Table 4. Numeric Dizziness Scale dizziness severity scores according to sociodemographic, clinical, and psychological parameters (n=947).
| NDS dizziness severity scores | |||||
| Mean±SD | Median | Min-Max | p | ||
| Sex | 0.0261 | ||||
| Female | 4.48±1.96 | 4 | 0-10 | ||
| Male | 4.07±2.05 | 4 | 0-10 | ||
| Occupation | |||||
| Desk job | 4.08±1.74 | 4 | 1-9 | 0.2292 | |
| 4.49±2.17 | 4 | 1-10 | |||
| Housewife | 4.52±1.95 | 4 | 0-10 | ||
| Retired | 4.13±1.89 | 4 | 0-8 | ||
| Employee | 4.18±2.07 | 4 | 0-10 | ||
| Officer | 4.90±2.24 | 4 | 1-10 | ||
| Student | 3.83±2.14 | 4 | 1-6 | ||
| Educational status | 0.0202 | ||||
| Literate, not educated | 4.83±1.98* | 5 | 1-10 | ||
| Primary school | 4.53±1.92 | 4 | 0-10 | ||
| Secondary school | 4.19±2.00 | 4 | 0-10 | ||
| Higher education | 4.29±2.04 | 4 | 1-10 | ||
| NDS dizziness severity scores3 | |||||
| r | p3 | ||||
| Age (year) | 0.115 | 0.001 | |||
| Duration of dizziness | 0.102 | 0.002 | |||
| Cause of an attack (min) | 0.324 | 0.001 | |||
| Dizziness Handicap Inventory (DHI) | 0.408 | 0.001 | |||
| Berg Balance Scale (BBS) | -0.171 | 0.001 | |||
| HADS-anxiety | 0.199 | 0.001 | |||
| HADS-depression | 0.170 | 0.001 | |||
| NDS: Numeric Dizziness Scale; 1Mann-Whitney U test; 2 Kruskall-Wallis test; 3 Spearman correlation analysis; * p<0.05 compared to primary school graduates; r: Correlation coefficient. | |||||