References
- Moorman J E, Rudd R A, Johnson C A, King M, Minor P, Bailey C, Scalia M R, Akinbami L J. National surveillance for asthma—United States, 1980–2004. Mor Mortal Wkly Rep CDC Surveill Summ 2007; 56(SS08)1–14; 18–54, Available at http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5608a1.htm Accessed on November 7, 2007
- Fuhlbrigge A L, Adams R J, Guilbert T W, Grant E, Lozano P, Janson S L, Martinez F, Weiss K B, Weiss S T. The burden of asthma in the United States- Level and distribution are dependent on interpretation of the National Asthma Education and Prevention Program Guidelines. Am J Respir Crit Care Med 2002; 166: 1044–1049
- Bruce I, Harland R, McBride N, MacMahon J. Trends in the prevalence of asthma and dyspnoea in first year university students, 1972–89. Q J Med 1993; 86: 425–430
- Kivity S, Shochat Z, Bressler R, Wiener M, Lerman Y. The characteristics of bronchial asthma among a young adult population. Chest 1995; 108: 24–27
- Tirimanna P, Vanschayck C, den Otter J, van Weel C, van Herwaarden C L, van den Boom G, van Grunsven P M, van den Bosch W J. Prevalence of asthma and COPD in general practice in 1992: has is changed since 1977?. Br J Gen Pract 1996; 46: 277–281
- National Heart, Lung and Blood Institute. National Asthma Education and Prevention Program, Available at http://www.nhlbi.nih.gov/about/naepp/naep_pd.htm Accessed on September 7, 2007
- National Centers for Health Statistics, Health-E-Stats. Asthma prevalence, health care use and mortality. 2002, Available at http://www.cdc.gov/nchs/products/pubs/pubd/hestats/ashtma03-05/asthma03-05.htm Accessed on November 7, 2007
- American Lung Association. Trends in asthma morbidity and mortality. 2005, Available at http://www.lungusa.org/atf/cf/%7B7A8D42C2-FCCA-4604-8ADE-7F5D5E762256%7D/ASTHMA1.pdf Accessed on November 7, 2007
- Homer C J. Asthma disease management. N Engl J Med 1997; 337: 1461–1463
- Smith D H, Malone D C, Lawson K A, Okamoto L J, Battista C. A national estimate of the economic costs of asthma. Am J Respir Crit Care Med 1997; 156: 787–793
- Weiss K B, Gergen P J, Hodgson T A. An economic evaluation of asthma in the United States. NEJM 1992; 326: 862–826
- Weiss K B, Sullivan S D, Lyttle C S. Trends in the cost of illness for asthma in the United States, 1985–1994. J Allergy Clin Immunol 2000; 106: 493–499
- Druss B G, Marcus S C, Olfson M, Tanielian T, Elinson L, Pincus H A. Comparing the national economic burden of five chronic conditions. Health Affairs 2001; 20: 233–241
- Wang L Y, Zhong Y, Wheeler L. Direct and indirect costs of asthma in school-age children. Prev Chronic Dis [serial online] 2005; 2(1), Available at http://www.cdc.gov/pcd/issues/2005/jan/04_0053.htm Accessed on April 22, 2008
- Lozano P, Sullivan S D, Smith D H, Weiss K B. The economic burden of asthma in US children: estimates from the National Medical Expenditure Survey. J Allergy Clin Immunol 1999; 104: 957–963
- Yelin E, Trupin L, Cisternas M, Eisner M, Katz P, Blanc P. A national study of medical care expenditures for respiratory conditions. Eur Respir J 2002; 19: 414–421
- Ward M M, Javitz H S, Smith W M, Bakst A. A comparison of three approaches for attributing hospitalizations to specific diseases in cost analyses. Int J Technol Assess Health Care 2000; 16: 125–136
- Martin B C, Ricci J F, Kotzan J A, Lang K, Menzin J. The net cost of Alzheimer disease and related dementia: a population-based study of Georgia Medicaid recipients. Alzheimer Dis Assoc Disorders 2000; 14: 151–159
- Gabriel S E, Gabriel S E, Tosteson A NA, Leibson C L, Crowson C S, Pond G R, Hammond C S, Melton L J, III. Direct medical costs attributable to osteoporotic fractures. Osteoporosis Int 2002; 13: 323–330
- Birnbaum H G, Rachel H, Leong S A, Oster E F, Kinchen K, Sun P. Cost of stress urinary incontinence: a claims data analysis. Pharmacoeconomics 2004; 22: 95–105
- Lee D W, Meyer J W, Clouse J. Implications of controlling for comorbid conditions in cost-of-illness estimates: a case study of osteoarthritis from a managed care system perspective. Value in Health 2001; 4: 329–334
- Martin B C, Ganguly R, Pannicker S, Frech F, Barghout V. Utilization patterns and net direct medical cost to Medicaid of irritable bowel syndrome. Curr Med Res Opin 2003; 19: 771–780
- Duan N, Manning W, Morris C, Newhouse J. A comparison of alternative models for the demand for medical care. J Bus Econ Stat 1983; 1: 115–126
