Table 4.

Effects of physical training on quality of life considering different moderating variables.

Independent variables	SMD	SE	95% CI	p	I2(%)	df	Q value and (p) between groups
DURATION OF INTERVENTION
4–8 weeks	−0.64	0.38	−1.38 to 0.10	0.088	70.83*	2	20.59 (p<0.001)
12 weeks	−1.41	0.41	−2.20 to−0.61	0.001	95.53**	12
16 weeks	−0.61	0.31	−1.22 to 0.00	0.050	85.47**	4
5–6 months	−0.23	0.15	−0.52 to 0.07	0.132	62.40*	8
1 year	0.11	0.10	−0.08 to 0.30	0.251	0.00	3
WEEKLY FREQUENCY
1	0.11	0.17	−0.21 to 0.44	0.498	20.40	1	13.89 (0.003)
2–3	−0.56	0.43	−1.40 to 0.28	0.194	92.62**	3
3–4	−0.98	0.26	−1.49 to−0.48	<0.001	93.54**	20
5	−0.13	0.10	−0.33 to 0.08	0.224	15.97	5
DURATION OF SINGLE SESSION
20–30 min	−0.31	0.19	−0.68 to 0.06	0.105	87.48**	14	6.19 (0.045)
31–45 min	−1.57	0.49	−2.53 to−0.60	0.001	96.72	7
46–65 min	−0.68	0.25	−1.18 to−0.18	0.007	83.90**	8

SMD, standardized mean difference; SE, standard error; CI, confidence interval; p, significance value; I², heterogeneity index; df, degrees of freedom. Bold values indicate statistically significant values.

^*p < 0.05;

^**p < 0.01.