Table 1.
Sociodemographic Characteristics of the Case and Control Groups
| Characteristic | Case (n=86) | Controls (n=85) | P-value | |
|---|---|---|---|---|
| n (%) | n (%) | X2/t | ||
| Age (years; mean ± SD) | 33.41±11.09 | 32.45±10.39 | 0.71** | |
| Age groups (years) | 20–29 | 37 (43.00) | 40 (47.10) | 0.58 |
| 30–39 | 24 (27.90) | 21 (24.70) | ||
| 40–49 | 15 (17.40) | 18 (21.20) | ||
| 50–59 | 8 (9.30) | 6 (7.10) | ||
| ≥60 | 2 (2.30) | 0 (0.00) | ||
| Gender | Female | 29 (33.7) | 49 (57.6) | 0.002* |
| Male | 57 (66.3) | 36 (42.4) | ||
| Marital status | Single | 44 (51.2) | 50 (58.8) | 0.19 |
| Married | 42 (48.8) | 35 (41.2) | ||
| Divorced | 0 (0.00) | 0 (0.00) | ||
| Occupation | Employed | 46 (53.5) | 34 (40.0) | 0.02* |
| Unemployed | 35 (40.7) | 50 (58.8) | ||
| Retirement | 5 (5.8) | 1 (1.2) | ||
| Education | 8 years (Primary) | 8 (9.3) | 6 (7.1) | 0.48 |
| 12 years (Secondary) | 27 (31.4) | 34 (40.0) | ||
| 16 years (High) | 51 (59.3) | 45 (52.9) | ||
| Duration of AA (month; mean ± SD) | 4.89±10.27 | 0.0±0.0 | <0.01** | |
Notes: Statistically significant values are shown in bold (P-value <0.05). *Chi-square test; **Student’s t-test.
Abbreviations: SD, standard deviation; AA, alopecia areata; n, number of patients.