Countries: Australia, Canada, France, Germany, the Netherlands, New Zealand, Norway, Sweden, Switzerland, the U.K., and the U.S
Survey Organization: Social Science Research Solutions and contractors in each country. This additional support was provided by: the German Federal Ministry of Health and the BQS Institute for Quality and Patient Safety; Haute Autorité de Santé and Caisse Nationale d’Assurance Maladie des Travailleurs Salariés (France); the Dutch Ministry of Health, Welfare, and Sport and the Scientific Institute for Quality of Healthcare at Radboud University Nijmegen Medical Centre; the Norwegian Knowledge Centre for the Health Services; the Swedish Ministry of Health and Social Affairs; the Swiss Federal Office of Public Health; the New South Wales Bureau of Health Information (Australia); the Health Council of Canada, Health Quality Ontario, Commissaire à la Santé et au Bien-être du Québec, and Health Quality Council of Alberta.
Sample: Adults age 18 or older
Sample size: The final samples of adults included: Australia, 2,200; Canada, 5,412; France, 1,406; Germany, 1,125; Netherlands, 1,000; New Zealand, l,000; Norway, 1,000; Sweden, 2,400; Switzerland, 1,500; United Kingdom, 1,000; and United States, 2,002. The margin-of-sample error at the 95 percent confidence level was: +/–2% for Canada; +/–3% for Australia, France, Germany, the Netherlands, Sweden, Switzerland, and the U.S., and +/– 4% for Norway, New Zealand, and the U.K.
Interview Method: Telephone