Gastroenterology Research and Practice

Research Article

Prevalence and Risk Factors of Gastrointestinal Disorders in Patients with Rheumatoid Arthritis: Results from a Population-Based Survey in Olmsted County, Minnesota

Table 1

Characteristics of RA and non-RA cohorts.
VariableRA ( )Non-RA ( ) value*
Mean age, years (SD)62.4 (13.4)63.6 (13.4)0.39
Female, (%)204 (72)165 (71)0.80
Mean BMI, kg/m2 (SD)29.0 (5.8)29.5 (6.8)0.69
Alcoholic drinks,
number per week		0.80
 <1/week, (%)192 (68)151 (65)
 1–6/week, (%)70 (25)62 (27)
 ≥7/week, (%)22 (8)20 (9)
Ever Smoker, (%) 129 (46)92 (39)0.12
RA: rheumatoid arthritis; SD: standard deviation; BMI: body mass index.
* value indicates the differences between RA and non-RA cohorts.