The primary purpose of this study is to assess the ease-of-use of SimpleJectTM compared to pre-filled syringe(s) when using Kineret® in RA subjects. The secondary purpose of this study is to assess the level of fear and anxiety associated with the use of both injection methods, to assess safety when using SimpleJectTM and to evaluate the Ease-of-Administration Questionnaire (EAQ) in terms of the quality of items, item performance, and the instrument reliability.