Table 5. Frequency and duration of hair dye use (n=105).
| n (%) | |
|---|---|
| Frequency (time/yr) | |
| <5 | 30 (28.6) |
| 6~11 | 51 (48.6) |
| 12~23 | 11 (10.5) |
| ≥24 | 10 (9.5) |
| Duration (yr) | |
| <5 | 11 (10.5) |
| 5~10 | 43 (41.0) |
| >10 | 48 (45.7) |
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