Variable* β (SE)# P White bread§ 1.26 (0.11) 0.007 Jam¶ 1.90 (0.35) <0.001 Nutella¶ 1.34 (0.25) 0.11 *Jam (n=42), Cheese (n=36), Nutella (n=42), overall (n=120) #Back-transformed from natural log data §Whole grain was the reference bread ¶Cheese was the reference filling

Table 3: Multivariate mixed model analysis of the effect of sandwich type on blood glucose incremental area under the curve (mmol/L/min).