Neco Model Questions Vol1 2022 Civic Education Question 45
Practice objective / multiple choice question 45 from the 2022 Neco Model Questions Vol1 Civic Education examination.
A health survey of 2000 secondary‑school students found that 250 reported using cannabis, of whom 120 experienced a decline in academic performance. Among the 1750 students who did not use cannabis, 180 experienced a similar decline. Calculate the relative risk (RR) of academic decline for cannabis users compared with non‑users, giving your answer to two decimal places. Based on this RR, does cannabis use associate with at least a two‑fold increase in risk?
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This is Neco Model Questions Vol1 2022 Civic Education Question 45. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Civic Education examination.
Difficulty level: Hard .
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