Table 3.
Statistic of Frequencies of NIBUT.
| Group | No. of Subject | Mean (s) | Standard Deviation | Median (s) | Maximum (s) | Minimum (s) |
|---|---|---|---|---|---|---|
| Gender | ||||||
| Male | 68 | 6.95 | 2.76 | 6.45 | 15.43 | 3.30 |
| Female | 77 | 7.77 | 3.50 | 6.97 | 17.60 | 3.07 |
| Race | ||||||
| Malay | 55 | 7.74 | 3.34 | 7.07 | 17.53 | 3.20 |
| Chinese | 62 | 7.15 | 3.38 | 6.19 | 17.60 | 3.07 |
| Indian | 21 | 7.24 | 2.65 | 6.87 | 14.20 | 3.43 |
| Other | 7 | 7.14 | 2.77 | 6.37 | 11.87 | 3.83 |
| Age group | ||||||
| 20–29 | 39 | 9.20 | 2.67 | 8.47 | 17.53 | 6.03 |
| 30–39 | 38 | 7.76 | 3.77 | 6.31 | 17.60 | 3.57 |
| 40–49 | 38 | 6.44 | 2.32 | 6.10 | 12.87 | 3.30 |
| 50–60 | 30 | 5.75 | 2.73 | 4.79 | 14.00 | 3.07 |