Table 1.
Demographic and clinical characteristics of patients with and without serious mental illness who have at least 3 health care encounters in FY02
| Schizophrenia (N=89,189) | Bipolar (N=65,983) | Non-SMI (N=67,965) | SMI versus Non-SMI | Schiz vs Non-SMI | Bipolar versus Non-SMI | |
|---|---|---|---|---|---|---|
|
| ||||||
| Mean age (SD) | 55.1 (11.9) | 53.3 (12.4) | 63.9 (13.9) | WilcoxonTest Z=155.7, p<.0001 | WilcoxonTest Z=132.8, p<.0001 | WilcoxonTest Z=−141.0, p<.0001 |
|
| ||||||
| Age group | ||||||
| < 40 years | 5,663 (6.4) | 7,778 (11.8) | 3,456 (5.1) | χ2=9,646.5, p<.0001, df=2 | χ2=6,917.3, p<.0001, df=2 | χ2=9,923.8, p<.0001, df=2 |
| 40–49 years | 23,635 (26.5) | 18,316 (27.8) | 6,962 (10.3) | |||
| 50+ years | 59,890 (67.2) | 39,889 (60.5) | 57,508 (84.7) | |||
|
| ||||||
| Gender | ||||||
| Male | 84,517 (94.8) | 58,493 (88.7) | 63,619 (93.6) | χ2=143.7, p<.0001, df=1 | χ2=95.3, p<.0001, df=1 | χ2= 1,021.2, p<.0001, df=1 |
| Female | 4,672 (5.2) | 7,490 (11.4) | 4,346 (6.4) | |||
|
| ||||||
| Race/ethnicity | ||||||
| Black | 24,570 (27.6) | 7,548 (11.4) | 7,030 (10.3) | χ2=19,575.0, p<.0001, df=3 | χ2=20,555.2, p<.0001, df=3 | χ2=8,424.2, p<.0001, df=3 |
| Hispanic | 7,240 (8.1) | 2,314 (3.5) | 2,697 (4.0) | |||
| White | 49,233 (55.2) | 46,319 (70.2) | 33,611 (49.5) | |||
| Other/Unknown | 8,146 (9.1) | 9,802 (14.9) | 24,627 (36.2) | |||
|
| ||||||
| Marital status | ||||||
| Divorced/separated | 26,051 (29.6) | 25,083 (38.3) | 12,793 (19.4) | χ2=23,755.5, p<.0001, df=3 | χ2=26,747.1, p<.0001, df=3 | χ2=10,677.1, p<.0001, df=3 |
| Married | 22,174 (25.2) | 24,368 (37.3) | 40,751 (61.7) | |||
| Never Married | 36,772 (41.7) | 13,694 (20.9) | 7,710 (11.7) | |||
| Widowed | 3,117 (3.5) | 2,281 (3.5) | 4,802 (7.3) | |||
|
| ||||||
| Substance Abuse | ||||||
| Yes | 22,129 (24.8) | 21,586 (32.7) | 4,237 (6.2) | χ2=13,482.0, p<.0001, df=1 | χ2=9,534.0, p<.0001, df=1 | χ2=15,085.8, p<.0001, df=1 |
| No | 67,060 (75.2) | 44,397 (67.3) | 63,728 (93.8) | |||
|
| ||||||
| Homeless | ||||||
| Yes | 11,501 (12.9) | 9,923 (15.0) | 1,372 (2.0) | χ2=7,160.1, p<.0001, df=1 | χ2=6,067.4, p<.0001, df=1 | χ2=7,350.4, p<.0001, df=1 |
| No | 77,688 (87.1) | 56,060 (85.0) | 66,593 (98.0) | |||
|
| ||||||
| HCV Infection | ||||||
| Yes | 6,287 (7.1) | 5,357 (8.1) | 1,708 (2.5) | χ2=2,092.7, p<.0001, df=1 | χ2=1,643.6, p<.0001, df=1 | χ2=2,105.7, p<.0001, df=1 |
| No | 82,902 (93.0) | 60,626 (91.9) | 66,257 (97.5) | |||
|
| ||||||
| Region | ||||||
| Northeast | 23,071 (25.9) | 15,538 (23.6) | 15,348 (22.6) | χ2=464.2, p<.0001, df=3 | χ2=262.3, p<.0001, df=3 | χ2=855.9, p<.0001, df=3 |
| Central | 19,718 (22.1) | 15,685 (23.8) | 15,045 (22.2) | |||
| South | 29,974 (33.7) | 19,404 (29.4) | 24,722 (36.4) | |||
| West | 16,289 (18.3) | 15,349 (23.3) | 12,811 (18.9) | |||
|
| ||||||
| Rural | 16,385 (18.4) | 13,734 (20.9) | 18,569 (27.4) | χ2=1,736.6, p<.0001, df=1 | χ2=1,785.1, p<.0001, df=1 | χ2=779.3, p<.0001, df=1 |
| Urban | 72,507 (81.6) | 52,098 (79.1) | 49,193 (72.6) | |||