Effect of frequent interruptions of prolonged sitting on self-perceived levels of energy, mood, food cravings and cognitive function

Table 3 POMS Fatigue and Vigor subscales and overall scores, food craving questionnaire and urinary hormone concentrations

Study outcomes		SIT	ONE	MICRO
Fatigue	Overall Morning	4.0 ± 3.7	4.4 ± 4.0	3.7 ± 4.2
	Overall Afternoon	4.4 ± 3.8	3.0 ± 2.9	2.3 ± 2.8^a
	Worn Out	0.7 ± 0.7	0.6 ± 0.6	0.4 ± 0.6
	Listless	0.6 ± 0.6	0.3 ± 0.5	0.3 ± 0.6
	Fatigued	0.8 ± 0.7	0.7 ± 0.8	0.3 ± 0.6^a
	Exhausted	0.5 ± 0.6	0.4 ± 0.6	0.2 ± 0.4
	Sluggish	1.0 ± 0.8	0.6 ± 0.6	0.5 ± 0.5^a
	Weary	0.6 ± 0.7	0.4 ± 0.6	0.3 ± 0.5^a
	Bushed	0.5 ± 0.7	0.3 ± 0.5	0.2 ± 0.6^a
Vigor	Overall Morning	8.5 ± 3.9	9.1 ± 4.7	9.0 ± 4.6
	Overall Afternoon	8.0 ± 4.0	10.1 ± 4.1^b	10.8 ± 4.3^a
	Lively	1.2 ± 0.8	1.2 ± 0.7	1.5 ± 0.7
	Active	0.7 ± 0.8	1.0 ± 0.7	1.4 ± 0.7^a
	Energetic	0.9 ± 0.8	1.2 ± 0.7	1.2 ± 0.7
	Cheerful	1.5 ± 0.7	1.8 ± 0.6	1.8 ± 0.6^a
	Alert	1.3 ± 0.8	1.5 ± 0.6	1.7 ± 0.5^a
	Full of Pep	0.6 ± 0.6	0.9 ± 0.7^b	1.0 ± 0.7^a
	Carefree	1.3 ± 0.7	1.5 ± 0.7	1.3 ± 0.8
	Vigorous	0.4 ± 0.6	0.4 ± 0.7	1.0 ± 0.7^a
FCQ	Breakfast	47 ± 10	44 ± 10^b	44 ± 9^a
	Lunch	45 ± 12	44 ± 11	42 ± 9^a
	Snack	40 ± 10	39 ± 9	38 ± 8
Urinary hormone concentrations	Norepinephrine (μg/g)	34.1 ± 10.6	37.5 ± 10.6	39.3 ± 11.3
	Epinephrine (μg/g)	6.5 ± 2.8	6.7 ± 3.7	8.0 ± 4.8
	Cortisol (μg/L)	9.2 ± 4.1	8.3 ± 7.3	8.4 ± 4.0
	Dopamine (μg/g)	180.8 ± 53.3	172.7 ± 47.6	186.4 ± 62.1

Mean +/- SD, ^a P < 0.05 SIT versus MICRO, ^b P < 0.05 SIT versus ONE
SIT uninterrupted sitting condition, ONE, uninterrupted sitting plus one continuous 30-min bout of moderate intensity treadmill walking, MICRO, uninterrupted sitting plus six 5-min bouts of moderate intensity treadmill walking, performed every hour for 6 h

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