Table 4 ANCOVA and post-hoc group comparisons of psychological correlates of NSSI (n = 85)
| Â | F | Comparison | Mean difference | S.E. | 95% CI |
|---|---|---|---|---|---|
CES-DC | 26.86*** | B vs. A | 18.48*** | 3.15 | 10.98, 25.97 |
C vs. A | 22.25*** | 3.91 | 12.95, 31.56 | ||
C vs. B | 3.78 | 3.09 | -3.58, 11.13 | ||
Somatic complaints | 13.60*** | B vs. A | 5.88*** | 1.36 | 2.66, 9.11 |
C vs. A | 6.53*** | 1.68 | 2.52, 10.53 | ||
C vs. B | 0.64 | 1.33 | -2.52, 3.81 | ||
Depressed affect | 26.62*** | B vs. A | 7.85*** | 1.33 | 4.67, 11.02 |
C vs. A | 9.58*** | 1.66 | 5.64, 13.52 | ||
C vs. B | 1.73 | 1.31 | -1.38, 4.84 | ||
Lack of positive affect | 13.89*** | B vs. A | 2.66*** | 0.67 | 1.06, 4.26 |
C vs. A | 3.16*** | 0.83 | 1.18, 5.15 | ||
C vs. B | 0.50 | 0.66 | -1.07, 2.07 | ||
Interpersonal difficulties | 15.20*** | B vs. A | 2.09*** | 0.50 | 0.90, 3.28 |
C vs. A | 2.99*** | 0.62 | 1.51, 4.47 | ||
C vs. B | 0.90 | 0.49 | -0.27, 2.07 | ||
DERS-16 | 23.65*** | B vs. A | 23.62*** | 4.13 | 13.81, 33.43 |
C vs. A | 27.43*** | 5.10 | 15.30, 39.56 | ||
C vs. B | 3.81 | 3.90 | -5.46, 13.08 | ||
Lack of emotional clarity | 8.52*** | B vs. A | 2.24** | 0.72 | 0.52, 3.95 |
C vs. A | 3.10** | 0.89 | 0.98, 5.22 | ||
C vs. B | 0.86 | 0.68 | -0.76, 2.48 | ||
Inability to engage in goal directed behaviors | 25.61*** | B vs. A | 4.69*** | 0.76 | 2.88, 6.50 |
C vs. A | 5.07*** | 0.94 | 2.83, 7.31 | ||
C vs. B | 0.38 | 0.72 | -1.33, 2.09 | ||
Difficulties controlling impulsive behaviors | 11.07*** | B vs. A | 4.46*** | 1.07 | 1.91, 7.01 |
C vs. A | 4.66** | 1.33 | 1.50, 7.81 | ||
C vs. B | 0.20 | 1.01 | -2.21, 2.61 | ||
Limited access to emotion regulation strategies | 21.46*** | B vs. A | 8.08*** | 1.48 | 4.55, 11.61 |
C vs. A | 9.18*** | 1.84 | 4.81, 13.54 | ||
C vs. B | 1.10 | 1.40 | -2.24, 4.43 | ||
Nonacceptance of negative emotions | 11.82*** | B vs. A | 4.15*** | 1.09 | 1.57, 6.73 |
C vs. A | 5.43*** | 1.34 | 2.24, 8.62 | ||
C vs. B | 1.28 | 1.03 | -1.16, 3.71 | ||
ATQ | 34.01*** | B vs. A | 45.82*** | 7.09 | 28.93, 62.70 |
C vs. A | 58.98*** | 8.72 | 38.22, 79.75 | ||
C vs. B | 13.17 | 6.90 | -3.25, 29.59 | ||
RRS | 19.07*** | B vs. A | 19.04*** | 3.99 | 9.54, 28.54 |
C vs. A | 26.87*** | 5.09 | 14.78, 38.97 | ||
C vs. B | 7.84 | 4.04 | -1.77, 17.44 | ||
Brooding | 21.10*** | B vs. A | 7.33*** | 1.41 | 3.98, 10.67 |
C vs. A | 9.47*** | 1.79 | 5.21, 13.73 | ||
C vs. B | 2.14 | 1.42 | -1.24, 5.52 | ||
Reflective pondering | 4.68* | B vs. A | 2.87 | 1.47 | -0.62, 6.36 |
C vs. A | 5.37* | 1.87 | 0.93, 9.82 | ||
C vs. B | 2.51 | 1.48 | -1.02, 6.04 | ||
Depressive rumination | 21.25*** | B vs. A | 8.85*** | 1.73 | 4.74, 12.95 |
C vs. A | 12.03*** | 2.20 | 6.80, 17.26 | ||
C vs. B | 3.19 | 1.75 | -0.96, 7.34 | ||
PSS-10 | 9.40*** | B vs. A | 4.24* | 1.68 | 0.24, 8.25 |
C vs. A | 8.20*** | 2.11 | 3.18, 13.21 | ||
C vs. B | 3.95* | 1.65 | 0.03, 7.87 | ||
Perceived helplessness | 8.66*** | B vs. A | 3.53* | 1.32 | 0.40, 6.66 |
C vs. A | 6.05** | 1.65 | 2.13, 9.97 | ||
C vs. B | 2.53 | 1.29 | -0.54, 5.59 | ||
Perceived self-efficacy | 1.83 | B vs. A | 0.72 | 0.98 | -1.62, 3.06 |
C vs. A | 2.14 | 1.23 | -0.79, 5.08 | ||
C vs. B | 1.43 | 0.97 | -0.87, 3.72 |