Number Percent
Original Sample 5,945 100.0
Ineligible
Participant in military in foreign country 14 .2
Participant in jail – no address 59 1.0
Participant deceased 108 1.8
Participant incapacitated/unable to participate 38 .6
Foreign student returned to home country 37 .6
Only one or two years of original data 340 5.7
Insufficient tracking information 289 4.9
Eligible Sample 5,060 85.1
Active Sample 5,060 100.0
Completions 3,421 67.7
Refusals 156 3.1
Verifying location and seeking cooperation 1,483 29.2