Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

Study Design, Sampling Units and Sampling Frames-Nutritional Epidemiology-Assignment, Exercises of Epidemiology

Allama Iqbal Open University (AIOU)Epidemiology

In my uploads one can find assignment for many different courses of arts and management. All these assignments are from Allama Iqbal Open University. This one is for Nutritional Epidemiology course. It includes: Study, Design, Sampling, Units, Frames, Nutitional, Epidemiology, Measurement, Errors, Covariate, Calibration, Precision, Questionnaire

Typology: Exercises

2011/2012

Uploaded on 09/08/2012

ahmar
ahmar 🇵🇰

4.2

(27)

53 documents

1 / 7

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
2
(Department of Home & Health Sciences)
WARNING
1. PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING
THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD
OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
2. SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM
OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN
“AIOU PLAGIARISM POLICY”.
Course: Nutritional Epidemiology (7505) Semester: Spring, 2012
Level: Postgraduate Credit Hours: 3 (3+0)
Total Marks: 100 Pass Marks: 40
ASSIGNMENT NO. 1
(Unit 1–4)
Note: Answers the following questions. Distribution of marks is given against each
question.
Q. 1 Define nutitional epidemiology. Elaborate on objectives of nutritional
epidemiological research. (10)
Q.2 What is meant by study design? Briefly describe various types of study designs
in Nutritional epidemiological research. (20)
Q.3 Discuss the role of “chance” and “bias” in Epidemiological research. Give
examples to support your answer. (10)
Q.4 Discuss the factors involved in Designing and planning of nutritional
epidemiological studies. (10)
Q.5 What is meant by sampling units and sampling frames? Describe various types of
sampling techniques used in community based research. (10)
Q.6 Describe various types of measurement errors which can effect research
outcome. (10)
Q.7 Discuss the contents and principles of designing a questionnaire for data
collection. (10)
Q.8 Write short notes on the following:
a) Covariate measurement error in linear regression (10)
b) Role of calibration in precision of results. (10)
pf3
pf4
pf5

Partial preview of the text

Download Study Design, Sampling Units and Sampling Frames-Nutritional Epidemiology-Assignment and more Exercises Epidemiology in PDF only on Docsity!

(Department of Home & Health Sciences)

WARNING

1. PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD **OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.

  1. SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM** OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN “AIOU PLAGIARISM POLICY”. Course: Nutritional Epidemiology (7505) Semester: Spring, 2012 Level: Postgraduate Credit Hours: 3 (3+0) Total Marks: 100 Pass Marks: 40 ASSIGNMENT NO. 1 (Unit 1–4) Note: Answers the following questions. Distribution of marks is given against each question. Q. 1 Define nutitional epidemiology. Elaborate on objectives of nutritional epidemiological research. (10) Q.2 What is meant by study design? Briefly describe various types of study designs in Nutritional epidemiological research. (20) Q.3 Discuss the role of “chance” and “bias” in Epidemiological research. Give examples to support your answer. (10) Q.4 Discuss the factors involved in Designing and planning of nutritional epidemiological studies. (10) Q.5 What is meant by sampling units and sampling frames? Describe various types of sampling techniques used in community based research. (10) Q.6 Describe various types of measurement errors which can effect research outcome. (10) Q.7 Discuss the contents and principles of designing a questionnaire for data collection. (10) Q.8 Write short notes on the following: a) Covariate measurement error in linear regression (10) b) Role of calibration in precision of results. (10)

ASSIGNMENT NO. 2

(Units 5–8) Credit Hours: 3 (3+0) Total Marks: 100 Note: Answers the following questions. Distribution of marks is given against each question. Q. 1 Give classification of the most commonly used methods for measuring nutrient intake. Discuss advantages and disadvantages of food composition tables in detail. (20) Q.2 Enlist the methods used for assessment of food consumption at different levels. Discuss techniques, uses and limitations of household based surveys. (10) Q.3 Compare the advantages and disadvantages of prospective and retrospective methods of dietary assessment. (10) Q.4 Explain, purpose, construction and uses of Food Frequency Questionnaire (FFQ). (10) Q.5 Discuss biomarkers as safe method of nutritional assessment. (10) Q.6 Describe vitamin-D as marker of dietary intake. (10) Q.7 Enumerate factors affecting lipid levels in human body. Discuss the applicability of lipid measurement in epidemiological studies. (10) Q.8 Write short notes on the following: (20) a) What is meant by Bioavailability of Food? b) Uses of household surveys in epidemiological studies.

