Community-Level Text Messaging for 2009 H1N1 Prevention in China

Background Although patients worldwide increasingly are using mobile phone text messaging (SMS) for clinical care, quality data are sparse on the community-level effectiveness of SMS to prevent and control disease. Purpose To determine SMS effectiveness in improving 2009 H1N1 knowledge, attitudes, behaviors, and self-reported outcomes and to assess community SMS acceptability. Methods A program evaluation of Shanghai, China's SMS system using a single-blinded, randomized-controlled method was conducted in 2010 and results were analyzed in 2010–2011. Randomly selected community residents who agreed to participate were assigned to receive 3 weeks of either 2009 H1N1 prevention and control or tobacco-cessation messages. Assessments were made of 2009 H1N1 knowledge, attitudes, behaviors, and self-reported influenza-like illness before and after sending messages to participants. Acceptability of SMS also was assessed. Results Of 1992 respondents, those receiving 2009 H1N1 messages had higher scores measuring 2009 H1N1 knowledge (4.2% higher) and desired attitudes (9.4% higher) ( p