Table 3.

Body composition results of bioimpedance analysis before and after Nordic Walking training (mean ± SD).

Dose	High-Intensity Interval Training					Moderate-Intensity Continues Training
	Before		After		Cohen’s d	Before		After		Cohen’s d
	Mean ± SD	95% CI	Mean ± SD	95% CI		Mean ± SD	95% CI	Mean ± SD	95% CI
Body Mass (kg)
LD	67.78 ± 4.52	58.84–76.71	67.41 ± 11.79	57.56–77.27	0.04	73.47 ± 14.17	64.46–82.47	72.47 ± 14.58	63.21–81.73	0.06
HD	65.73 ± 4.51	60.99–70.47	65.63 ± 5.40	59.97–71.30	0.02	70.09 ± 10.16	63.95–76.24	70.60 ± 10.21	64.43–76.77	0.05
Fat Mass (%)
LD	32.44 ± 5.42	27.91–36.97	32.23 ± 6.09	27.13–37.32	0.04	39.45 ± 7.36	34.77–44.12	39.79 ± 7.93	34.75–44.83	0.04
HD	30.14 ± 6.38	23.44–36.83	30.52 ± 7.19	22.97–38.07	0.06	36.83 ± 5.88	33.28–40.38	35.59 ± 6.22	31.83–39.35	0.20
Mineral Mass (kg)
LD	3.21 ± 0.31	2.95–3.47	3.22 ± 0.35	2.92–3.51	0.03	3.05 ± 0.51	2.73–3.38	2.98 ± 0.35	2.76–3.20	0.16
HD	3.19 ± 0.29	2.88–3.50	3.20 ± 0.13	2.87–3.54	0.04	3.15 ± 0.28	2.98–3.33	3.24 ± 0.26	3.09–3.41	0.33
Skeletal Muscle Mass (kg)
LD	24.67 ± 2.73	22.38–26.95	24.72 ± 3.13	22.11–27.33	0.02	23.82 ± 4.17	21.17–26.47	23.28 ± 3.32	21.17–25.39	0.14
HD	24.86 ± 2.47	22.27–27.44	24.89 ± 3.19	21.55–28.24	0.01	23.65 ± 2.16	22.34–24.95	24.69 ± 2.30	23.29–26.08	0.47
Arm Lean Mass (kg)
LD	2.33 ± 0.37	2.02–2.64	2.35 ± 0.39	2.03–2.68	0.05	2.35 ± 0.55	1.99–2.69	2.29 ± 0.47	1.99–2.59	0.11
HD	2.34 ± 0.25	2.08–2.59	2.34 ± 0.37	1.95–2.73	0.01	2.26 ± 0.27	2.09–2.43	2.37 ± 0.32	2.17–2.56	0.27
Leg Lean Mass (kg)
LD	6.94 ± 0.90	6.18–7.69	6.87 ± 0.99	6.04–7.69	0.07	6.65 ± 1.21	5.87–7.41	6.46 ± 0.97	5.84–7.07	0.17
HD	7.05 ± 0.88	6.13–7.97	7.06 ± 1.07	5.94–8.19	0.01	6.66 ± 0.81	6.17–7.15	6.95 ± 0.73 *	6.51–7.39	0.38

LD: Vitamin D₃ dose of 800 IU/day, HD: Vitamin D₃ dose of 4000 IU/day; * significant difference before and after particular training at p < 0.025.