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. Author manuscript; available in PMC: 2025 Aug 27.
Published in final edited form as: Psychol Trauma. 2024 Jun 27;17(6):1231–1242. doi: 10.1037/tra0001698

Table A.4.

Results of final linear mixed-effects models predicting anxiety symptom severity

Fixed Effects
Est/Beta SE 95% CI t p

Cumulative Trauma Model
Intercept 1.33 0.24 .86 – 1.80 5.60 <.001*
Time −.17 0.10 −.37 − .04 −1.64 .107
Female .27 0.12 .03 − .52 2.20 .031*
Age (Time 1) 0.01 0.01 −.004 − .02 1.38 .173
Cumulative
Trauma
.11 0.04 .03 − .19 2.66 .009*
Time X Cumulative Trauma −.05 0.04 −.13 − .04 −1.13 .262

Trauma Subtypes Model
Intercept 1.13 .23 .68 – 1.58 5.00 <.001*
Time −.18 .10 −.38 − .02 −1.76 .083
Female .42 .12 .19 − .65 3.59 <.001*
Age (Time 1) .01 .01 .001 − .02 2.11 .039*
Victimization .89 .29 .33 − 1.46 3.12 .002*
Death Threat .07 .07 −.06 − .20 1.12 .266
Accident/Injury .03 .10 −.17 − .22 .27 .785
Time X Victimization .12 .33 −.54 − .77 .35 .726
Time X Death Threat −.01 .07 −.16 − .14 −.16 .877
Time X Accident/Injury −.15 .12 −.38 − .08 −1.27 .209

Random Effects
Cumulative Trauma Model Variance SE
Residual .230 .04
Intercept (Participant) .138 .05

Trauma Subtypes Model
Residual .229 .04
Intercept (Participant) .087 .05

Model fit
Cumulative Trauma Model

Pseudo-R2 Marginal Conditional

0.152 0.470

Trauma Subtypes Model

Pseudo-R2 Marginal Conditional

0.280 0.477

Note. Abbreviations: Random effects (RE); Fixed effects (FE)