The result of the analysis was that none of the background variables except for a respondent’s familiarity with code smells had a significant contribution to the perceived level of criticality of code smells for that respondent (B = :388, p < :05). This is in accordance to our observations from Figure 6 and signifies that, in general, the more details people actually know about code smells, the more concerned they are by the presence of smells in their code.