  • Calculation on Nutrient Intake from Data on Food Intake and on the Composition of Foods.
  • Food Groups and Food Scores. UNIT 6: HOUSEHOLD SURVEYS
  • Introduction
  • Characteristics of Household Data
  • Techniques, Uses and Limitations
  • Using Household Surveys in Epidemiological Studies. UNIT 7: INDIVIDUAL SURVEYS
  • Methods for Assessment of Present or Recent Data
  • Techniques, Uses and Limitations
  • Measurement Error in Dietary Assessment
  • Energy Adjustment, Effects of Measurement Error on Validity
  • Adjustment of Intake in the Distant Past
  • Problems of Retrospective Assessment in Population Sub Group UNIT 8: BIOCHEMICAL MARKERS OF NUTRIENT INTAKE
  • Prediction of Nutrient Intakes from the Values of Biochemical Markers of Nutrient Status.
  • Markers of Dietary Intake: Inorganic Nutrients
  • Markers of Dietary Intake: Lipids, protein, Dietary Fiber and Energy UNIT 9: THE VALIDATION OF DIETARY ASSESSMENT
  • The Context of Validation, Validation Techniques
  • Factors Affecting the Design of Validation Studies
  • Statistical Techniques and Interpretation Recommended Books:
  1. Barrie M. Margetts and Michael Nelson. Design concepts in Nutritional Epidemiology (1997), Oxford Printing Press.
  2. Walter Willer, Nutritional epidemiology, 1998, Oxford University Press.
  3. Spark Arlene. J. Nutrition in Public Health: Principles and practice. 2007 – CRC Press.

STUDENT GUIDE Course: Nutritional Epidemiology (750 5 ) Level: Post Graduate Dear Student, We welcome you to this AIOU Post Graduate Level course of Nutritional Epidemiology (750 5 ) which is one of the compulsory courses of Post Graduate Diploma in nutrition for physicians and later on M.Sc. Community Health & Nutrition. Its course book comprise of 1-9 units. Course objectives: a. To have an overview of the principles of Nutritional epidemiology. b. To have thorough understanding of design, planning and evaluation of Nutritional epidemiological studies. c. To know and understand the use of Food Composition Tables and Validation of Dietary Assessment. Details of the Course Course contents are attached for quick reference. Students should read the following details of the course carefully. Study Book Nutritional Epidemiology (7505) is having a weightage of 3(3+0) credit hours. It means three credit hours for theory only having no practical component. In this course focus is given to conduct Nutritional epidemiological research. A brief list of the contents is given. These are covered in detail in the text book provided in the study packet. The relevant material in the papers/articles, in research journals magazines available at their local libraries could also be helpful. Further you can discuss the different topics in the study session and in workshop with your class fellows, tutors and with resource person. It will help you in uplift and enlighten your knowledge and information about a specific topic. Part Time Tutor for Lectures You are allocated a part time tutor. The name and address of your tutor will be provided later by the concern Regional Office of AIOU. The tutor will help and guide you in studying the book and conducting activities related to study units. You are expected to take full advantage of the tutor's knowledge and experience. These tutors are also responsible for marking your assignments. Make all efforts to complete your

th week and the last unit i.e. unit- 9 can be studied in the 13 th week and the 2 nd assignment can be completed along with 14 th , 15 th and 16 th week. The last two weeks can be kept for examination and its preparation. It is therefore necessary to study the units completely before starting work on assignments. Workshop Workshop will be arranged for three days. Schedule of the workshop and venue will be sent to you during the study period. Workshop will cover some of the lectures of the specialists on important topics. The tutor will provide guidance for the workshop. Attendance in workshop is compulsory for all the students. Final Examination At the end there will be a final examination for each course. You will be expected to take this examination in the examination halls specially established for this purpose. Course Coordinator