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Table 4 Associations between PTSD symptom severity and sex, age group, exposure to torture, and level of physical activity

From: Physical activity, post-traumatic stress disorder, and exposure to torture among asylum seekers in Sweden: a cross-sectional study

Covariates

Model 1a

   

Model 2b

   

Model 3c

   

B

SE B

95% CI

p

B

SE B

95% CI

p

B

SE B

95% CI

p

Sex

 Woman

−0.207

0.100

−0.416 - -0.023

.038

−0.259

0.096

−0.468 --0.081

.010

−0.321

0.087

−0.501 --0.161

.002

 Man

Ref.

   

Ref.

   

Ref.

   

Age group

 18–30

Ref.

   

Ref.

   

Ref.

   

 31–64

−0.047

0.088

−0.213 -0.127

.607

−0.015

0.085

−0.167 -0.166

.869

−0.009

0.079

−0.155 -0.149

.905

Exposure to torture

 Yes

    

0.526

0.085

0.358–0.700

< .001

0.469

0.083

0.308–0.631

< .001

 No

    

Ref.

   

Ref.

   

Level of PA

 Inactive

        

0.789

0.104

0.591–1.005

< .001

 Insufficient PA

        

0.297

0.086

0.133–0.465

< .001

 Sufficient PA

        

Ref.

   

R2

0.02

   

0.13

   

0.25

   
  1. a Model 1 includes the variables sex and age
  2. b Model 2 includes the variables sex, age, and exposure to torture
  3. c Model 3 includes the variables sex, age, exposure to torture, and PA level
  4. SE, p, and CI are based on 1000 bootstrap samples
  5. PTSD symptom severity is based on the HTQ total score
  6. Levels of PA are based on the EVS total score of minutes per week in moderate to strenuous exercise; Inactive (0 min·wk.-1), Insufficient PA (1–149 min·wk.-1), and Sufficient PA (≥ 150 min·wk.-1)
  7. PTSD, post-traumatic stress disorder; PA, physical activity; HTQ, Harvard Trauma Questionnaire; EVS, Exercise Vital Sign; B, unstandardized beta; SE, standard error; CI, confidence interval; p, probability value; R2, coefficient of determination
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BMC Psychiatry

ISSN: 1471-244X

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