The mean weight loss among more than 5,000 men and women in the National Weight Control Registry is 60 pounds, and the group has maintained that loss for roughly five years.
Mean weight gain among fish in the lake generally corresponded best to mean weight gain of fish in enclosures with about 42 fish m−3, suggesting that the juvenile fish in the lake experience a similar competitive pressure as at a fish biomass corresponding to 42 fish m−3 in the enclosures.
A tendency towards lower mean weight retention among women who had received the intervention was nevertheless visible.
Actual mean weight change among insulin detemir patients was negative in contrast to insulin glargine-treated patients where the average weight increase was 1.5 kg.
Mean weight loss among obese patients with ADHD (OB+ADHD) was 2.6 BMI (kg/m) vs. 4.0 for non-ADHD (NAD) (p < 0.002).
In a randomised controlled trial of commercial weight loss diets, conducted as part of a BBC series, mean weight change among self-selected participants at 2 months ranged from -3.8%to-5.5%5% initial weight for the various diets vs. -0.4% for controls and -4.9 to -7.3% at 6 months vs. +0.6% for controls [ 9].
Body weight among the study population increased by 5.06 ± 3.66 kg from a mean weight of 66.1 ± 8.4 kg at the onset of treatment.
For example, Callegari et al.'s subjects had a mean weight of 2,530 g; Phillips et al. did not present mean birth weight but subjects were required to have a birth weight above 2,750 g; and in our study the mean birth weight among females was 3,060 g.
For 940 observations of length among 354 infants, the mean length for age Z-score was −0.91 (SD 1.6) and for 931 observations of concurrent weight and length, the mean weight for length Z-score was −0.21 (SD 1.4).
At sacrifice, when the animals were 8 months old, the mean weight was similar among dietary groups, with no apparent signs of toxicity from the treatments (445 ± 15 g, 461 ± 14 g, 420 ± 18 g, 456 ± 10 g, 429 ± 13 g and 406 ± 2 g; means ± SE, in Controls, DIM CUR SU 80, DIM CUR SU 160, SU 320, DIM CUR and SU 80 groups, respectively).
Thus, how can we explain both the sudden change in human mean weight and the variability among people in essentially the same environments?
