Table 1.
Number of Case and Control Patients, by Demographic Characteristics
| Characteristic | Case patients, n (%) N = 82 |
Control patients, n (%) N = 191 |
OR | LCL | UCL |
|---|---|---|---|---|---|
|
| |||||
| State of residence | |||||
| North Carolina | 57 (70) | 191 (100) | — | — | — |
| Other state | 25 (30) | 0 (0) | — | — | — |
| Sex | |||||
| Female | 45 (55) | 118 (62) | 0.76 | 0.45 | 1.29 |
| Male | 36 (44) | 72 (38) | Ref | — | — |
| Median age, IQR | 58.5 (45.5–69.8) | 54.0 (43.0–65.5) | |||
| Race | |||||
| American Indian/Alaskan Native | 8 (10) | 6 (3) | 2.80 | 0.97 | 8.04 |
| Asian | 0 (0) | 3 (2) | 0.30 | 0.00 | 2.75 |
| Black | 2 (2) | 26 (14) | 0.20 | 0.04 | 0.63 |
| Native Hawaiian/Pacific Islander | 0 (0) | 2 (1) | 0.42 | 0.00 | 4.12 |
| White | 72 (88) | 151 (79) | Ref | — | — |
| Other | 0 (0) | 1 (1) | — | — | — |
| Unknown | 0 (0) | 1 (1) | — | — | — |
| Ethnicity | |||||
| Hispanic | 1 (1) | 6 (3) | 0.52 | 0.06 | 2.44 |
| Non-Hispanic | 81 (99) | 183 (96) | Ref | — | — |
| Unknown | 0 (0) | 2 (1) | — | — | — |
| Education | |||||
| College or technical school graduate and/or completed graduate school | 57 (70) | 111 (58) | 3.95 | 1.01 | 31.15 |
| HS diploma and/or some college or technical school | 23 (28) | 64 (34) | 2.79 | 0.61 | 25.00 |
| Less than HS diploma | 1 (1) | 11 (6) | Ref | — | — |
| Unknown | 1 (1) | 5 (3) | — | — | — |
| Income | |||||
| Prefer not to say | 16 (20) | 34 (18) | 2.49 | 1.02 | 6.07 |
| >$100,000 | 36 (44) | 47 (25) | 4.06 | 1.83 | 8.97 |
| $50,000–$100,000 | 20 (24) | 57 (30) | 1.86 | 0.81 | 4.28 |
| <$50,000 | 10 (12) | 53 (28) | Ref | — | — |
Abbreviations: HS, high school; IQR, interquartile range; LCL, lower confidence limit; OR, odds ratio; Ref, reference; UCL, upper confidence limit.