/A 21 (12-33) Total 204 154 (80-265) Cost type 1LOD = 0.05 ng/dL 2011 dollars 3King BA, Peck RM, Babb SD. (2013). 2In Limitations National disease/death rates and cost estimates may not be applicable to public housing residents Assumed RR for morbidity = RR for mortality, which may not be a valid assumption Included all never smokers who met our criteria regardless of where their SHS exposure occurred Blood cotinine levels reflect only recent exposures to cigarette smoke All societal costs not accounted for Did not include former and current smokers Conclusions The public health and economic burden associated with SHS exposures in public housing is significant. Implementation of a smoke-free policy in all U.S. public housing can help improve the health of public housing residents and reduce societal including medical costs. Co-Authors William Wheeler, MPH CDC/NCCDPHP Mary Jean Brown, ScD, Rn CDC/NCEH Acknowledgements Stephen Babb, MPH and Brian King, PhD CDC, NCCDPHP, Office of Smoking and Health Lydia Taghavi, AB U.S. Department of Housing and Urban Development, Office of Policy Development and Research Peter Ashley, DPH1; Alastair McFarlane ‡ , PhD; and Barry Steffen2, MS 1U.S. Department of Housing and Urban Development, Office of Healthy Homes and Lead Hazard Control/2Office of Policy Development and Research Turnsynbek Nurmagambetov, PhD CDC, NCEH, Air Pollution and Respiratory Branch Scott Grosse, PhD CDC, NCBDDD, Office of the Director References Barbeau, E. M., N. Krieger, et al. (2004). "Working class matters: socioeconomic disadvantage, race/ethnicity, gender, and smoking in NHIS 2000." Am J Public Health 94(2): 269-278. 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Association of RSV lower respiratory tract infection and subsequent healthcare use and costs: a Medicaid claims analysis in early-preterm, late-preterm, and full-term infants. J Med Econ 2011;14(3):335-40. Leader S, Yang H, DeVincenzo J, Jacobson P, Marcin JP, Murray DL. Time and out-of-pocket costs associated with respiratory syncytial virus hospitalization of infants. Value Health 2003;6(2):100-6. Soni A. Ear infections (otitis media) in children (0-17): use and expenditures, 2006, Statistical Brief #228. Rockville, MD: Agency for Healthcare Research and Quality 2008. Alsarraf R, Jung CJ, Perkins J, Crowley C, Alsarraf NW, Gates GA. Measuring the indirect and direct costs of acute otitis media. Arch Otolaryngol Head Neck Surg 1999;125(1):12-8. Questions My contact information: Jacquelyn Mason, PhD Email address: zao4@cdc.gov For more information please contact Centers for Disease Control and Prevention 1600 Clifton Road NE, Atlanta, GA 30333 Telephone: 1-800-CDC-INFO (232-4636)/TTY: 1-888-232-6348 E-mail: cdcinfo@cdc.gov Web: http://www.cdc.gov The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention. National Center for Environmental Health Division of Emergency and Environmental Health Services