"The research characterized workers having suffered an occupational injury. These workers constitute the target population of a governmental policy designed to favour early return to work. The characteristics of workers, characteristics of injuries and structural characteristics of companies in cases in which return to work measures were present were compared with these same characteristics in cases in which such measures were absent. The presence or absence of return to work measures was a defining characteristic of the seven classes identified by multivariate analysis. The composition of these classes reflects the complex interaction between return to work measures on the one hand and the socio-demographic characteristics of workers, characteristics of injuries, and structural characteristics of companies on the other. "

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