This question divided to 9 sub-question based on the following paper.

Zhang H, Greenwood DC, Risch HA, Bunce D, Hardie LJ, .Cade JE. Meat consumption and risk of incident dementia: cohort study of 493,888 UK Biobank participants. Am J Clin Nutr 2021;00:110.

Read the paper and answer the following questions

(b) What justifications do the authors give for conducting this study?

(c) What was the prevalence pattern of exposure to total meat consumption in this population?

(d) Look at Figure 2. In this figure the authors present the association between Alzheimers disease (AD) and different types of meat consumption (processed meat, unprocessed poultry, unprocessed red meat and total meat) by frequency categories.

The authors presented unadjusted Relative Risks (also known as Hazard Ratio in longitudinal studies), minimally adjusted and fully adjusted Hazard Ratios. Look at the total meat consumption, compared to those eating 0.1-3 times per week red meat (reference group) what was the relative risk for those who ate meat 7 or more times per week in the unadjusted model, minimally adjusted model and fully adjusted model? Please refer to the 95% CI when you comment on these risk ratios

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