Effects of six month personalized endurance training on work ability in middle-aged sedentary women: a secondary analysis of a randomized controlled trial

Table 4 Mean differences at baseline and after 6 months in anthropometrics, cardiorespiratory fitness and the results of the questionnaires in the EG

Parameter	WAI 1 (n = 47)	WAI 2 (n = 64)	WAI 3 (n = 18)	p-value
ΔBody weight (kg)	−1.2 ± 3.4	−0.3 ± 2.7	−1.0 ± 2.3	0.238
ΔBody mass index (kg/m²)	− 0.3 ± 1.2	0.0 ± 1.2	− 0.3 ± 0.8	0.285
ΔBody fat percentage (%)	−0.5 ± 2.9	−0.4 ± 3.3	− 1.7 ± 1.8	0.155
ΔRelative VO_2peak (ml/min/kg)	2.0 ± 3.3	1.9 ± 2.9	1.9 ± 3.6	0.982
ΔRelative Workload_max (W/kg)	0.18 ± 0.20	0.20 ± 0.22	0.20 ± 0.32	0.785
Work ability items
ΔWAI total (points)	3.6 ± 4.7^a,b	0.2 ± 3.2 ^a	0.1 ± 1.7^b	< 0.001
ΔWAI item 1 (points)	1.0 ± 1.7^a,b	0.1 ± 1.5^a	−0.1 ± 1.1^b	< 0.001
ΔWAI item 2 (points)	0.8 ± 1.5^a	0.1 ± 1.0^a	0.5 ± 1.2	0.030
ΔWAI item 3 (points)	− 0.7 ± 1.6^b	−0.2 ± 1.2	0.2 ± 0.6^b	0.014
ΔWAI item 4 (points)	0.2 ± 0.9^a	−0.2 ± 0.6^a	0.0 ± 0.0	0.015
ΔWAI item 5 (points)	0.1 ± 1.0	0.0 ± 0.8	0.0 ± 0.6	0.952
ΔWAI item 6 (points)	0.1 ± 1.2	−0.1 ± 0.5	0.0 ± 0.0	0.588
ΔWAI item 7 (points)	0.4 ± 0.8	0.0 ± 0.7	0.1 ± 0.4	0.042

Boldp < 0.05 baseline vs 6 months, ^ap < 0.05 WAI 1 vs WAI 2, ^bp < 0.05 WAI 1 vs WAI 3. VO_2peak Peak oxygen uptake, WAI Work Ability Index

ISSN: 1745-6673