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Table 2 Hazard Ratios for Selected Autoimmune Diseases By History of PTSD, 2001–2015

From: Posttraumatic stress disorder and risk of selected autoimmune diseases among US military personnel

 

All service members

Men

Women

Cases

IRa

HRb

95% CI

Cases

IRa

HRb

95% CI

Cases

IRa

HRb

95% CI

Any autoimmune disease

 No PTSD

755

1.3

1.0

Referent

417

1.0

1.0

Referent

338

2.2

1.0

Referent

 PTSD

109

2.3

1.6

1.2, 2.0

56

1.7

1.4

0.9, 2.0

53

3.5

1.7

1.2, 2.4

Rheumatoid arthritis

 No PTSD

267

0.5

1.0

Referent

130

0.3

1.0

Referent

137

0.9

1.0

Referent

 PTSD

42

0.9

1.4

0.9, 2.1

21

0.7

1.4

0.8, 2.5

21

1.4

1.4

0.8, 2.3

Systemic lupus erythematosus

 No PTSD

91

0.2

1.0

Referent

21

0.05

1.0

Referent

70

0.5

1.0

Referent

 PTSD

12

0.3

1.4

0.7, 2.8

3

0.09

1.3

0.3, 6.0

9

0.6

1.4

0.6, 3.0

Multiple sclerosis

 No PTSD

127

0.2

1.0

Referent

56

0.1

1.0

Referent

71

0.5

1.0

Referent

 PTSD

24

0.5

2.3

1.3, 3.9

16

0.5

3.5

1.7, 7.3

8

0.5

1.3

0.6, 3.0

Inflammatory bowel disease

 No PTSD

296

0.5

1.0

Referent

214

0.5

1.0

Referent

82

0.5

1.0

Referent

 PTSD

36

0.8

1.6

1.0, 2.4

19

0.6

1.0

0.6, 1.7

17

1.1

3.2

1.7, 5.9

  1. aRate per 1000 person-years
  2. bAdjusted for age, sex, enrollment panel, race/ethnicity, pay grade, service branch, and history of another mental health condition