Skip to main content

Table 5 Estimated marginal adjusted means for each group with and without MDD

From: Psychological distress following a motor vehicle crash: preliminary results of a randomised controlled trial investigating brief psychological interventions

  Control HL CBT
Mean (SE) 95% CI Mean (SE) 95% CI Mean (SE) 95% CI
DASS-21
 Without MDD
  Baseline 40.27(3.3)33.7–46.8 35.76(3.8)28.2–43.3 39.92(3.1)33.8–46.0
  3 months 26.90(7.1)12.7–41.1 31.10((8.2)14.8–47.4 30.40(6.6)17.4–43.6
 With MDD
  Baseline 45.49(3.2)39.1–51.8 46.51(3.1)40.4–52.6) 43.75(3.3)37.3–50.2
  3 months 37.34(6.9)23.7–51.0 49.38(6.6)36.3–52.5 36.65(7.0)22.7–50.7
IES-R
 Without MDD
  Baseline 37.18(2.2)32.8–41.6 36.31(2.5)31.3–41.4 36.87(2.1)32.7–41.0
  3 months 26.47(4.3)17.8–35.1 26.00(5.0)16.1–35.9 27.92(4.1)19.7–36.1
With MDD
  Baseline 41.11(2.1)35.9–44.3 41.56(2.1)37.3–45.8 38.95(2.2)34.5–43.4
  3 months 39.56(4.2)31.3–47.8 42.97(4.2)34.6–51.3 32.53(4.4)23.8–41.2
  1. Covariates for the DASS-21 analysis were DASS-21 depression and physical component summary. Covariates for the IES-R analysis were IES-R intrusion and physical component summary
  2. CBT cognitive behaviour therapy, CI confidence interval, DASS-21 Depression, Anxiety and Stress Scale 21, HL healthy lifestyle, IES-R Impact of Events Scales (Revised), MDD major depressive disorder SE standard error of the mean