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Feasibility and effectiveness of an automated bilingual text message intervention for weight loss: Pilot study
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نویسنده
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kolodziejczyk j.k. ,norman g.j. ,barrera-ng a. ,dillon l. ,marshall s. ,arredondo e. ,rock c.l. ,raab f. ,griswold w.g. ,sullivan m. ,patrick k.
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منبع
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journal of medical internet research - 2013 - دوره : 15 - شماره : 11
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چکیده
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Background: little is known about the feasibility and acceptability of tailored text message based weight loss programs for english and spanish-language speakers. objective: this pilot study evaluated the feasibility,acceptability,and estimated impact of a tailored text message based weight loss program for english and spanish-language speakers. the purpose of this pilot study was to inform the development of a full-scale randomized trial. methods: there were 20 overweight or obese participants (mean age 40.10,sd 8.05; 8/20,40% male; 9/20,45% spanish-speakers) that were recruited in san diego,california,from march to may 2011 and evaluated in a one-group pre/post clinical trial. for 8 weeks,participants received and responded to 3-5 text messages daily sent from a fully automated text messaging system. they also received printed weight loss materials and brief 10-15 minute weekly counseling calls. to estimate the impact of the program,the primary outcome was weight (kg) measured during face-to-face measurement visits by trained research staff. pre and post differences in weight were analyzed with a one-way repeated measures analysis of variance. differences by language preference at both time points were analyzed with t tests. body mass index and weight management behaviors also were examined. feasibility and acceptability were determined by recruitment success,adherence (ie,percentage of replies to interactive text messages and attrition),and participant satisfaction. results: participants who completed the final assessment (n=18) decreased body weight by 1.85 kg (f1,17=10.80,p=.004,ci? 0.66-3.03,η2=0.39). at both time points,there were no differences in weight by language preference. participants responded to 88.04% (986/1120) of interactive text messages,attrition rate was 10% (2/20),and 94% (19/20) of participants reported satisfaction with the program. conclusions: this fully automated text message based weight program was feasible with english and spanish-speakers and may have promoted modest weight loss over an 8-week period.
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کلیدواژه
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Cellular phone; Diet; Health behavior; Hispanic Americans; Obesity; Physical activity; Text messaging; Weight loss
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آدرس
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center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca,united states,graduate school of public health,san diego state university,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, graduate school of public health,san diego state university,san diego,ca, United States, department of family and preventive medicine,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, computer science and engineering,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States, center for wireless and population health systems (cwphs),qualcomm institute/calit2,university of california,san diego,9500 gilman drive,san diego,ca,92093,united states,department of family and preventive medicine,university of california,san diego,san diego,ca, United States
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Authors
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