Table 1

 Description of data sources

Survey/source namePurpose for citing the dataYear(s) usedHow data were collectedSample size
*http://www.nhri.org.tw/nhri_org/bs/biostat/e_proj5.htm
http://wwweng.dgoc.gov.tw/statisticsframe.htm
http://legacy.library.ucsf.edu/
PPS, probability proportional to size.
National Health Interview Survey of Taiwan*Smoking prevalence, number of young smokers, sources of cigarettes, and age of smoking initiation2001Face-to-face interview selected by multi-stage stratified PPS sampling. For 12–17 year olds, an additional written questionnaire collected6592 households, 26685 individuals
Biennial Survey Report and Yearbook of the Monopoly BureauSmoking consumption rates, tobacco sales, brand preference, and per capita cigarette consumption1963–1996 (biennial)Self administered questionnaires for subjects aged 16 or 18 years or older in the households selected by the PPS sampling method3970–6000 households, 13800–14500 individuals
Annual Statistics of the Directorate General of Customs Office Taiwan†Cigarette import data by country1986–2000Records on cigarette imports by country, divided by sales, volume, and yearAll legally imported cigarettes
Rainmaker Advertisement Spending ReportTobacco brand advertisement expenditures1995–2000Real time recording of all advertisements from 69 television channels (4 wireless, 65 cable) 67 newspapers, 91 magazines, and 8 radio channels all year round100% of advertisements were collected
Eastern Integrated Consumer Profile made by “Eastern Online iSURVEY”Cigarette advertisement readership1988–2001Face-to-face interview for consumption behaviour on consumer products for subjects aged 13–64 selected by two stage random PPS sampling1200–1344 individuals
Legacy Tobacco Documents Library at the University of California, San Francisco‡Assess whether tobacco companies targeted youth in Taiwan1970–2000With the use of the key word “Taiwan”, the website produced internal documents from companies, mainly Philip Morris and RJ Reynolds.2858 documents