Are you exhausted of people frequently telling you to go out, get into shape and lose weight? To measure preferences regarding the need to lose weight, we use the question: 'Do you feel like you need to lose or gain weight?' Response formats were: lose more than 15 kg, lose 11-15 kg, lose 6-10 kg, lose 1-5 kg, neither lose nor gain weight, gain 1-5 kg, gain 6-10 kg, gain 11-15 kg, gain >15 kg. The number of categories were reduced to three in the cross-tabulations: 1= those that believe they need to lose weight, 2= do not want to change their body weight and 3= those that believe they need to gain weight. In the multivariate modelling groups were reduced to two: 1= want to lose weight and 0= does not need to lose weight or need to gain weight. The reason is that association between the need to gain weight and body weight dissatisfaction is much smaller than with needing to lose weight (analysis not shown).
The low-carb eating strategy is based on the theory that people who eat carbohydrates take in more calories and gain weight, while people on a high-fat diet eat less and lose weight. However, low-carbohydrate diets tend to cause dehydration by shedding pounds as urine. The result is rapid weight loss, but after a few months, weight loss tends to slow and reverse, just as happens with other diets.
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