Jean Harvey1, Rebecca Krukowski2, Jeff Priest3, Delia West4. 1. Department of Nutrition and Food Sciences, University of Vermont, Burlington, Vermont, USA. 2. Department of Preventive Medicine, University of Tennessee Health Sciences Center, Memphis, Tennessee, USA. 3. Medical Biostatistics Unit, University of Vermont, Burlington, Vermont, USA. 4. Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA.
Abstract
OBJECTIVE: Dietary self-monitoring is consistently related to both short- and long-term weight loss. The purpose of this study was to quantify the time spent and the daily frequency of self-monitoring necessary for weight-loss success. METHODS: Participants in a 24-week, online, behavioral weight-control intervention recorded daily dietary intake using a Web-based dietary analysis program. Time spent self-monitoring and frequency of dietary journal page access were captured. Weight loss (kilograms) and the proportion of participants losing ≥ 5% and ≥ 10% of baseline weight were assessed at 6 months. RESULTS:Participants (n = 142; BMI 35.8 kg/m2 ; 90.8% female; 23.2% African American) spent an average of 23.2 minutes per day self-monitoring in month 1 and 14.6 minutes in month 6. For those still recording any minutes self-monitoring by month 6 (65.5%), there were no significant differences in time spent based on weight loss; however, those losing either ≥ 5% or ≥ 10% logged in to the journal Web page significantly more times per day (1.6 vs. 2.4, P < 0.001 for < 5% vs. ≥ 5%; 1.7 vs. 2.7, P < 0.001 for < 10% vs. ≥ 10%). CONCLUSIONS: The frequency of self-monitoring is significantly related to weight loss, with the time needed to be successful diminishing during the intervention.
RCT Entities:
OBJECTIVE: Dietary self-monitoring is consistently related to both short- and long-term weight loss. The purpose of this study was to quantify the time spent and the daily frequency of self-monitoring necessary for weight-loss success. METHODS:Participants in a 24-week, online, behavioral weight-control intervention recorded daily dietary intake using a Web-based dietary analysis program. Time spent self-monitoring and frequency of dietary journal page access were captured. Weight loss (kilograms) and the proportion of participants losing ≥ 5% and ≥ 10% of baseline weight were assessed at 6 months. RESULTS:Participants (n = 142; BMI 35.8 kg/m2 ; 90.8% female; 23.2% African American) spent an average of 23.2 minutes per day self-monitoring in month 1 and 14.6 minutes in month 6. For those still recording any minutes self-monitoring by month 6 (65.5%), there were no significant differences in time spent based on weight loss; however, those losing either ≥ 5% or ≥ 10% logged in to the journal Web page significantly more times per day (1.6 vs. 2.4, P < 0.001 for < 5% vs. ≥ 5%; 1.7 vs. 2.7, P < 0.001 for < 10% vs. ≥ 10%). CONCLUSIONS: The frequency of self-monitoring is significantly related to weight loss, with the time needed to be successful diminishing during the intervention.
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