Table 2.

Rates of retention by treatment group.

Follow-up time point	Overall % (95% confidence interval, n)	Treatment as usual (95% confidence interval, n)	Guided self-help (95% confidence interval, n)
10 weeks	77% (66%–86%, n = 54)	66% (48%–80%, n = 23)	89% (73%–96%, n = 31)
16 weeks	70% (58%–80%, n = 49)	54% (38%–70%, n = 19)	86% (70%–94%, n = 30)
24 weeks	70% (58%–80%, n = 49)	57% (40%–73%, n = 20)	83% (66%–92%, n = 29)