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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Psychosom Med. 2016 May;78(4):454–464. doi: 10.1097/PSY.0000000000000299

Figure 4. Associations of within-twin-pair differences in trait anxiety with total kilocalories consumed at the ad libitum buffet and BMI in women.

Figure 4

After controlling for age, family background, and genetics (100% in MZ, 50% in DZ), trait anxiety was positively related to A) kilocalories (kcals) consumed during the buffet meal but not to B) BMI. Spearman’s rho and P-values derived from Spearman’s Rank Correlation Coefficient. BMI= body mass index.