Table 2.

Biochemical values for each condition

	High GI breakfast + uninterrupted sitting	Low GI breakfast + uninterrupted sitting	High GI breakfast + activity breaks	Low GI breakfast + activity breaks	P value for main effect of sitting	P value for main effect of breakfast GI	P value for sitting × breakfast GI interaction
Fasting blood glucose (mmol/L)	4.38 (4.22, 4.53)	4.37 (4.22, 4.52)	4.39 (4.23, 4.54)	4.31 (4.16, 4.46)	0.735	0.535	0.625
Fasting plasma insulin (μU/mL)	7.38 (5.80, 8.97)	8.76 (7.17, 10.35)	8.55 (6.96, 10.14)	6.76 (5.17, 8.35)	0.531	0.750	0.020
Positive iAUC for blood glucose (mmol/L 4 h)	2.88 (2.49, 3.28)	2.25 (1.85, 2.64)	2.13 (1.74, 2.53)	2.01 (1.61, 2.40)	0.004	0.022	0.119
Positive iAUC for plasma insulin (μU/mL 4 h)	60.31 (48.61, 72.01)	55.05 (43.26, 66.84)	58.09 (46.36, 69.83)	52.03 (40.18, 63.89)	0.554	0.203	0.932
Total AUC for blood glucose (mmol/L 4 h)	20.25 (19.83, 20.68)	19.28 (18.85, 19.70)	19.51 (19.08, 19.94)	18.80 (18.38, 19.22)	0.001	<0.001	0.440
Total AUC for plasma insulin (μU/mL 4 h)	88.56 (76.62, 100.51)	83.45 (71.41, 95.48)	88.02 (76.04, 100.00)	79.78 (67.67, 91.87)	0.639	0.141	0.741

Data presented as mean (95% CI)

GI glycaemic index, iAUC incremental area under the curve, AUC area under the curve