References
- Dean BB, Calimlim BM, Kindermann SL, Khandker RK, Tinkelman D. The impact of uncontrolled asthma on absenteeism and health-related quality of life. J Asthma. 2009;46(9):861–866.
- Blackman JA, Gurka MJ. Developmental and behavioral comorbidities of asthma in children. J Dev Behav Pediatr. 2007;28(2):92–99.
- Asthma society of Canada. Asthma facts & Statistics. 2016. http://www.asthma.ca/corp/newsroom/pdf/asthmastats.pdf.
- Limb SL, Brown KC, Wood RA, et al. Adult asthma severity in individuals with a history of childhood asthma. J Allergy Clin Immunol. 2005;115(1):61–66.
- Omachi TA, Iribarren C, Sarkar U, et al. Risk factors for death in adults with severe asthma. Ann Allergy Asthma Immunol. 2008;101(2):130–136.
- Barlow JH, Ellard DR. Psycho-educational interventions for children with chronic disease, parents and siblings: an overview of the research evidence base. Child Care Health Dev. 2004;30(6):637–645.
- Proceedings of the ATS workshop on refractory asthma: current understanding, recommendations, and unanswered questions. American Thoracic Society. Am J Respir Crit Care Med. 2000;162(6):2341–2345.
- Hair JF, Anderson RE, Tatham RL, Black WC. Multivariate Data Analysis. 5th ed. New Jersey: Prentice Hall; 1998.
- Austin PC, Steyerberg EW. The number of subjects per variable required in linear regression analyses. J Clin Epidemiol. 2015;68(6):627–636.
- Ungar WJ, Coyte PC. Pharmacy Medication Monitoring Program Advisory Board. Prospective study of the patient-level cost of asthma care in children. Pediatr Pulmonol. 2001;32(2):101–108.
- Kamble S, Bharmal M. Incremental direct expenditure of treating asthma in the united states. J Asthma. 2009;46(1):73–80. Feb
- Karaca-Mandic P, Jena AB, Joyce GF, Goldman DP. Out-of-pocket medication costs and use of medications and health care services among children with asthma. JAMA. 2012;307(12):1284–1291.
- Bossley CJ, Saglani S, Kavanagh C, et al. Corticosteroid responsiveness and clinical characteristics in childhood difficult asthma. Eur Respir J. 2009;34(5):1052–1059.
- Chipps BE, Zeiger RS, Borish L, et al. Key findings and clinical implications from the epidemiology and natural history of asthma: outcomes and treatment regimens (TENOR) study. J Allergy Clin Immunol. 2012;130(2):332–342.e10.
- Lange P, Parner J, Vestbo J, Schnohr P, Jensen G. A 15-year follow-up study of ventilatory function in adults with asthma. N Engl J Med. 1998;339(17):1194–1200.
- Ayres JG, Jyothish D, Ninan T. Brittle asthma. Paediatr Respir Rev. 2004;5(1):40–44.