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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Appetite. 2014 Nov 24;85:185–189. doi: 10.1016/j.appet.2014.11.023

Table 1.

Mean relative reinforcing efficacy, mean delay discounting, mean sibling differences, and intraclass correlations (with 95% CIs) by sibling weight status. Sibling difference is calculated by subtracting the raw data of the non-overweight sibling from the overweight sibling.

Non-overweight sibling Overweight sibling Sibling difference ICC
Relative reinforcing efficacy (breakpoint, $USD) 5.3 ± 1.1 8.3 ± 2.3 3.0 ± 1.4 0.29 (–0.24, 0.69)
Delay discounting (AUC) 0.15 ± 0.02 0.13 ± 0.02 0.01 ± 0.03 –0.02 (–0.52, 0.49)

Data are mean ± SE.

AUC – area under the curve.