... disease activity rather thanfrom RA disease activity itself.Introduction The possible influence of gender and gender-related variableson the phenotype, severity, and prognosis of rheumatoid ... Finland, France, Germany,Greece, Hungary, Ireland, Italy, Kosovo, Latvia, Lithuania, The Netherlands, Poland, Russia, Serbia, Spain, Sweden, Turkey,United Arab Emirates, the UK, and the US. The ... duration of morning stiff-ness; lifestyle choices such as smoking and physical exercise;height and weight to calculate body mass index; and demo-graphic data, including years of education and...