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Table 2 Participants' guess on treatment allocation (number and proportion of women) in different trial arms at the end of the first trial year, the EPHT Trial

From: Results from a blind and a non-blind randomised trial run in parallel: experience from the Estonian Postmenopausal Hormone Therapy (EPHT) Trial

 

Don't know

Correct guess

Incorrect guess

Don't care

Blind HT

414

300

117

36

N = 867

48%

35%

13%

4%

Blind placebo

375

213

144

33

N = 765

49%

28%

19%

4%