Table 2.
Prevalence of Oxalobacter formigenes Among 240 Control Subjects According to Demographic Factors
| |
O. formigenes positive |
|
|
|
|---|---|---|---|---|
| Factor | No. | (%) | Crude OR | MVOR (95% CI) |
| Age (years) | ||||
| <40 | 17/56 | (30) | 1.0a | 1.0a |
| 40–49 | 26/72 | (36) | 1.3 | 1.5 (0.7–3.5) |
| 50–59 | 33/70 | (47) | 2.1 | 2.5 (1.1–5.9) |
| 60–69 | 18/42 | (43) | 1.7 | 1.8 (0.7–4.7) |
| Sex | ||||
| Male | 56/148 | (38) | 1.0a | 1.0a |
| Female | 38/92 | (41) | 1.2 | 1.8 (0.9–3.6) |
| Race | ||||
| Non-Hispanic white | 75/198 | (38) | 1.0a | 1.0a |
| Other | 19/42 | (45) | 1.4 | 1.2 (0.6–2.8) |
| Education (year) | ||||
| ≤12 | 12/33 | (36) | 0.9 | 0.9 (0.3–2.3) |
| 13–15 | 23/64 | (36) | 0.9 | 0.7 (0.3–1.5) |
| 16 | 29/65 | (45) | 1.3 | 1.2 (0.6–2.6) |
| >16 | 30/78 | (39) | 1.0a | 1.0a |
| Region | ||||
| Massachusetts | 71/179 | (40) | 1.0a | 1.0a |
| North Carolina | 23/61 | (38) | 0.9 | 0.8 (0.4–1.6) |
a
Reference category.
CI = confidence interval; OR = odds ratio; MVOR = multivariate odds ratio.