The aim of this research is to confirm that information quality impacts individual work, considering external variables that may influence knowledge workers perception of information quality and individual impact. This research is descriptive and the constructs used are known and previously validated. However, the research model, that includes external variables that may influence the relationship between perceived information quality and individual impact, has never been proposed nor validated by other researchers. The research unit is the individual that work in organizations and use at least one information system to do his/her job. A survey using self employed electronic questionnaire was applied to one large organization that operates in Paraná State, Brazil. Structural Equation Modeling was used to analyze the data. The results confirmed the positive influence of information quality on individual impacts and pointed out external variables that influence these perceived variables.