Table 1.
Demographic characteristics of the overall study sample and by visit completion status.
| Demographics | Overall (n=362,764) | Complete (n=230,030) | Not complete (n=132,734) | P value | |||||
| Sex, n (%) |
|
|
|
<.001 | |||||
|
|
Male | 145,543 (40.12) | 93,038 (63.92) | 52,505 (36.08) |
|
||||
|
|
Female | 217,221 (59.88) | 136,992 (63.07) | 80,229 (36.93) |
|
||||
| Age (years), mean (SD) | 50.8 (20.3) | 50.5 (20.4) | 51.3 (20.2) | <.001 | |||||
| Race, n (%) |
|
|
|
<.001 | |||||
|
|
White | 265,451 (73.17) | 169,549 (63.87) | 95,902 (36.13) |
|
||||
|
|
Black | 45,790 (12.62) | 28,464 (62.16) | 17,326 (37.84) |
|
||||
|
|
Asian | 6027 (1.66) | 3851 (63.90) | 2176 (36.10) |
|
||||
|
|
Other | 3168 (0.87) | 1821 (57.48) | 1347 (42.52) |
|
||||
|
|
Unknown | 42,328 (11.67) | 26,345 (62.24) | 15,983 (37.76) |
|
||||
| Ethnicity, n (%) |
|
|
|
<.001 | |||||
|
|
Hispanic | 186,268 (51.35) | 115,910 (62.23) | 70,358 (37.77) |
|
||||
|
|
Non-Hispanic | 153,114 (42.21) | 99,619 (65.06) | 53,495 (34.94) |
|
||||
|
|
Unknown | 23,382 (6.45) | 14,501 (62.02) | 8881 (37.98) |
|
||||
| Language, n (%) |
|
|
|
<.001 | |||||
|
|
English | 259,714 (71.59) | 168,523 (64.89) | 91,191 (35.11) |
|
||||
|
|
Spanish | 98,194 (27.07) | 58,732 (59.81) | 39,462 (40.19) |
|
||||
|
|
Other | 3756 (1.04) | 2136 (56.87) | 1620 (43.13) |
|
||||
|
|
Unknown | 1100 (0.30) | 639 (58.09) | 461 (41.91) |
|
||||
| Insurance, n (%) |
|
|
|
<.001 | |||||
|
|
Commercial | 209,750 (57.82) | 134,986 (64.36) | 74,764 (35.64) |
|
||||
|
|
Medicare | 98,737 (27.22) | 62,562 (63.36) | 36,175 (36.64) |
|
||||
|
|
Medicaid | 43,202 (11.91) | 26,383 (61.07) | 16,819 (38.93) |
|
||||
|
|
Other | 5366 (1.48) | 3301 (61.52) | 2065 (38.48) |
|
||||
|
|
Uninsured | 5709 (1.57) | 2798 (49.01) | 2911 (50.99) |
|
||||
| Weighted average income (thousands), mean (SD) | 97.7 (146) | 100.2 (151.5) | 93.6 (135.4) | <.001 | |||||