A RCT to evaluate a totally automated, culturally-adapted telephone counselor for increasing physical activity among physically inactive individuals in China

Table 4 Effectiveness of TLC-PA-China to promote physical activity

		> = 150 min/wk. at least moderate intensity physical activity (%)
Group	N	Baseline	3 months	6 months
Control	101	0.0	6.9	13.9
Intervention	109	0.0	42.2	44.0
			RR (95% CI) = 6.09 (2.99, 12.79)	RR (95% CI) = 3.18 (1.91, 5.42)
			ARI = 35.27%	ARI = 30.18%
			RRI = 508.91%	RRI = 217.69%
			NNT = 2.84	NNT = 3.31

Study was conducted at Shenzhen, China between July and August 2009
RR Relative Risk, ARI Absolute Risk Increase, RRI Relative Risk Increase, NNT Number Needed to Treat

ISSN: 1471-2458