| Characteristic | N(%) | M(SD) | |
|---|---|---|---|
| Age group | 20s | 19(14.8) | 40.20(9.62)20~59 years |
| 30s | 39(30.5) | ||
| 40s | 44(34.4) | ||
| 50s | 26(20.3) | ||
| Gender | Male | 35(27.3) | |
| Female | 93(72.7) | ||
| Voice problems history | Yes | 28(21.9) | |
| No | 100(78.1) | ||
| Duration of music activity | < 5 years | 16(12.5) | |
| 6~10 years | 23(18.0) | ||
| 11~15 years | 15(11.7) | ||
| 16~20 years | 24(18.7) | ||
| > 20 years | 50(39.1) | ||
| Voiceclassification | Bass | 5( 3.9) | |
| Bariton | 15(11.7) | ||
| Tenor | 15(11.7) | ||
| Alto | 10( 7.9) | ||
| Mezzo soprano | 15(11.7) | ||
| Soprano | 68(53.1) | ||
| Total | 128 | ||