“…Possible reasons for the higher rates of Major Depression found in the NCS and OADP compared with the ECA include the use of interviews using more than one probe question, such as the Composite International Diagnostic Interview (CIDI) or SADS, as opposed to the Diagnostic Interview Schedule (DIS), which uses just one (Blazer et al, 1994 ;Lewinsohn et al, 1993). Other studies of Major Depression in community samples in comparable age ranges have tended to find prevalence rates within the limits estimated by the above epidemiological studies, typically more towards the higher end than the lower (Bailly, Beuscart, Collinet, & Alexandre, 1992 ;P. Cohen, Cohen, Kasen, & Velez, 1993 ;Monck, Graham, Richman, & Dobbs, 1994 ;Reinherz, Giaconia, Lefkowitz, & Pakiz, 1993), and this applies also to the control group in the present study.…”