Table 2.

Standardized regression coefficients (β) and R² from hierarchical regression models for individual FTO SNPs predicting total energy intake, carbohydrate intake, fat intake, protein intake and sugar intake.^a

	rs9936768 52457064	rs8049933 52651631	rs7199716 52590749	rs12921970 52422727	rs12446047 52554803	rs11076022 52708479
Total Energy Intake (kcal)
RRVfoodb	0.371*	0.371*	0.371*	0.371*	0.371*	0.371*
SNP	−0.111	0.024	0.129	0.096	−0.039	0.063
RRVfood x SNP	−0.323**	−0.295**	0.318**	0.294**	0.344**	0.306**
Total R2	0.206	0.191	0.216	0.205	0.211	0.203
Carbohydrate Intake (kcal)
RRVfood	0.367*	0.367*	0.367*	0.367*	0.367*	0.367*
SNP	−0.109	0.018	0.127	0.098	−0.032	0.062
RRVfood x SNP	−0.311**	−0.284**	0.312**	0.295**	0.335**	0.297**
Total R2	0.201	0.186	0.213	0.205	0.206	0.199
Fat Intake (kcal)
RRVfood	0.375*	0.375*	0.375*	0.375*	0.375*	0.375*
SNP	−0.114	0.029	0.132	0.094	−0.038	0.064
RRVfood x SNP	−0.332**	−0.305**	0.318**	0.293**	0.349**	0.311**
Total R2	0.208	0.193	0.216	0.204	0.212	0.203
Protein Intake (kcal)
RRVfood	0.289*	0.289*	0.289*	0.289*	0.289*	0.289*
SNP	−0.117	0.012	0.133	0.122	−0.052	0.033
RRVfood x SNP	−0.228	−0.231	0.294**	0.303**	0.287**	0.223
Total R2	0.172	0.164	0.203	0.206	0.183	0.165
Sugar Intake (kcal)
RRVfood	0.364*	0.364*	0.364*	0.364*	0.364*	0.364*
SNP	−0.114	−0.012	0.133	0.105	−0.060	0.090
RRVfood x SNP	−0.253	−0.246	0.216	0.276**	0.264**	0.270**
Total R2	0.199	0.189	0.202	0.214	0.199	0.207

^*p < 0.001

^**p < 0.000735 (corrected using false discovery estimates for the 68 FTO SNPs studied) using PLINK.

^aControlled for proportion African, the highest reinforcement schedule of reading and BMI.

^bRRV_food = the highest reinforcement schedule completed for access to food or alternatives in the RRV task.