Low-volume high-intensity interval training improves cardiometabolic health, work ability and well-being in severely obese individuals: a randomized-controlled trial sub-study

Table 6 Self-reported variables before and after the intervention

Variable	HIIT group (n = 30)		Control group (n = 19)		Friedman test P-value
Variable	Baseline	Post	Baseline	Post	Friedman test P-value
Work ability Index	34.6 ± 6.8	37.6 ± 7.3^***+	36.9 ± 4.7	34.9 ± 6.5	0.018
EQ-5D-5L (index)	0.87 ± 0.14	0.90 ± 0.15^*	0.88 ± 0.12	0.85 ± 0.21	0.048
EQ (VAS)	67 ± 14	77 ± 17^***	63 ± 22	67 ± 27	< 0.001
PSQ-worries	33.8 ± 24.1	27.8 ± 23.0	25.6 ± 17.9	24.8 ± 15.6	0.206
PSQ-tension	45.8 ± 26.9	38.2 ± 24.8	37.9 ± 27.9	38.2 ± 26.4	0.160
PSQ-joy	55.8 ± 24.3	63.1 ± 24.0	62.5 ± 25.7	61.1 ± 23.1	0.078
PSQ-demands	45.2 ± 22.8	47.6 ± 21.9	41.8 ± 23.8	37.2 ± 23.2	0.631
PSQ-total	42.3 ± 21.3	37.6 ± 20.3	35.7 ± 20.6	34.9 ± 18.7	0.189

HIIT High-intensity interval training group, CON control group; VAS visual analogue scale, PSQ Perceived Stress Questionnaire
* P < 0.05, *** P < 0.001 significant within-group difference between baseline and post-intervention
⁺P < 0.05 significant difference between groups

ISSN: 1479-5876