Table 4. Retention rates.

	SBA	5:2 SH	5:2 G
	(N = 100)	(N = 100)	(N = 100)
At 6 weeks N(%)	77 (77) *	87 (87) *	86 (86)
At 3 months N (%)	71 (71)	77 (77)	82 (82)
At 6 months N (%)	66 (66)	70 (70)	69 (69)
At 12 months N (%)	48 (48)	56 (56)	45 (45)

* N = 1 follow-up was completed over the phone.