Which of the following is the most fundamental limitation of studies linking physical inactivity to an increased risk of mortality?
A) Lack of randomised controlled trials
B) Lack of control of pre-existing illness
C) Measurements of mortality are often inaccurate
D) Physical activity has been assessed using questionnaires and these may be inaccurate
Correct Answer:
Verified
Q2: How many additional years could an active/fit
Q3: Why is the association between television viewing
Q4: According to the meta-analysis by Kodama et
Q5: Which of the following statements is false?
A)
Q6: What type of study is the Aerobics
Q7: Which statistic quantifies the proportion of individuals
Q8: In epidemiology, what is meant by 'confounding'?
A)
Q9: What does the unit called the 'MET'
Q10: Which of the following statements is false?
A)
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