Table 1. Characteristics of Participant and Nonparticipant Groups.
| Characteristic | Nonparticipants (n = 47) |
Participants (n = 100) |
|---|---|---|
| Age, mean (SD), y | 69 (9.9) | 65 (12.4) |
| Men, No. (%) | NA | 64 (64) |
| Race, No. (%) | ||
| White | 17 (37) | 51 (51) |
| Black | 20 (43) | 33 (33) |
| Asian | 8 (17) | 13 (13) |
| Othera | 1 (2) | 3 (3) |
| General health, No. (%) | ||
| Excellent | 8 (17) | 30 (30) |
| Good | 27 (57) | 55 (55) |
| Fair | 11 (23) | 14 (14) |
| Poor | 1 (2) | 1(1) |
| Duration of glaucoma medication use, mean (SD), y | 8.9 (6.7) | 11.3 (9.1) |
| Self-reported glaucoma medication adherence over past month, mean (SD), % | 97 (6.0) | 91 (13.6) |
| Follows physicians’ orders, No. (%) | ||
| Strongly agree | 34 (72) | 57 (57) |
| Agree | 11 (23) | 37 (37) |
| Neutral | 2 (4) | 6 (6) |
| Nonadherence score, mean (SD)b | 35.9 (19.3) | 34.5 (18.8) |
| ≥50% Probability of nonadherence, No. (%)a | 5 (11) | 9 (9) |
Abbreviation: NA, not available.
a
Included Asian, Native American, and other.
b
Calculated using a 6-question risk calculator.