![PPH4801/MPHDHM9 MaylJune 2018 SECTCION B: QUESTION 1 1.1 Discuss the strengths and limitations of cohort studies. 12 Compare and contrast the design features of prospective and ret Co 0 (15) cohort studies (10) 1251 QUESTION 2: 21 Explain and discuss the advantages and disadvantages of a cross-sectional study (15) [15] QUESTION 3 3 1 Discuss the strengths and limitations of case-control studies 32 Compare and contrast the utlity of hospital and neighborhood controls 33 Explain/argue why is there potental for bias a particular problem in case-control (15) (10) (10) 135] TOTAL: [100] First Examiners: Mr MT MAMAHLODI Second Examiner: Prof ON MAKHUBELA-NKONDO External Examiner: Mrs RE LEHLOKA UNISA 2018](http://img.homeworklib.com/questions/0411f780-730a-11ea-b3f0-29feff5e0e96.png?x-oss-process=image/resize,w_560)
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PPH4801/MPHDHM9 MaylJune 2018 SECTCION B: QUESTION 1 1.1 Discuss the strengths and limitations of cohort studies....
PPH4801/MPHDHM9 JAN/FEB 2017 SECTION B. You MUST answer a TOTAL of THREE (3) questons QUESTION 1...
PPH4801/MPHDHM9 JAN/FEB 2017 SECTION B. You MUST answer a TOTAL of THREE (3) questons QUESTION 1 An investigator wants to assess whether smoking is a nsk factor for pancreatic cancer Electronic medical records at a local hospital will be used to identfy 50 patents with pancreatic cancer One hundred patients who are similar but free from pancreatic cancer will also be selected Each particapant's health record will be analysed for smoking history 11 Name the type of study proposed 12...
PPH4801/MPHDHM9 Jan/Feb 2018 SECTCION B: QUESTION 1 Match each of the following studies as, and descnbe...
PPH4801/MPHDHM9 Jan/Feb 2018 SECTCION B: QUESTION 1 Match each of the following studies as, and descnbe the advantages each a Expenmental b Observatonal cohort c Observational case-control e Not an analytical or epidemiologic study -Representative sample of residents were telephoned and asked how much they exercise each week and whether they currently have (have ever been diagnosed with) heart disease 2 Occurrence of cancer was identfied between Apni 1991 and July 2002 for 50,000 troops who served in the first...
10 PPH4801/MPHDHM9 Jan/Feb 2016 QUESTION 2 A clinical tral is run to assess the efficacy of...
10 PPH4801/MPHDHM9 Jan/Feb 2016 QUESTION 2 A clinical tral is run to assess the efficacy of a new drug to reduce high blood pressure Patents with a diagnosis of hypertension are recruted to participate in the tnal and randomised to receive ether the new drug or placebo Particpants take the assigned drug for 12 weeks and their blood pressure status is recorded At the end of the tral, participants are classified as stil having hypertension or not The data are...
All of the following questions are in relation to the following journal article which is available...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
PPH4801/MPHDHM9 JAN/FEB 2017 SECTION B. You MUST answer a TOTAL of THREE (3) questons QUESTION 1 An investigator wants to assess whether smoking is a nsk factor for pancreatic cancer Electronic medical records at a local hospital will be used to identfy 50 patents with pancreatic cancer One hundred patients who are similar but free from pancreatic cancer will also be selected Each particapant's health record will be analysed for smoking history 11 Name the type of study proposed 12...
PPH4801/MPHDHM9 Jan/Feb 2018 SECTCION B: QUESTION 1 Match each of the following studies as, and descnbe the advantages each a Expenmental b Observatonal cohort c Observational case-control e Not an analytical or epidemiologic study -Representative sample of residents were telephoned and asked how much they exercise each week and whether they currently have (have ever been diagnosed with) heart disease 2 Occurrence of cancer was identfied between Apni 1991 and July 2002 for 50,000 troops who served in the first...
10 PPH4801/MPHDHM9 Jan/Feb 2016 QUESTION 2 A clinical tral is run to assess the efficacy of a new drug to reduce high blood pressure Patents with a diagnosis of hypertension are recruted to participate in the tnal and randomised to receive ether the new drug or placebo Particpants take the assigned drug for 12 weeks and their blood pressure status is recorded At the end of the tral, participants are classified as stil having hypertension or not The data are...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
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