Table 2. Relevant multiple regression results including R2, standardized regression coefficient and associated t, P values for control and low back pain (LBP) groups after the first and second exercise sets.
Group
R2
Standardized Regression coefficient (b)
t
P-value
First Set
Control
0.18
0.43 *
2.22
0.04
LBP history
0.22
0.46 †
2.45
0.02
Second Set
Control
0.07
‡
‡
‡
LBP history
0.21
0.46 §
2.37
0.03
*Standardized regression coefficient for ∆Q
† Standardized regression coefficient for ∆
‡ No predictor significantly explained variance in QI