The table below summarizes baseline characteristics on patients participating in a clinical trial
characteristic placebo (n=125) experimental (n=125) p
mean (+/- sd) 54 +/- 4.5 53 +/- 4.9 0.7856
% female 39% 52% 0.0289
% less than high school education 24% 22% 0.0986
% completing h. s. 37% 36%
% completing some college 39% 42%
mean (+/- sd) total cholesterol 214 +/- 24.9 210 +/- 23.1 0.8954
mean (+/-) sd) systolic bp 136 +/- 13.8 134 +/- 12.4 0.4736
% current smokers 17% 15% 0.5741
% with diabetes 8% 3% 0.0438
1. which, if any, baseline characteristics are significantly different (at the 0.05 level of significance) between treatment groups?
a. age
b. total cholesterol
c. diabetes
d. % female
e. a and b
f. c and d