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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: J Rheumatol. 2019 Jan 15;46(7):727–730. doi: 10.3899/jrheum.180481

Table 2.

Odds ratios for smoking, body mass index and obesity and risk of primary Sjögren’s Syndrome

Variables Odds Ratio 95% Confidence of Interval p value
Smoking status at index date
    Current smoker (versus never smoker)
0.34
0.14, 0.85
0.021
    Former smoker (versus never smoker) 1.27 0.80, 2.03 0.320
BMI at index date, kg/m2 0.97 0.94, 1.01 0.090
Obesity (BMI≥30 kg/m2) at index date 0.79 0.48, 1.30 0.350

The reported odds ratios are calculated by conditional logistic regression stratified by age- and sex-matched pair.

Abbreviations: BMI=Body mass index.