Table 1.
Population Characteristics of Individual Level and Neighborhood Level Risks for Community-Onset Methicillin Resistant Staphylococcus aureus (CO-MRSA) Cases and Unintentional Traumatic Brain Injury (uTBI) Controls, 2002–2010.
| Variable | Total | CO-MRSA1 | uTBI | p-value* |
|---|---|---|---|---|
| N = 39,371 N (%) | N = 4,613 N (%) | N = 34,758 N (%) | ||
| Individual Level Characteristics | ||||
| Race/Ethnicity | <.0001 | |||
| White (Non-Hispanic) | 20,911 (53.1) | 1,992 (43.2) | 18,919 (54.4) | |
| Black (Non-Hispanic) | 12,645 (32.1) | 2,080 (45.1) | 10,565 (30.4) | |
| Hispanic | 3,349 (8.5) | 317 (6.9) | 3,032 (8.7) | |
| Other2 | 2,466 (6.3) | 224 (4.9) | 2,242 (6.5) | |
| Gender | <.0001 | |||
| Male | 23,651 (60.1) | 2,248 (48.7) | 21,403 (61.6) | |
| Female | 15,720 (39.9) | 2,365 (51.3) | 13,355 (38.4) | |
| Age Group, N (%) | <.0001 | |||
| >12 years | 4,410 (11.2) | 744 (16.1) | 3,666 (10.6) | |
| 4–12 years | 14,761 (37.5) | 1,317 (28.6) | 13,444 (38.7) | |
| 0–3 years | 20,200 (51.3) | 2,552 (55.3) | 17,648 (50.8) | |
| Age (years) | ||||
| Mean (SD) | 5.06 (4.80) | 5.27 (5.46) | 5.03 (4.71) | |
| Health Insurance | <.0001 | |||
| Private | 24,193 (61.5) | 1,882 (40.8) | 22,311 (64.2) | |
| Public | 13,352 (33.9) | 2,564 (55.6) | 10,788 (31.0) | |
| Self Pay | 1,826 (4.6) | 167 (3.6) | 1,659 (4.8) | |
| Neighborhood Level Characteristics | ||||
| Household Crowding3 | <.0001 | |||
| <=1 person/room | 23,012 (58.4) | 2,243 (48.6) | 20,769 (59.8) | |
| >1 person/room | 16,359 (41.6) | 2,370 (51.4) | 13,989 (40.2) | |
| Black Population | <.0001 | |||
| <Georgia Average | 28,431 (72.2) | 2,821 (61.2) | 25,610 (73.7) | |
| >= Georgia Average | 10,940 (27.8) | 1,792 (38.8) | 9,148 (26.3) | |
| Below Poverty (%), Mean (SD)4 | 13.90 (13.35) | 17.98 (15.16) | 13.36 (12.99) | <.0001 |
1 Community-Onset Methicillin-Resistant Staphylococcus aureus (CO-MRSA).
2 Other: Other, American Indian/Alaskan, Asian, Multiracial.
3 Measured as percentage of more than 1 occupant per room.
4 Measured as percentage of households with poverty to income ratio below 1.
* p-value based from Chi-square tests comparing outcome by categorical variables or p-value independent samples t-test for continuous variable.