Conditional logistic univariate regression analysis relative to the variables that reached significance with primary adult onset dystonia
| Risk factor | OR (95% CI) | p Value | +/+ | −/+ | +/− | −/− | ? |
|---|---|---|---|---|---|---|---|
| Educational level (> 5th grade) | 0.59 (0.37 to 0.97) | 0.04 | 9 | 36 | 17 | 140 | 0 |
| Hypertension | 0.50 (0.28 to 0.88) | 0.02 | 14 | 36 | 18 | 134 | 0 |
| Head or face trauma with loss of consciousness | 4 (1.12 to 14.3) | 0.03 | 0 | 5 | 17 | 180 | 0 |
| Neck or trunk trauma | 5.55 (1.20 to 25.0) | 0.03 | 1 | 2 | 11 | 188 | 0 |
| Eye diseases | 3.3 (1.63 to 6.67) | 0.002 | 7 | 11 | 34 | 151 | 0 |
| Family history of tremor | 8.5 (2.64 to 45.9) | < 0.001 | 1 | 2 | 23 | 176 | 0 |
| Family history of dystonia | 16 (2.4 to 682) | < 0.001 | 0 | 1 | 15 | 186 | 0 |
+/+ = case and control exposed; −/+ = control only; +/− = case only; −/− = neither exposed; ? = case-control pairs containing missing information.