30.11 Quick review questions
A study (Lee et al. 2016b) compared using a vegan (\(n=46\)) and a conventional (\(n=47\)) diet for 12 weeks, for a group of Koreans with Type II diabetes. A summary of the data for iron levels are shown in Table 30.4.
- The sample size is missing from the ‘Difference’ row. What should the sample size in this row be?
- What is the standard deviation for the difference?
- What is the standard error for the difference?
- The two-tailed \(P\)-value for the comparison is given as \(P=0.046\).
What does this mean?
Lee Y-M, Kim S-A, Lee I-K, Kim J-G, Park K-G, Jeong J-Y, et al. Effect of a brown rice based vegan diet and conventional diabetic diet on glycemic control of patients with type 2 diabetes: A 12-week randomized clinical trial. PloS One. Public Library of Science; 2016b;11(6).