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Table 4 Predictors of PTSD symptoms at 15 months after the explosion among young people who were in town at the time of, shortly after or left just before the explosion

From: The effects of the Omagh bomb on adolescent mental health: a school-based study

 

Model 1

Model 2

Model 3

Model 4

 

(N = 2095)

(N = 2095)

(N = 1856)

(N = 1848)

R-squared

0.19

0.22

0.56

0.59

Model fit (RMSE)a

0.96

0.89

0.65

0.64

Gender (Female)

0.41** (0.04)

0.34** (0.04)

0.01 (0.03)

0.01 (0.03)

Age

−0.06** (0.02)

−0.07** (0.02)

−0.01 (0.01)

−0.02 (0.01)

Prior psychological help

0.65** (0.11)

0.49** (0.1)

0.21** (0.08)

0.13 (0.08)

Exposure

    

Near miss

-

0.19* (0.09)

0.04 (0.07)

0.04 (0.07)

Loss

-

0.30** (0.05)

0.11* (0.04)

0.10* (0.04)

Witness

-

0.84** (0.06)

0.38** (0.05)

0.30 (0.05)

Present

-

1.16** (0.17)

0.58** (0.13)

0.37** (0.13)

Perceived life threat

-

1.26** (0.16)

0.56 (0.14)

0.34* (0.14)

Cognitive predictors

    

PTCI factor A

-

-

0.03** (0)

0.03** (0)

PTCI factor B

-

-

0.01 (0)

0.01 (0)

Thought/Emotional suppression

-

-

0.04** (0.01)

0.03 (0.01)

Rumination

-

-

0.04** (0.01)

0.04** (0.01)

“Nowness” of memory

-

-

0.16** (0.02)

0.16** (0.02)

Muddled memory

-

-

0.02 (0.02)

0.01 (0.02)

Social support & family structure

    

Single parent

-

-

-

0.00 (0.05)

Reconstituted

-

-

-

0.12 (0.11)

Felt more part of community

-

-

-

0.02 (0.03)

Post psychological help

-

-

-

0.79** (0.09)

  1. Note: *p < 0.05; **p < 0.01. In the calculation of the regression model the outcome variable was standardized (z score) and the model controlled for having a missing value on any of the items used in the construction of the exposure scale (parameter estimates for these covariates are not shown).
  2. aRoot Mean Square Error.