Table. Characteristics of California ED visits by adult (19-64) patients, 2005-2010a.
Chi-squared test were used to test for differences between the distribution of visits across payer categories by year. In pairwise tests, the distribution in each year 2006-2010 is statistically significantly different from the distribution in 2005 (p<.01 in all cases). The distributions are also jointly significantly different across years (p<.01).
| Year | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Total | ||
|---|---|---|---|---|---|---|---|---|---|
| Na (%) | Na (%) | Na (%) | Na (%) | Na (%) | Na (%) | Na (%) | % increase in visits 2005-2010 |
||
| Payer | Private | 2324 (43) | 2318 (43) | 2374 (43) | 2416 (42) | 2457 (40) | 2350 (38) | 14239 (41) | 1.2% |
| Medicaid | 1238 (23) | 1246 (23) | 1314 (24) | 1416 (25) | 1608 (26) | 1679 (27) | 8501 (25) | 35.6% | |
| Uninsured | 1230 (23) | 1296 (24) | 1342 (24) | 1387 (24) | 1494 (25) | 1543 (25) | 8293 (24) | 25.4% | |
| Otherb | 626 (12) | 578 (11) | 546 (10) | 497 (9) | 539 (9) | 560 (9) | 3345 (10) | −10.6% | |
| Age | 19-25 years | 1061 (20) | 1070 (20) | 1102 (20) | 1121 (20) | 1230 (20) | 1214 (20) | 6798 (20) | 14.4% |
| 26-34 years | 1170 (22) | 1161 (21) | 1202 (22) | 1235 (22) | 1337 (22) | 1351 (22) | 7456 (22) | 15.5% | |
| 35-44 years | 1302 (24) | 1281 (24) | 1272 (23) | 1267 (22) | 1306 (21) | 1289 (21) | 7717 (22) | −1.0% | |
| 45-54 years | 1155 (21) | 1172 (22) | 1210 (22) | 1258 (22) | 1325 (22) | 1335 (22) | 7454 (22) | 15.6% | |
| 55-64 years | 730 (13) | 755 (14) | 791 (14) | 835 (15) | 900 (15) | 942 (15) | 4952 (14) | 29.1% | |
| Sex | Male | 2439 (45) | 2439 (45) | 2482 (45) | 2526 (44) | 2659 (44) | 2672 (44) | 15217 (44) | 9.5% |
| Female | 2979 (55) | 3000 (55) | 3094 (55) | 3190 (56) | 3439 (56) | 3459 (56) | 19161 (56) | 16.1% | |
| Total Visits | 5418 (100) | 5439 (100) | 5576 (100) | 5716 (100) | 6099 (100) | 6131 (100) | 34378(100) | 13.2% | |
| Increase from previous year |
NA | 21 (0.4) | 137 (2.5) | 140 (2.5) | 383 (6.7) | 33 (0.5) | NA | NA | |
a
All visit numbers presented in thousands.
b
Other includes workers compensation, other government programs, automobile medical, CHAMPUS (TRICARE), Title V, Veteran’s Affairs, and Other.