Question 1 4 marks This question relates to the following table extracted from an article by Chang et al entitled Association of triglyceride glucose index with prognosis of COVID 19 A population based study published in the Journal of Infection and Public Health (2022) Using the information provided in the table, answer the following questions showing your working and providing answers to two decimal places 1 mark Of those individuals who reported doing less than 1 day of physical activity per week, what proportion had severe complications of COVID 19 2 marks What percentage of individuals who had never smoked had severe complications of COVID 19 What percentage of individuals who had ever smoked (former or current smoker) had severe complications of COVID 19 Using this information, does this suggest a relationship between smoking habits and severe complications of COVID 19 1 mark In a single sentence describe whether you believe the Triglyceride (mg dL) measures for those participants without severe complications of COVID 19 has a unimodal and symmetric distribution Table 1 Baseline characteristics of COVID 19 patients according to prognosis P value Variable Total Primary outcome Without Severe complications of COVID 19 With Severe complications of COVID 19 Number of patients 3887 3598 289 1451 (37 33) 176 (60 90) 0 001 Sex, male 1275 (35 44)

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Question 1. [4 marks] This question relates to the following table extracted from an article by Chang et al. entitled Association of triglyceride-glucose index with

Question 1.[4 marks] This question relates to the following table extracted from an article by Chang et al. entitled "Association of triglyceride-glucose index with prognosis of COVID-19: A population-based study" published in the Journal of Infection and Public Health (2022). Using the information provided in the table, answer the following questions showing your working and providing answers to two decimal places.

[1 mark] Of those individuals who reported doing less than 1 day of physical activity per week, what proportion had severe complications of COVID-19?
[2 marks]
1. What percentage of individuals who had never smoked had severe complications of COVID-19?
2. What percentage of individuals who had ever smoked (former or current smoker) had severe complications of COVID-19?
3. Using this information, does this suggest a relationship between smoking habits and severe complications of COVID-19?
[1 mark] In a single sentence describe whether you believe the Triglyceride (mg/dL) measures for those participants without severe complications of COVID-19 has a unimodal and symmetric distribution.

Table 1 Baseline characteristics of COVID-19 patients according to prognosis. P-value Variable Total Primary outcome Without Severe complications of COVID-19 With Severe complications of COVID-19 Number of patients 3887 3598 289 1451 (37.33) 176 (60.90) : 0.001 Sex, male 1275 (35.44)