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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