References
- Dent J, El-Serag HB, Wallander MA, Johansson S. Epidemiology of gastro-oesophageal reflux disease: a systematic review. Gut 2005;54:710–17.
- Wiklund I. Quality of life in patients with gastroesophageal reflux disease. Am J Gastroenterol 2001;96(8 Suppl):S46–53.
- Wahlqvist P, Reilly MC, Barkun A. Systematic review: the impact of gastro-oesophageal reflux disease on work productivity. Aliment Pharmacol Ther 2006;24:259–72.
- Mason J, Hungin AP. Review article: gastro-oesophageal reflux disease–the health economic implications. Aliment Pharmacol Ther 2005;22(Suppl 1):20–31.
- Locke GR 3rd, Talley NJ, Fett SL, Zinsmeister AR, Melton LJ 3rd. Prevalence and clinical spectrum of gastroesophageal reflux: a population-based study in Olmsted County, Minnesota. Gastroenterology 1997;112:1448–56.
- Groen JN, Smout AJ. Supra-oesophageal manifestations of gastro-oesophageal reflux disease. Eur J Gastroenterol Hepatol 2003;15:1339–50.
- Sontag SJ, O'Connell S, Khandelwal S, Greenlee H, Schnell T, Nemchausky B, Asthmatics with gastroesophageal reflux: long term results of a randomized trial of medical and surgical antireflux therapies. Am J Gastroenterol 2003;98:987–99.
- Qadeer MA, Phillips CO, Lopez AR, Steward DL, Noordzij JP, Wo JM, Proton pump inhibitor therapy for suspected GERD-related chronic laryngitis: a meta-analysis of randomized controlled trials. Am J Gastroenterol 2006;101:2646–54.
- Chang AB, Lasserson TJ, Kiljander TO, Connor FL, Gaffney JT, Garske LA. Systematic review and meta-analysis of randomised controlled trials of gastro-oesophageal reflux interventions for chronic cough associated with gastro-oesophageal reflux. BMJ 2006;332:11–17.
- Mastronarde JG, Anthonisen NR, Castro M, Holbrook JT, Leone FT, Teague WG, Efficacy of esomeprazole for treatment of poorly controlled asthma. N Engl J Med 2009;360:1487–99.
- Olberg P, Johannessen R, Johnsen G, Myrvold HE, Bjerkeset T, Fjosne U, Long-term outcome of surgically and medically treated patients with gastroesophageal reflux disease: a matched-pair follow-up study. Scand J Gastroenterol 2005;40:264–74.
- Johannessen R, Olberg P, Petersen H, Bjerkeset T, Johnsen G, Fjosne U, Airway symptoms and sleeping difficulties in patients with gastroesophageal Reflux Disease. Gut 2008;57(Suppl 2):P1038.
- Shaker R, Castell DO, Schoenfeld PS, Spechler SJ. Nighttime heartburn is an under-appreciated clinical problem that impacts sleep and daytime function: the results of a Gallup survey conducted on behalf of the American Gastroenterological Association. Am J Gastroenterol 2003;98:1487–93.
- Chen CL, Robert JJ, Orr WC. Sleep symptoms and gastroesophageal reflux. J Clin Gastroenterol 2008;42:13–17.
- Survey ECRH. Variations in the prevalence of respiratory symptoms, self-reported asthma attacks, and use of asthma medication in the European Community Respiratory Health Survey (ECRHS). Eur Respir J 1996;9:687–95.
- Birring SS, Prudon B, Carr AJ, Singh SJ, Morgan MD, Pavord ID. Development of a symptom specific health status measure for patients with chronic cough: Leicester Cough Questionnaire (LCQ). Thorax 2003;58:339–43.
- Revicki DA, Wood M, Wiklund I, Crawley J. Reliability and validity of the Gastrointestinal Symptom Rating Scale in patients with gastroesophageal reflux disease. Qual Life Res 1998;7:75–83.
- Talley NJ, Fullerton S, Junghard O, Wiklund I. Quality of life in patients with endoscopy-negative heartburn: reliability and sensitivity of disease-specific instruments. Am J Gastroenterol 2001;96:1998–2004.
