211 Unit #7

Question 1

In a forest plot, the square represents which of the following?

Sample size of the study
Study results statistic
Confidence Interval
Range of Values that could have resulted in the study

Answer 1

Study results statistic

Question 2

The forest plot allows the reader to see which of the following at a glance?

Only the overall statistic comparing across studies
Only the individual studies’ results statistics
Only the confidence interval for each study statistic
All of the above

Answer 2

all of the above

Question 3

Which of the following statements is true?

Children of women who have excessive weight gains during pregnancy (upper plot) are significantly more likely to be obese, compared to the children of women who have adequate weight gains during pregnancy.
The level of heterogeneity for the upper forest plot suggests that the summary statistic should be interpreted with caution.
The relationship between inadequate weight gain and child obesity (lower plot) is significant.
All of the above.

Answer 3

Children of women who have excessive weight gains during pregnancy (upper plot) are significantly more likely to be obese, compared to the children of women who have adequate weight gains during pregnancy.