Table 1.
Summary of the known relationship between Urinary c-peptide levels and different measures of nutritional status for different primate species under different settings.
Table 2.
Species, sex, age, body weight, and housing condition of animals.
Figure 1.
Individual UCP levels of animals in relation to BMI, skinfold fatness and plasma C-peptide levels.
Mean individual log10 transformed UCPs of captive DPZ (left boxes; open symbols) and free-ranging Cayo Santiago (right boxes; black symbols) animals in relation to BMI (a,b), skinfold thickness (c,d) and plasma C-peptide levels (e,f). “*” P<0.05; “**”P<0.01. The UCP level values presented in this figure come from samples collected during periods of normal feeding; none come from the experimental period.
Figure 2.
Changes in body mass and UCP levels during the feeding experiment.
Changes in body mass (a) and UCP levels (b) for fasting (black circles) and non-fasting (white circles) samples during the diet and re-feeding period of the feeding experiment. For body mass, values represent percentages of the mean weight determined during the pre-experimental control period ( = 100%). All values represent medians with standard errors. C-peptide values on Day 0 represent individual mean levels during the pre-experimental control period.
Figure 3.
Concentration of UCP levels during the five phases of the feeding experiment.
Box plots showing grouped concentrations of UCP levels, for the fasting samples, during the five phases of the food reduction experiment. The boxes indicate medians (line) and first and third quartiles. The whiskers indicate the 90th and 10th percentiles. “*” P<0.05