- Urnes J, Johannessen T, Farup PG, Lydersen S, Petersen H. Digestive symptoms and their psychosocial impact: validation of a questionnaire. Scand J Gastroenterol 2006;41:1019–27.
- Buysse DJ, Reynolds CF 3rd, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Res 1989;28:193–213.
- Pallesen S, Nordhus IH, Omvik S, Sivertsen B, Matthiesen SB, Bjorvatn B. Pittsburgh sleep quality index. J Norwegian Psychol Assoc 2005;42:714–17.
- Johns MW. A new method for measuring daytime sleepiness: the Epworth sleepiness scale. Sleep 1991;14:540–5.
- Juniper EF, Guyatt GH, Willan A, Griffith LE. Determining a minimal important change in a disease-specific quality of life questionnaire. J Clin Epidemiol 1994;47:81–7.
- Lian OS, Wilsgaard T. Patient satisfaction with primary health care before and after the introduction of a list patient system. Tidsskr Nor Laegeforen 2004;124:655–8.
- Pinnock H, Shah R. Asthma. BMJ 2007;334:847–50.
- Rabe KF, Hurd S, Anzueto A, Barnes PJ, Buist SA, Calverley P, Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summary. Am J Respir Crit Care Med 2007;176:532–55.
- Wark P. Bronchitis (acute). Clin Evid 2008; Online.
- Hopstaken RM, Muris JW, Knottnerus JA, Kester AD, Rinkens PE, Dinant GJ. Contributions of symptoms, signs, erythrocyte sedimentation rate, and C-reactive protein to a diagnosis of pneumonia in acute lower respiratory tract infection. Br J Gen Pract 2003;53:358–64.
- Pett MA, Lackey NR, Sullivan JJ. Making Sense of Factor Analysis: the use of Factor Analysis for Instrument Development in Health Care Research. Thousand Oaks, Calif: Sage Pub; 2003.
- Andersson O, Ryden A, Ruth M, Ylitalo Moller R, Finizia C. Validation of the Swedish translation of LPR-HRQL. Med Sci Monit 2010;16:CR480–7.
- Holmen J, Midthjell K, Kruger O, Langhammer A, Holmen TL, Bratberg GH, The Nord-Trøndelag Health Study 1995–97 (HUNT 2): Objectives, contents, methods and participation. Nor Epidemiol 2003;13:19–32.
- Eaker S, Bergstrom R, Bergstrom A, Adami HO, Nyren O. Response rate to mailed epidemiologic questionnaires: a population-based randomized trial of variations in design and mailing routines. Am J Epidemiol 1998;147:74–82.
- Greer T, Dunlap WP, Hunter ST, Berman ME. Skew and internal consistency. J Appl Psychol 2006;91:1351–8.
- Tabachnick BG, Fidell LS. Using multivariate statistics. Boston, MA: Allyn and Bacon; 2001.
- Comrey AL, Lee HB. A first course in factor analysis. Hillsdale, N.J.: L. Erlbaum Associates; 1992.
- Rosner B. Fundamentals of biostatistics. Belmont, CA: Thomson-Brooks/Cole; 2006.
- Lindberg E, Elmasry A, Janson C, Gislason T. Reported snoring–does validity differ by age? J Sleep Res 2000;9:197–200.
- Belafsky PC, Postma GN, Koufman JA. The validity and reliability of the reflux finding score (RFS). Laryngoscope 2001;111:1313–17.
- Hicks DM, Ours TM, Abelson TI, Vaezi MF, Richter JE. The prevalence of hypopharynx findings associated with gastroesophageal reflux in normal volunteers. J Voice 2002;16:564–79.
- Vavricka SR, Storck CA, Wildi SM, Tutuian R, Wiegand N, Rousson V, Limited diagnostic value of laryngopharyngeal lesions in patients with gastroesophageal reflux during routine upper gastrointestinal endoscopy. Am J Gastroenterol 2007;102:716–22.