1. Epidemiology Presentation about " Coffee consumption and pancreatic cancer "

15. Q4. A. what was the main out come under investigation? P-value Adjusted interval Confidence interval R.R Variable (P~0.001) After adjustment for cigarette smoking Men 1.4 Women 1.5 1.1 to 1.9 1.4 % Tobacco Men 1.3 Women 0.8 0.6- 1.3 0.9 Alcohol Men 0.7 Women o.7 Men 0.5 -1.1 Women 0.5-1.2 - Tea P 0.001 Men 2.6 Women 2.3 Men 2.6 Women 1.2-4.6 2 cups 1.7 3 or more 2.7 coffee

19. Q5. What possible confounding factors might there be? Were these measured? Exposure Coffee consumptions Confounder Alchol Smoking Tea Sex (men,women) Age Life style Pancreatic cancer

25. Q 6.B. complete presentation of numbers: No. Excluded from study No. Cases 8 Non-white 578 identified 4 Residents of other countries 405 interviewed 8 Pt. older than 79y 20 died 16 Whose interview information was questionable reliability 33 Discharged before interview 78 Too sick 369 pts. Analysis based on data from the remaining 14 Language difficulties 26 Refused to interview

26. Two principal diagnostic groups No. 371-pt. with other disorder No. 273-pt.with other pancreas&biliary tract No. Controls: 70 Hernia 65 Breast tumor 1118 Eligible pt. 41 Colitis enteritis or diverticulities 60 Colon 700 interviewed 26 Bowel obstruction,adhesion,fistula 25 Rectum 9 Died 17 gastritis 24 Stomach 131 Discharged before interview 47 Other gastroenterologic 9 Small intestine 179 Too ill 29 Benign tumor 8 Ovary 26 Language problems 21 Varicose vein,phlebities 8 Prostate 73 refused 20 Genitourinary disorder 7 Cervix 20 Neurological disorder 16 Melanoma 16 Gyrecologic disorders 15 Lymphoma 64 Other conditions

27. Cont.. Q6 B The analysis consisted of 644 pt. The analysis consisted of 644 pt. The analysis consisted of 644 pts No. Exclusions 17 Non-white 5 Foreign resident 4 Older than 79y 30 Whose interview un reliable