- Buntin M B, Zaslavsky A M. Too much ado about two-part models and transformation? Comparing methods of modeling Medicare expenditures. J Health Econ 2004; 23: 525–542
- Available at http://www.meps.ahcpr.gov/mepsweb/data_stats/download_data/pufs/h89/h89doc.pdf MEPS HC-089: 2004 full year consolidated data file. Agency for Healthcare Research and Quality 2006 Accessed on September 7, 2007
- Available at http://www.meps.ahrq.gov/mepsweb/survey_comp/hc_response_rate.jsp MEPS-HC Response rates by panel Accessed on November 6, 2007
- MEPS Topics: Prescription drugs, Available at http://www.meps.ahrq.gov/mepsweb/data_stats/MEPS_topics.jsp?topicid=14Z-1 Accessed on November 7, 2007
- MEPS HC-087: 2004 Medical conditions. Agency for Healthcare Research and Quality 2006, Available at http://www.meps.ahcpr.gov/mepsweb/data_stats/download_data/pufs/h89/h89doc.pdf Accessed on September 7, 2007
- Ezzati-Rice T M, Kashihara D, Machlin S R. Health care expenses in the United States, 2000. for Healthcare Research and Quality (AHRQ), Rockville, MD 2004, MEPS Research Findings No. 21: AHRQ Pub. 04-0022
- Cohen J W, Machlin M R, Zuvekas S H, Stagnitti M N, Thorpe J M. Health care expenses in the United States, 1996. Agency for Healthcare Research and Quality, Rockville, MD 2000, Available at http://www.meps.ahrq.gov/data_files/publications/rf12/rf12.shtml MEPS Research Findings No.12 Accessed on February 9, 2008
- Eken C. The relationship of air pollution to ED visits for asthma differs between children and adults. Am J Emerg Med 2007; 25: 852
- Available at http://www.bls.gov/cpi/cpid07av.pdf http://www.bls.gov/cpi/cpid05av.pdf Consumer Price Index for All Urban Consumers (CPI-U): U. S. city average, by expenditure category and commodity and service group U. S. Department of Labor. Bureau of Labor Statistics Accessed on March 27, 2007
- D'Hoore W, Bouckaert A, Tilquin C. Practical considerations on the use of the Charlson Comorbidity Index with administrative databases. J Clin Epidemiol 1996; 49: 1429–1433
- Fishman P A, Shay D K. Development and estimation of pediatric chronic disease score using automated pharmacy data. Medical Care 1999; 37: 874–883
- Schneeweiss S, Seeger J, Maclure M, Wang P, Avorn J, Glynn R J. Performance of comorbidity scores to control for confounding in epidemiologic studies using claims data. American Journal of Epidemiology 2001; 154: 854–864
- Cerner Multum Lexicon, Available at www.multum.com/Lexicon.htm Accessed on March 27, 2008
- Available at http://www.meps.ahrq.gov/mepsweb/data_stats/download_data/pufs/h85a/h85adoc.pdf MEPS HC-085A: 2004 Prescribed Medicines. Agency for Healthcare Research and Quality 2006 Accessed on March 27, 2008
- Manning W G, Mullahy J. Estimating log models: to transform or not to transform?. Journal of Health Economics 2001; 20: 461–494
- Park R. Estimation with heteroscedastic error terms. Econometrica 1966; 34: 888
- SAS Institute Inc. Statistical Software version 9.1.3. SAS Institute Inc, Cary, NC 2004
- StataCorp. Statistical Software: Release 10.0. Stata Corporation, College Station, Tex 2007
- Akinbami L. Asthma prevalence, health care use and mortality: United States 2003–2005. National Centers for Health Statistics, Available at http://www.cdc.gov/nchs/products/pubs/pubd/hestats/ashtma03-05/asthma03-05.htm Accessed on November 7, 2007
- Garis R I, Farmer K C. Examining costs of chronic conditions in a Medicaid population. Managed Care 2002; 11: 43–50
- National Heart, Lung and Blood Institute Chartbook, Department U.S of Health and Human Services, National Institute of Health. 2007, Available at http://www.nhlbi.nih.gov/resources/docs/07a-chtbk.pdf Accessed on November 7, 2007
- Lewis C E, Rachelefsky G, Lewis M A, de la Sota A, Kaplan M. A randomized trial of A. C. T. (asthma care training) for kids. Pediatrics 1984; 74: 478–486
- Kelly C S, Morrow A L, Shults J, Nakas N, Strope G L, Adelman R D. Outcomes evaluation of a comprehensive intervention program for asthmatic children enrolled in Medicaid. Pediatrics 2000; 105: 1029–1035
- Teach S J, Crain E F, Quint D M, Hylan M L, Joseph J G. Improved asthma outcomes in a pediatric population. Arch Pediatr Adolesc Med. 2006; 160: 535–541
- Sullivan S D, Weiss K B, Lynn H, Mitchell H, Kattan M, Gergen P J, Evans R. National Cooperative Inner–City Asthma Study (NCICAS). The cost-effectiveness of an inner city asthma intervention for children. J Allergy Clin Immunol 2002; 110: 576–581