J. Med. Internet Res. - Daily text messaging for weight control among racial and ethnic minority women: randomized controlled pilot study.

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Resumo

CKGROUND: Daily self-monitoring of diet and physical activity behaviors is a strong predictor of weight loss success. Text messaging holds promise as a viable self-monitoring modality, particularly among racial/ethnic minority populations.OBJECTIVE: This pilot study evaluated the feasibility of a text messaging intervention for weight loss among predominantly black women.METHODS: Fifty obese women were randomized to either a 6-month intervention using a fully automated system that included daily text messages for self-monitoring tailored behavioral goals (eg, 10,000 steps per day, no sugary drinks) along with brief feedback and tips (n=26) or to an education control arm (n=24). Weight was objectively measured at baseline and at 6 months. Adherence was defined as the proportion of text messages received in response to self-monitoring prompts.RESULTS: The average daily text messaging adherence rate was 49% (SD 27.9) with 85% (22/26) texting self-monitored behavioral goals 2 or more days per week. Approximately 70% (16/23) strongly agreed that daily texting was easy and helpful and 76% (16/21) felt the frequency of texting was appropriate. At 6 months, the intervention arm lost a mean of 1.27 kg (SD 6.51), and the control arm gained a mean of 1.14 kg (SD 2.53; mean difference -2.41 kg, 95% CI -5.22 to 0.39; P=.09). There was a trend toward greater text messaging adherence being associated with greater percent weight loss (r=-.36; P=.08), but this did not reach statistical significance. There was no significant association between goal attainment and text messaging adherence and no significant predictors of adherence.CONCLUSIONS: Given the increasing penetration of mobile devices, text messaging may be a useful self-monitoring tool for weight control, particularly among populations most in need of intervention.TRIAL REGISTRATION: Clinicaltrials.gov: NCT00939081; http://clinicaltrials.gov/show/NCT00939081 (Archived by WebCite at http://www.webcitation.org/6KiIIcnk1).

Resumo Limpo

ckground daili selfmonitor diet physic activ behavior strong predictor weight loss success text messag hold promis viabl selfmonitor modal particular among racialethn minor populationsobject pilot studi evalu feasibl text messag intervent weight loss among predomin black womenmethod fifti obes women random either month intervent use fulli autom system includ daili text messag selfmonitor tailor behavior goal eg step per day sugari drink along brief feedback tip n educ control arm n weight object measur baselin month adher defin proport text messag receiv respons selfmonitor promptsresult averag daili text messag adher rate sd text selfmonitor behavior goal day per week approxim strong agre daili text easi help felt frequenc text appropri month intervent arm lost mean kg sd control arm gain mean kg sd mean differ kg ci p trend toward greater text messag adher associ greater percent weight loss r p reach statist signific signific associ goal attain text messag adher signific predictor adherenceconclus given increas penetr mobil devic text messag may use selfmonitor tool weight control particular among popul need interventiontri registr clinicaltrialsgov nct httpclinicaltrialsgovshownct archiv webcit httpwwwwebcitationorgkiiicnk

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