Table 3.
Distribution of hair loss risk factors among 483 participants who reported hair loss in Jazan, Saudi Arabia
| Risk factor | Frequency | Proportion |
|---|---|---|
| Female-specific risk factors | ||
| Menstrual irregularity/menopause | 350 | 97%* |
| Presence of stressful events such as divorce, sickness of loved ones, or occupational difficulties | 237 | 49.1% |
| Use of chemotherapy before or during hair loss | 12 | 2.5% |
| Presence of gray hair | 269 | 55.6% |
| Smoking | ||
| Current smoker | 53 | 11% |
| Former smoker | 20 | 4.1% |
| Application of chemical treatment for hair | 94 | 19.5% |
| Having imbalanced diet such as vegetarian diet | 110 | 22.8% |
| Presence of iron deficiency | 153 | 31.7% |
| Presence of vitamin deficiency | 202 | 41.8% |
| Presence of family history of hair loss | ||
| Among first-degree relatives | 152 | 31.4% |
| Among more distant relatives | 33 | 6.8% |
| Presence of family history of immunodeficiency | 30 | 6.2% |
| Diagnosis of the following conditions: | ||
| Thyroid disease | 21 | 4.4% |
| Diabetes mellitus | 35 | 7.4% |
| Atopic disease | 16 | 3.3% |
| Asthma | 30 | 6.3% |
| Hypertension | 32 | 6.6% |
| Polycystic ovarian syndrome | 31 | 6.4% |
| Allergic rhinitis | 29 | 6.0% |
| Psoriasis | 2 | 0.4% |
| Vitiligo | 1 | 0.2% |
| Rheumatoid arthritis | 22 | 4.6% |
| Systemic lupus erythematosus | 2 | 0.4% |
*Proportions among females reporting hair loss