Even if nutritional information about calories is available, dieters must still monitor how much they eat, as well as what they eat, with some degree of accuracy. Whether it is tabulated online or on paper, the dieter must take the time to weigh and measure, or at least estimate serving sizes. If he or she does not, portion sizes can easily wreck havoc upon weight loss even with a nutritionally balanced diet.
However, an admittedly small, recent 2010 pilot study, entitled "A community intervention on portion control aimed at weight loss in low-income Mexican-American women" reported by Mary Ann Faucher in the Journal of Midwifery and Women's Health questions the notion of whether detailed education in portion sizes, calories, or overall nutrition is really that valuable for the average dieter. The researchers unintentionally substantiated Shay's concept of self-monitoring being associated with weight loss, although self-monitoring was not part of the study's intention.
The study involved a historically disenfranchised group that has been shown to disproportionately suffer from obesity, due to the stressors of poverty and a lack of access to healthy food. The study attempted to determine if a community-based nutritional intervention program with an emphasis on portion control would lead to 'significant' weight loss amongst a trial group of nineteen Mexican-American women. The participants were divided through randomization into a control group, which received standard weight loss counseling, and another group which received instruction that stressed portion control. For twenty weeks, both groups received four 2-hour classes taught by a certified nurse-midwife...
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