Characteristics Percent retained Wald chi-square p-Value
Overall 77.6
Helping children now and in the future 0.07 0.797
 Very important 77.7
 Not at all/somewhat important 77.2
Helping doctors/researchers learn more 1.85 0.182
 Very important 77.9
 Not at all/somewhat important 75.1
Learning more about health of self/child 13.16 0.001
 Very important 75.6
 Not at all/somewhat important 82.4
Feeling part of community 11.77 0.002
 Very important 74.7
 Not at all/somewhat important 79.6
Doctor supports participation 23.13 <0.0001
 Very important 70.9
 Not at all/somewhat important 79.8
Family/friends support participation 16.02 0.0003
 Very important 71.7
 Not at all/somewhat important 79.6
Receiving money/gifts 3.17 0.083
 Very important 73.4
 Not at all/somewhat important 78.1