Table 2.
Individual and Neighborhood Level Risk Factors for Community-Onset Methicillin Resistant Staphylococcus aureus Infections (CO-MRSA Cases) Compared to Unintentional Traumatic Brain Injury (uTBI Controls), Adjusted for Race, Gender, Age, and Type of Health Insurance.
| Variable | Crude OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value |
|---|---|---|---|---|
| Individual Level Risk Factors | ||||
| Race/Ethnicity | ||||
| White (Non-Hispanic) | Reference | – | Reference | – |
| Black (Non-Hispanic) | 1.87 (1.75, 2.00) | <.0001 | 1.23 (1.14, 1.32) | <.0001 |
| Hispanic | 0.99 (0.88, 1.12) | .9117 | 0.57 (0.50, 0.65) | <.0001 |
| Others1 | 0.95 (0.82, 1.10) | .4780 | 0.72 (0.62, 0.84) | <.0001 |
| Gender | – | |||
| Male | Reference | Reference | ||
| Female | 1.69 (1.59, 1.79) | <.0001 | 1.70 (1.60, 1.81) | <.0001 |
| Age Group | ||||
| >12 years | Reference | – | Reference | – |
| 0–3 years | 0.71 (0.65, 0.78) | <.0001 | 0.62 (0.57, 0.68) | <.0001 |
| 4–12 years | 0.48 (0.44, 0.53) | <.0001 | 0.45 (0.41, 0.50) | <.0001 |
| Health Insurance | ||||
| Private | Reference | – | Reference | – |
| Public | 2.82 (2.64, 3.00) | <.0001 | 2.92 (2.71, 3.14) | <.0001 |
| Self pay | 1.19 (1.01, 1.41) | .0368 | 1.27 (1.07, 1.51) | .0058 |
| Neighborhood Level Factors | ||||
| Household Crowding | ||||
| <=1 person/room | Reference | – | Reference | – |
| >1 person/room | 1.05 (1.04, 1.06) | <.0001 | 1.02 (1.01, 1.03) | <.0001 |
| Black Population | ||||
| <Georgia Average | Reference | – | Reference | – |
| >= Georgia Average | 1.06 (1.05, 1.07) | <.0001 | 1.02 (1.01, 1.02) | <.0001 |
| Below Poverty (%)2 | 1.03 (1.02, 1.03) | <.0001 | 1.03 (1.02, 1.04) | <.0001 |
1 Other: Other, American Indian/Alaskan, Asian, Multiracial.
2 Odds ratio is reported for changes of +/–10% change below poverty level.