Design of a Questionnaire

Barbeau A. Roy M. Bender G. Campanella G. Paris S. (1987). Ecogenetics of Parkinson's disease: Prevalence and environmental aspects in rural areas. The Canadian Journal of Neurological Sciences, 14, 36–41.

Butterfield P.G. Spencer P.S. Valanis B.G. Lindeman C.A. Nutt J.G. (1993). Environmental antecendents of young-onset Parkinson's disease. Neurology, 43, 1150–1158.

Clayton D. Hills M. (1993). Statistical models in epidemiology. Oxford: Oxford University Press.

Goldsmith J.R. Herishanu Y. Abarbanel I.M. Weinbaum Z. (1990). Clustering of Parkinson's disease points to environmental etiology. Archives of Environmental Health, 45, 88–93.

Hosmer D.W. Lemeshow S. (1989). Applied logistic regression. New York: John Wiley & Sons.

Landis J.R. Koch G.G. (1971). The measurement of observer agreement for categorical data. Biometrics, 33, 671–679.

Polit D.F. Hungler B.P. (1985). Essentials of nursing research: Methods and applications. Philadelphia: J.B. Lippincott.

Semchuk K.M. Love E.J. Lee R.G. (1992). Parkinson's disease and exposure to agricultural work and pesticide chemicals. Neurology, 42, 1328–1335.

U.S. Department of Commerce, Bureau of the Census. (1982). Alphabetical index of industries and occupations. Washington, D.C.: U.S. Government Printing Office.

U.S. Department of Commerce, Office of Federal Statistical Policy and Standards. (1980). Standard occupational classification manual. Washington, D.C.: U.S. Government Printing Office.

U.S. Office of Management and Budget. (1987). Standard industrial classification manual. (PB87–100012). Springfield, VA: National Technical Information Service.

Waltz C.F. Strickland O.L. Lenz E.R. (1984). Measurement in nursing research. Philadelphia: FA. Davis and Company.