Table 7.
Comparison of students’ BDNF genotypes to their demographic data and DASS-21 outcomes (n = 105).
| Variables |
BDNF Genotypes |
Statistical test | p value | ||
|---|---|---|---|---|---|
| Val/Val n = 44 | Val/Met n = 39 | Met/Met n = 22 | |||
| Sex | |||||
| Male | 17 (38.6%) | 14 (35.9%) | 4 (18.2%) | Χ2 = 2.95 | 0.229 |
| Female | 27 (61.4%) | 25 (64.1%) | 18 (81.8%) | ||
| Ethnicity | |||||
| Indian | 16 (36.4%) | 7 (17.9%) | 2 (9.1%) | χ2 = 7.19 | 0.027∗ |
| Malay | 28 (63.6%) | 32 (82.1%) | 20 (90.9%) | ||
| Year of Study | |||||
| First year | 22 (50%) | 21 (53.8%) | 14 (63.6%) | χ2 = 1.104 | 0.576 |
| Second year | 22 (50%) | 18 (46.2%) | 8 (36.4%) | ||
| DASS-21 | |||||
| Stress score | 10.68 (6.87) | 14 (5.2) | 15.1 (6.28) | F (2.102) = 4.84 | 0.010∗ |
| Anxiety score | 11.55 (7) | 13.6 (6.5) | 12.55 (5.73) | F (2.102) = 1.50 | 0.354 |
| Depression score | 8.80 (7.1) | 8.70 (6.8) | 8.55 (7) | F (2.102) = 0.008 | 0.992 |
Note. The F-ratio is the ratio of the between group variance to the within group variance, if it is accompanied by a p value < 0.05, the ANOVA test is statistically significant.
∗
Statistically significant difference (p value < 0.05).