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Table 1 Mean pre-survey and post-survey mood scores at baseline and follow-up

From: What do young adolescents think about taking part in longitudinal self-harm research? Findings from a school-based study

Self-harm status Gender Baseline Follow-up
N VAS pre- VAS post- N VAS pre- VAS post-
SH no Boys 199 7.09 (1.82) 7.21 (1.99) 176 7.03 (1.89) 6.72 (2.24)
  Girls 164 6.72 (1.86) 6.68 (2.15) 138 6.67 (1.76) 6.67 (2.01)
SH yes Boys 43 5.93 (2.29) 6.35 (2.28)a 45 6.12 (2.22) 5.48 (2.44)
  Girls 65 4.97 (1.77) 4.79 (1.85)a 72 5.33 (2.13) 4.58 (2.24)
Overall 491 6.60 (1.97) 6.54 (2.18) 489 6.49 (1.9) 6.22 (2.3)b
  1. The table presents means for the VAS (visual analogue scale) ratings provided at the start (VAS pre-) and at the end (VAS post-) of each survey assessment for the sample overall, and by self-harm Status and Gender. Standard deviations are shown in parentheses
  2. “SH yes” denotes lifetime incidence of self-harm. “SH no” denotes no reported history of self-harm
  3. a A significant interaction between mean mood-change score for boys and girls at the level of SH yes F(1467) = 8.189, p = .004, η2 = .017 which survives Bonferroni correction at p = .025
  4. b A statistically significant difference between VAS pre- and VAS post-survey scores, t= 3.807, p< .0001