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. Author manuscript; available in PMC: 2024 Jan 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2022 Sep 1;75(1):174–179. doi: 10.1002/acr.24758

Table 3.

Conditional logistic regression models for PTSD in relation to incident SLE, comparing PTSD to no PTSD

Conditional logistic regression Multivariable-adjusted conditional logistic regression1
OR CI p-value OR CI p-value
All cases and controls No PTSD 1.00 Ref 1.00 Ref
PTSD 1.96 1.66–2.33 <0.0001 2.00 1.64, 2.46 <0.0001
Sensitivity analysis 12 No PTSD 1.00 Ref 1.00 Ref
PTSD 2.64 2.07–3.37 <0.0001 3.62 2.35–5.56 <0.0001
Sensitivity analysis 23 No PTSD 1.00 Ref 1.00 Ref
PTSD 2.11 1.74–2.57 <0.0001 1.90 1.51–2.39 <0.0001
1

Conditioned on matching factors, age, sex and race/ethnicity. Multivariable conditional logistic regression additionally adjusted for area-level median household income, US region of residence, smoking, obesity, oral contraceptive use, and days enrolled in Medicaid prior to index date.

2

Excluded patients with <24 months of enrollment before the index date

3

Excluded patients with <6 months between the first PTSD and SLE codes