Table 2.
Study reach and sample representativeness by adopting clinics
| Clinic | Number of physicians engageda | EHR eligible N (%)b | Recruitment mailers sent n (%) | Telephone screened n (%) |
In-person screened n (%) |
Eligible patients n (%) |
Minority n (%)c | Older adults n (%)c | Female n (%)c |
Reach by clinic n (%)d |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 5 | 1,340 (12) | 1,175 (88) | 380 (32) | 190 (50) | 90 (47) | 9 (10) | 18 (20) | 44 (49) | 89 (23) |
| B | 9 | 1,514 (13) | 1,478 (98) | 401 (27) | 196 (49) | 102 (52) | 1 (1) | 21 (201) | 68 (67) | 102 (25) |
| C | 6 | 631 (6) | 631 (100) | 153 (24) | 53 (35) | 27 (51) | 8 (32) | 6 (24) | 19 (76) | 25 (16) |
| D | 3 | 1,006 (9) | 990 (98) | 208 (21) | 128 (62) | 71 (56) | 5 (8) | 14 (21) | 39 (59) | 66 (32) |
| E | 4 | 1,020 (9) | 1,000 (98) | 248 (25) | 143 (58) | 91 (64) | 1 (1) | 22 (25) | 57 (66) | 87 (35) |
| F | 5 | 777 (7) | 759 (98) | 194 (26) | 120 (62) | 47 (39) | 0 | 15 (33) | 30 (67) | 45 (23) |
| G | 36 | 4,532 (40) | 4,249 (94) | 1,075 (25) | 497 (46) | 169 (34) | 23 (15) | 47 (31) | 79 (52) | 153 (14) |
| H | 3 | 493 (4) | 487 (99) | 137 (28) | 85 (62) | 33 (39) | 1 (3) | 7 (22) | 32 (100) | 32 (23) |
Values in parentheses are proportions for which the denominator equals the n indicated in the preceding cell of the respective row, unless otherwise specified.
EHR electronic health record.
aPhysicians engaged (n = 58) were not mutually exclusive across clinics.
b% of patients from each clinic relative to the total sampling pool identified in the EHR query.
c% of participants of the indicated classification relative to the total enrolled sample from the respective clinic.
d% of patients that completed phone screening who were subsequently enrolled.