Table 1:
Comparison of mean age, sex, job, education level, and ethnic group between AD cases and control subjects (t-test and χ2 test analysis)
| Patients (n=154) | Control (n=162) | P value | ||
|---|---|---|---|---|
| Age (yr) | 78.55±7.80a | 77.14±6.95 | 0.091 | |
| Sex (M/F)b | 63/91 | 63/99 | 0.714 | |
| Jobs | Housewife | 55.8% | 56.2% | 0.938 |
| Own business | 23.4% | 21.0% | ||
| Worker | 9.2% | 8.6% | ||
| Farmer | 3.2% | 3.1% | ||
| Employee | 8.4% | 11.1% | ||
| Education levels | Illiterate | 41.6% | 43.2% | 0.427 |
| Primary school | 29.2% | 29.6% | ||
| Secondary school | 16.2% | 12.3% | ||
| Diploma | 11.1% | 9.3% | ||
| Academic | 1.9% | 5.6% | ||
| Ethnic Group | Fars | 61.0% | 63.6% | 0.490 |
| Turk | 25.3% | 25.3% | ||
| Kurd | 3.9% | 1.8% | ||
| Lor | 0.7% | 2.5% | ||
| Shomali | 9.1% | 6.8% |
a
Mean±S.D,
b
Male/Female