Table 3:

Multivariate linear regression analyses predicting learning performance outcomes from behavioral and physiological variables (n=89)

Model 1: Linear regression to predict overall accuracy (% choose reward and avoid punishment)
	β	SE	t-value	p	Model fit
(Intercept)	0.867	0.131	6.611	> 0.001	Multiple R² = 0.23
1. BMI	−0.005	0.003	−1.980	0.051	adjusted R² = 0.13
2. N-Back Accuracy	−0.060	0.097	−0.618	0.538	F(10, 78) = 2.36
3. Dietary Restraint	0.017	0.012	1.444	0.153	p = 0.017^*
4. Emotional Eating	0.027	0.014	2.018	0.047
5. External Eating	−0.035	0.015	−2.399	0.019^*
6. BIS	−0.066	0.022	−2.981	0.004^*
7. BAS	−0.011	0.026	−0.416	0.679
8. SPQ	0.003	0.001	2.311	0.023^*
9. SRQ	−0.001	0.001	−0.936	0.352
10. Sex (Male = 1)	0.027	0.017	1.625	0.108
Model 2: Linear regression to predict sensitivity to reward (% choose reward)
	β	SE	t-value	p	Model fit
(Intercept)	1.018	0.186	5.461	> 0.001	Multiple R² = 0.26
1. BMI	−0.009	0.004	−2.584	0.012^*	adjusted R² = 0.16
2. N-Back Accuracy	−0.100	0 138	−0.724	0.471	F(10, 78) = 2.69
3. Dietary Restraint	0.032	0.017	1.918	0.059	p = 0.007**
4. Emotional Eating	0.055	0.019	2.852	0.006^*
5. External Eating	−0.062	0.021	−2.937	0.004^*
6. BIS	−0.068	0.031	−2.184	0.032
7. BAS	0.015	0.037	−0.417	0.678
8. SPQ	0.003	0.002	1.497	0.138
9. SRQ	−0.001	0.002	−0.613	0.542
10. Sex (Male = 1)	0.034	0.024	1.435	0.155
Model 3: Linear regression to predict sensitivity to punishment (% avoid punishment)
	β	SE	t-value	p	Model fit
(Intercept)	0.716	0.187	3.831	> 0.001	Multiple R² = 0.08
1. BMI	−0.001	0.004	−0.201	0.841	adjusted R² = 0.03
2. N-Back Accuracy	−0.020	0.138	−0.146	0.884	F(10, 78) = 0.71
3. Dietary Restraint	0.002	0.017	0.113	0.91	p = 0.71
4. Emotional Eating	0.000	0.019	−0.012	0.99
5. External Eating	−0.009	0.021	−0.438	0.663
6. BIS	−0.063	0.031	−2.005	0.048
7. BAS	−0.006	0.037	−0.168	0.867
8. SPQ	0.003	0.002	1.750	0.084
9. SRQ	−0.001	0.002	−0.701	0.485
10. Sex (Male = 1)	0.020	0.024	0.849	0.399

p-false discovery rate < 0.05, BMI = Body Mass Index, BIS = behavioral inhibition scale, BAS = behavioral activation scale, SPQ = sensitivity to punishment questionnaire, SRQ = sensitivity to reward questionnaire