translate English to French: Comprehensive comparison group analyses were difficult to complete, since current detailed data on individual communities were not available. In addition, the lack of secondary data at the community or reserve level prohibited the study team from completing a detailed comparison group analysis.
De plus, l’ bsence de donnés secondaires en ce qui s a e concerne la communautéou de la réerve, a empêhé groupe d’ ude de , s c le t é faire une analyse dé e du groupe de comparaison (voir la section 5.4.1); taillé il n’ pas épossible d’nterviewer tous les participants au programme.