Table 3.

Satisfaction levels among DD and non-DD clients in same treatment setting

Author	Treatment setting	Total sample	DD clients	Non-DD clients	Satisfaction levels between groups
Boden & Moos (2009) [36]	Drug/alcohol programme	N = 2,496	n = 691 Main DD: mood disorder + alcohol misuse	n = 1,805 Problem area: alcohol misuse	DD clients were significantly less satisfied with treatment (F = 27.9, p < 0.01).
Burns et al. (2005) [33]	Drug/alcohol programme	N = 71	n = 48 Main DD: mood disorder + alcohol misuse	n = 23 Problem area: alcohol misuse	No significant differences in satisfaction scores between groups (t = -0.41, p = 0.15).
Herrell et al. (1996) [35]	Mental health programme	N = 92	n = 24 Main DD: mood disorder + unspecified substance misuse	n = 68 Problem area: mood disorder	No significant differences in satisfaction scores between groups (t = 1.14, p > 0.25).

Key: DD = dual diagnosis