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Questionnaires for clinical and epidemiological purposes. Manon Labrecque,M.D., M.Sc. Role of Epidemiology in OA. « The discipline of Epidemiology focus on the distribution and determinants of Health-related states and disease in population.” The determinants are in 2 broad headings
Manon Labrecque,M.D., M.Sc.
(1) Occupation diseases (2-3-4) work-related disease
Ref: Burney PGJ Eur Respir J 1989;2:940-945
Thus, the questionnaire is a sensitive tool but not a specific one and while invaluable in etiological epidemiological studies in population at riks for OA,it is inadequate on its own for clinical case identification
Skin or Skin or IT not Feasible
Assessment of NSBR
Specific Inhalation Tests and/ or PEFR monitoring
Asthma related questions were originally derived from the IUATLD bronchialsymptom questionnaire, and included a cluster of five questionsthat had exhibited the best combinationof sensitivity and specificity for the detection of NSBR (referred to as the "discriminantfunction predictor" or DFP).
Ref: Burney PG. Int J Epidemiol. 1989 Mar;18(1):165-73.
These questions included
(1)Have you ever had trouble with your breathing? (continuously or repeatedly)
(2)Have you had an attack/episode of shortness of breath that came on following strenuous activity at any time in the last 12 months?
(3)Have you had wheezing or whistling in your chest at any time in the last 12 months?
(4)Have you been awakened during the night by an attack of the following symptom in the last 12 months: shortness of breath
(5)When you are near animals, feathers, or in a dusty part of the house, do you ever get a feeling of tightness in your chest?
Have you had an attack of asthma in the last 12 months?
Did a doctor ever tell you that you have asthma?
Are you currently taking any medicine (including inhalers, aerosols or tablets) for asthma?
(1) Occupational exposure and history
(2) General asthma questionnaire (Burney)
(3) Symptoms in relation to the workplace
(4) Non-occupational exposure related tocommon environmental aeroallergens and allergies
(5) Family historyof atopy and asthma
(6) Life-habits and smoking
When you are at work, do you ever
2. start to cough?
3. start to wheeze?
4. related to your work do theses problems lessen or disappear during the weekend or during holidays?
(3)LMWagents causing OA often induce late asthmatic reactions that,contrary to immediate reactions, are more difficult to relatetemporarily to work.