Table 4. Pre- and post-intervention differences for the 8 subtests of the SF-36v2™ in each period.

	Pre- intervention at baseline			Post- intervention			Difference pre-and post -intervention
	IVG period (n = 8)	CON period(n = 7)	Mann-Whitney -U (P-value)	IVG period (n = 8)	CON period(n = 7)	Mann-Whitney -U (P-value)	IVG period Wilcoxon signed-rank test(P-value)	CON periodWilcoxon signed-rank test(P-value)	Mann-Whitney -U (P-value)	Effect size (r)
PF (physical functioning)	46.33(27.85–55.13)	51.61(29.61–55.13)	0.795	51.61(37.53–58.66)	55.13(44.57–58.66)	0.814	0.027	1.000	0.243	0.30
PR (physical role functioning)	37.49(32.37–54.54)	37.49(30.67–51.98)	0.931	46.01(28.96–52.83)	46.01(42.69–52.83)	0.643	0.399	0.593	0.195	0.34
BP (bodily pain)	48.59(34.65–59.65)	52.13(38.96–59.65)	0.549	49.03(45.49–61.42)	61.42(52.57–61.42)	0.272	0.138	0.593	0.041	0.47
GH (general health perceptions)	46.19(39.97–50.92)	53.76(48.89–63.49)	0.109	46.19(42.41–54.30)	48.89(46.19–54.30)	0565	0.248	0.593	0.437	0.20
VT (vitality)	50.24(41.79–53.32)	54.86(51.01–65.62)	0.154	53.32(47.17–65.62)	56.40(56.40–62.55)	0.419	0.115	0.655	0.692	0.10
SF (social role functioning)	43.94(39.91–53.80)	57.10(27.50–57.10)	0.369	43.94(43.94–50.52)	57.10(57.10–57.10)	0.031	0.450	1.000	0.025	0.58
RE (emotional role functioning)	41.69(36.37–55.50)	50.19(27.75–55.50)	0.797	52.31(43.81–56.56)	43.81(35.31–52.31)	0.295	0.072	0.285	0.034	0.55
MH (mental health)	45.13(41.14–51.11)	54.43(45.79–63.07)	0.088	43.80(43.80–54.43)	54.43(49.11–54.43)	0.232	0.340	0.414	0.241	0.30

Notes: Data are presented as the median (interquartile range). CON, control; IVG, interactive sports video game https://figshare.com/s/251ab69e9c548bfa4667