[Evaluation of a questionnaire for measuring individual environmental exposure to disinfection byproducts found in drinking water]. 2006

Elena Righi, and Guglielmina Fantuzzi, and Annalisa Bargellini, and Loretta Casolari, and Gabriella Aggazzotti
Dipartimento di Scienze di Sanità Pubblica, Università degli studi di Modena e Reggio Emilia.

Epidemiological studies to evaluate the association between environmental exposure to risk factors and negative health effects often use population level aggregated data to measure exposure, but do not consider personal characteristics that may affect the degree of exposure at the individual level. The aim of this study was to evaluate the validity and reproducibility of a questionnaire specifically designed to measure individual oral, inhalation and transdermal exposure to disinfection byproducts in drinking water. Reproducibility of the questionnaire was evaluated by administering the questionnaire twice, in different time periods, to the same subjects. On the other hand, validity was tested by comparing responses to the questions with information contained in diaries filled out by the subjects daily over a period of one week (gold standard). Questionnaire reproducibilty and validity were both found to be very good, as shown by high Spearman's correlaton coefficients, Intraclass correlation coefficients (ICC), kappa concordance coefficient, sensibility and specificity. The use of a questionnaire such as the one evaluated in this study may be a valuable aid when conductin epidemiological studies to assess individual environmental exposure to risk factors found in drinking water and to explain the effect of such factors on human health.

UI MeSH Term Description Entries
D009790 Occupations Crafts, trades, professions, or other means of earning a living. Vocations,Occupation,Vocation
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D003627 Data Interpretation, Statistical Application of statistical procedures to analyze specific observed or assumed facts from a particular study. Data Analysis, Statistical,Data Interpretations, Statistical,Interpretation, Statistical Data,Statistical Data Analysis,Statistical Data Interpretation,Analyses, Statistical Data,Analysis, Statistical Data,Data Analyses, Statistical,Interpretations, Statistical Data,Statistical Data Analyses,Statistical Data Interpretations
D004202 Disinfectants Substances used on inanimate objects that destroy harmful microorganisms or inhibit their activity. Disinfectants are classed as complete, destroying SPORES as well as vegetative forms of microorganisms, or incomplete, destroying only vegetative forms of the organisms. They are distinguished from ANTISEPTICS, which are local anti-infective agents used on humans and other animals. (From Hawley's Condensed Chemical Dictionary, 11th ed) Biocide,Disinfectant,Biocides
D004493 Education Acquisition of knowledge as a result of instruction in a formal course of study. Literacy Programs,Training Programs,Activities, Educational,Educational Activities,Workshops,Activity, Educational,Educational Activity,Literacy Program,Program, Literacy,Program, Training,Programs, Literacy,Programs, Training,Training Program,Workshop
D004781 Environmental Exposure The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. Exposure, Environmental,Environmental Exposures,Exposures, Environmental
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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