Table 1.
Participant characteristics.
| Group | |||
|---|---|---|---|
| Characteristic | Low self-esteem (n = 30) | High self-esteem (n = 31) | Statistical test and p-value* |
| Global self-esteem score on day of scanning29, Median (IQR) | 15.0 (0.85) | 28.0 (0.50) | z (59) = −6.17, p < 1 × 10−9 |
| Female, No (%) | 18 (60%) | 16 (52%) | χ2 (1) = 0.435, p = 0.510 |
| Age, Median (IQR) | 21.3 (1.94) | 20.9 (2.34) | t (59) = 0.77, p = 0.168 |
| Ethnicity, No (%) | White: 17 (57%) Black: 0 (0%) Asian: 10 (33%) Mixed: 2 (7%) Other: 1 (3%) | White: 20 (65%) Black: 2 (7%) Asian: 5 (16%) Mixed: 3 (10%) Other: 1 (3%) | χ2 (1) = 0.394, p = 0.530 |
| Rejection sensitivity score41, Median (IQR) | 11.22 (4.67) | 6.67 (2.72) | z (59) = −4.52, p < 1 × 10−4 |
| Fear of negative evaluation score40, Median (IQR) | 3.33 (1.46) | 1.83 (1.15) | z (55) = −5.10, p < 1 × 10−5 |
| State anxiety score42, Median (IQR) | 1.70 (0.65) | 1.20 (0.45) | z (59) = −4.43, p < 1 × 10−4 |
| Trait anxiety score42, Median (IQR) | 2.65 (0.83) | 1.48 (0.38) | t (59) = −5.69, p < 1 × 10−7 |
| Social anxiety score43, Median (IQR) | 0.94 (0.82) | 0.55 (0.64) | t (55) = −2.43, p = 0.015 |
| Depressed mood score44, Median (IQR) | 21.00 (21.50) | 6.00 (9.00) | t (59) = −4.86, p < 1 × 10−5 |
IQR interquartile range.
*p-values obtained using Mann–Whitney U tests (when data were not distributed normally), independent samples t-tests (when data were distributed normally), and Chi-square tests for gender (male vs. female) and ethnicity (white vs. non-white).