Table 2.

R-SMS-DS response rates

	Acupuncture n = 214		Counselling n = 207		Usual care n = 106		Total n = 527
Number of patients responding to any text	206	96.3%	194	93.7%	98	92.5%	498	94.5%
Number of patients responding at Week 2	182	85.0%	167	80.7%	89	84.0%	438	83.1%
Number of patients responding at Week 16	152	71.0%	141	68.1%	87	82.1%	380	72.1%
Mean number of responses of responding patients	12.5	SD = 3.23	11.9	SD = 4.09	13.6	SD = 1.95	12.5	SD = 3.45