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Determine whether there is statistically significant difference in health literacy between the intervention and control groups

Determine whether there is statistically significant difference in health literacy between the intervention and control groups.

Assessment question for Applied Statistics and Data Analysis for Public Health (MMB725024)

The healthy lifestyle dataset provided is obtained from a hypothetical study which was conducted to evaluate a lifestyle health education intervention. The aim of the intervention was to promote healthy lifestyles among university students. Improving health literacy and reducing weight were some of the objectives of the study. Details of variables in the dataset are presented in table 1 below.

Using the information provided, conduct statistical analysis to address the following objectives and present your findings in a 3000-word statistical analysis report.

  1. Evaluate the effect of the intervention on body mass index in:
    1. the intervention group
    2. the control group
  2. Evaluate the effect of the intervention on body mass index in the intervention compared to the control group.
  3. Examine whether there is statistically significant difference in the proportion of diabetes cases between the intervention and control groups.
  4. Determine whether there is statistically significant difference in health literacy between the intervention and control groups.
  5. Investigate and explain how health literacy, age and sex can be used to predict post-intervention body mass index among participants in the study.

Table 1. Description and coding of variables in the healthy lifestyle data

Variable name Description Coding information
Age  age of participants
asthmatic participant’s asthma status i.e. whether participant has asthma or has no asthma  0: No asthma1: asthma
diabetic participant’s diabetes status i.e. whether participant has diabetes or has no diabetes  0: No diabetes1: diabetes
Health Literacy percentage health literacy score 
height  height of participants
intervention Intervention status i.e. whether participants were allocated to the active intervention or control group  1: control group2: intervention group
location: location of participants (two campuses: campus A  and campus B) 1: campus A2: campus B
sex  male or female 1: male2: female
smoke Participant’s smoking status  0: Not smoking1: Smoking
weight1  weight of participants before intervention
weight2  weight of participants after intervention

NB: you are required to study the nature and properties of the given data and invoke relevant assumptions to inform your choice of statistical techniques.

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