Myopia (IE

question 21

Multiple Choice

Myopia (i.e. ,nearsightedness) is a result of environmental and genetic factors.In Singapore,the percent of military personnel having myopia increased dramatically over a 20-year period.Based on this fact,researchers wondered if the effect of the environment might be stronger and the genetic effect much less pronounced than previously thought.To study this issue,data from a random sample of 429 men,ages nineteen to twenty-five,in the Singapore military were obtained.Among other things,the men in the study were classified as to whether or not they had myopia and whether at least one of their parents had myopia.The results are presented in the table below. Let x be the indicator variable We wish to fit a logistic regression model, ,where p is the binomial probability that a man in the Singapore military has myopia and log is the natural logarithm. Based on the data in the table,what is the estimate b₁ of ₁?

• A)0.561
• B)1.711
• C)2.272
• D)5.536

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Definitions:

Temporarily

Refers to something occurring for a limited time period, not permanent or enduring.

Gender Roles

Are the set of behaviours associated with widely shared expectations about how males and females are supposed to act.

Males And Females

The two primary categories of biological and gender identity, based on physiological and reproductive characteristics.

Behavioural Change

A modification in human behavior, often targeted by public health, psychological, or social strategies to improve welfare and health outcomes.