Volume 378, Issue 9785, Pages 49-55 (July 2011) Smoking cessation support delivered via mobile phone text messaging (txt2stop): a single-blind, randomised trial Dr Caroline Free, PhD, Rosemary Knight, RGN, Steven Robertson, BA, Robyn Whittaker, MPH, Phil Edwards, PhD, Weiwei Zhou, MSc, Prof Anthony Rodgers, PhD, Prof John Cairns, PhD, Prof Michael G Kenward, PhD, Prof Ian Roberts, PhD The Lancet Volume 378, Issue 9785, Pages 49-55 (July 2011) DOI: 10.1016/S0140-6736(11)60701-0 Copyright © 2011 Elsevier Ltd Terms and Conditions
Figure 1 Trial profile The Lancet 2011 378, 49-55DOI: (10.1016/S0140-6736(11)60701-0) Copyright © 2011 Elsevier Ltd Terms and Conditions
Figure 2 Effect of the txt2stop intervention on the primary outcome by subgroup (multiple imputation by chained equations) *99% CI for relative risks of subgroups. †95% CI for overall relative risk. The Lancet 2011 378, 49-55DOI: (10.1016/S0140-6736(11)60701-0) Copyright © 2011 Elsevier Ltd Terms and Conditions