Introductory Biostatistics/Biostatistics Concepts & Applications

Get Expert's Help on Formulation and Evaluation of Research Hypothesis

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You will be given a prepared data set in which you will analyse data to evaluate research claims and statistical procedures used in the reporting of published work. This data may be different from the data in Assessment 1 and Assessment 2, as you will be using more advanced statistical methods for investigating a variety of hypotheses related to public health. This assignment covers Modules 1-10 of this unit for data analysis. All questions must be answered using the statistical methods from Modules 1-10.

The study description, questions and a dataset for this assessment will be made available one week (for 6 weeks unit)/two weeks (for 12 weeks unit) prior to the due date.

You can use IBM SPSS software for data analysis. Or you can use any other statistical software package that will allow you to import and analyse the given .sav data files.

In a SINGLE Word document, your report must:

  • Have a title page, which includes your full name and student ID, and the title of the assessment;
  • Have a content page, which lists the content of your report;
  • Tips for some selected questions or part of questions in AT3:
  • State the objectives and/or hypothesis of the study and justify the use of the selected statistical method/s to evaluate it;
  • Address all key issues related to the chosen statistical methods;
  • Analyse the given data using a statistical software package such as IBM SPSS;

Snipping Tool" to copy appropriate results from the SPSS output to word document;

  • Discuss the results in the context of the study question/hypothesis;
  • Provide a summary conclusion and impact of the findings in the context of the research question;
  • Evidence of originality and insight is expected throughout the presentation;
  • In case, you are analysing multiple variables for a question, please combine all these variables in each steps/sections in the presentation;
  • Have an appendix for all relevant data analysis
  • Present each question separately;
  • A clear and logical presentation is strongly
  • Please read the marking criteria/rubric.

Important information

  • The word limit does not include the content page, tables, graphs or
  • Your report must be formatted in A4 size (210 x 297 mm), with Times New Roman, size 12 font.

You must name your file with your file name and the assessment number: lastname- firstname-A3.docx

  • Your report must not be longer than 30 pages. If you have any more than that, only the first 30 pages will be
  • You must combine all the information into a SINGLE Word file, as you will only be able to make one submission to the assessment dropbox. For full information about submission, see the "Submission details and feedback" page later in this
  • You must not copy and paste information from the internet. If you do use internet information, please put it in your own words. References may not be required, but if you do use them, you must cite all of your sources using the Vancouver referencing style.
  • This assessment is worth 45% (HURDLE). It will be marked as a percentage of

For full information about how this assessment will be marked, refer to the Assessment criteria and rubric later in this book.


Study Description: A cross-sectional study was conducted in 2017 to determine the factors related to Health Related Quality of Life (HrQoL) and depression among people with type 2 diabetes mellitus (T2DM) in Bangladesh. The HrQoL was measured for each of the 1253 study participants in continuous scale between 0 and 1, where “0” represent the worst HrQoL and “1” represent the best HrQoL. The description of some selected variables are given in Table 1 below.

Table 1: Variable description with statistical code

Variable Description Statistical code (if any)
Gender Gender of patient 0 for male and 1 for female
Age Age of patient N/A
Location Area of residence 0 for rural and 1 for urban
Education Education level 0 for up to year 12 and 1 for

graduate and above

Duration_dm Duration of diabetes N/A
HbA1c Glycaemic level (HbA1c) 0 for controlled and 1 for


PA* Physical activity 0 for active and 1 for inactive
No_complic Number of complications N/A
HTN Hypertension 0 for no and 1 for yes
HrQoL Health Related Quality of life


Cog_func Cognitive function 0 for not-impaired and 1 for


Anxiety Presence of anxiety 0 for no-anxiety and 1 for anxiety
Depression Presence of depression 0 for no-depression and 1 for


Macro- and micro-vascular complications (CAD, stroke, diabetic foot, retinopathy, nephropathy and neuropathy) are related to type 2 diabetes mellitus. Internationally standard questionnaires were used to assess patients’ physical activity, HrQoL, cognitive function, anxiety and depression. Hypertension was defined either as known previous detection, patient on anti- hypertensive medication or newly discovered blood pressure (BP) reading with systolic>140mmHg and diastolic >90mmHg. Glycaemic status was considered ‘good controlled’ for HbA1c <7% and ‘uncontrolled’ for HbA1c >= 7%.


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