Table 1.
Sample characteristics.
| Characteristic | Total population (N=4815; weighted: 227,463,350) | Adopters (N=1987; weighted: 90,644,145) | Nonadopters (N=2828; weighted: 136,800,000) | P value | |
| Gender, n (%) |
|
|
|
<.001 | |
|
|
Male | 2069 (42.97%) | 781 (39.31%) | 1288 (45.54%) |
|
|
|
Female | 2746 (57.03%) | 1206 (60.69%) | 1540 (54.46%) |
|
| Race, n (%) |
|
|
|
.001 | |
|
|
Black | 772 (16.03%) | 255 (12.83%) | 517 (18.28%) |
|
|
|
White | 3755 (77.99%) | 1649 (82.99%) | 2106 (74.47%) |
|
| Ethnicity, n (%) |
|
|
|
.02 | |
|
|
Hispanic | 791 (16.43%) | 265 (13.34%) | 526 (18.60%) |
|
|
|
Non-Hispanic | 4024 (83.57%) | 1722 (86.66%) | 2302 (81.40%) |
|
| Age, µa (SD) | 56.3 (16.79) | 54.1 (16.01) | 57.8 (17.03) | .08 | |
| Education, n (%) |
|
|
|
<.001 | |
|
|
Less than HSb | 280 (5.82%) | 28 (1.41%) | 252 (8.91%) |
|
|
|
HS diploma | 2265 (47.04%) | 739 (37.19%) | 1526 (53.96%) |
|
|
|
College degree | 1307 (27.14%) | 651 (32.76%) | 656 (23.20%) |
|
|
|
Postgraduate degree | 963 (20.00%) | 569 (28.64%) | 394 (13.93%) |
|
| Income, n (%) |
|
|
|
<.001 | |
|
|
Less than US $20,000 | 762 (15.83%) | 154 (7.75%) | 608 (21.50%) |
|
|
|
US $20,000 to $34,999 | 547 (11.36%) | 164 (8.25%) | 383 (13.54%) |
|
|
|
US $35,000 to $49,999 | 575 (11.94%) | 233 (11.73%) | 342 (12.09%) |
|
|
|
US $50,000 to $74,999 | 786 (16.32%) | 363 (18.27%) | 423 (14.96%) |
|
|
|
US $75,000 or more | 1719 (35.70%) | 929 (46.75%) | 790 (27.93%) |
|
| Rural, n (%) |
|
|
|
.002 | |
|
|
Yes | 521 (10.82%) | 169 (8.51%) | 352 (12.48%) |
|
|
|
No | 4294 (89.18%) | 1818 (91.49%) | 2476 (87.55%) |
|
| Marital status, n (%) |
|
|
|
.001 | |
|
|
Married | 2656 (55.16%) | 1258 (63.31%) | 1398 (49.43%) |
|
|
|
Unmarried | 2159 (44.84%) | 729 (36.69%) | 1430 (50.57%) |
|
| Chronic condition, n (%) |
|
|
|
.06 | |
|
|
Yes | 2633 (54.68%) | 1051 (52.89%) | 1582 (55.94%) |
|
|
|
No | 2182 (45.32%) | 936 (47.11%) | 1246 (44.06%) |
|
| Insurance status, n (%) |
|
|
|
.001 | |
|
|
Insured | 4559 (94.68%) | 1941 (97.68%) | 2618 (92.57%) |
|
|
|
Uninsured | 256 (5.32%) | 46 (2.32%) | 210 (7.42%) |
|
| Regular provider, n (%) |
|
|
|
<.001 | |
|
|
Yes | 3392 (70.45%) | 1614 (81.23%) | 1778 (62.87%) |
|
|
|
No | 1423 (29.55%) | 373 (18.77) | 1050 (37.13%) |
|
| Quality of care, n (%) |
|
|
|
<.001 | |
|
|
Excellent | 1829 (37.99%) | 764 (38.45%) | 1065 (37.66%) |
|
|
|
Very good | 1806 (37.51%) | 797 (40.11%) | 1009 (35.68%) |
|
|
|
Good | 862 (17.90%) | 344 (17.31%) | 518 (18.32%) |
|
|
|
Fair | 197 (4.91%) | 70 (3.52%) | 127 (4.49%) |
|
|
|
Poor | 120 (2.49%) | 12 (0.60%) | 108 (3.82%) | |
aµ: population mean.
bHS: high school