Table 4.

Comparison of (mean change of) clinical outcome variables (PI, SAME and SBEE) between participants in GAG and GAMWG at weeks 4, 8 and 12 of the study

Variable	Time Frame	GAG (n=26)	GAMWG (n=25)	Effect size (95% CI)	p-value
		Mean (SD)	Mean (SD)
PI (cm)	Week 4	-0.81(0.03)	-0.83(0.06)	0.5(0.42 to 0.58)	0.08
	Week 8	-1.71(0.06)	-1.71(0.09)	0.04(-0.04, 0.12)	0.99
	Week 12	-1.48(0.09)	-1.53(0.12)	0.47(0.39 to 0.55)	0.09
SAME (sec)	Week 4	6.6(0.15)	6.6(0.09)	-0.06(-0.14 to 0.02)	0.83
	Week 8	7.0(0.16)	7.0(0.10)	-0.95(-1.02 to 0.87)	0.58
	Week 12	5.2(0.05)	5.2(0.0)	90.45(-0.53 to -0.37)	0.12
SBEE (sec)	Week 4	2.4(0.08)	2.4(0.10)	0.12(0.04 to 0.2)	0.67
	Week 8	7.2(0.10)	7.3(0.10)	-0.95(-1.02 to -0.87)	0.00*
	Week 12	4.5(0.06)	4.5(0.08)	0.43(0.35 to 0.51)	0.13

GAG - Graded Activity Group, GAMWG - Graded Activity Protocol with daily Monitored Walking Group, SD - Standard Deviation, SAME - Static Abdominal Musculature Endurance, SBEE - Static Back Extensors Endurance

^*Indicates significance at α=0.05