Table 1.

Efficiency ratios for proactive and reactive recruitment methods.

Recruitment Method	Number Screened	Number Eligible	Number Enrolled	Eligibility Efficiency Ratio a	Enrollment Efficiency Ratio b
Proactive	196	193	158	98.4	80.6
Reactive	212	208	204	98.1	96.2
Total	408	401	362	98.2	88.7

^a Ratio of number eligible to number screened. ^b Ratio of number enrolled to number screened.