Table 4 Unstandardized Regression Coefficients, Standard Errors (with HC3 correction), t- and p-values, and Model Summary for Serial Multiple Mediator Model for exercise behaviours, depicted in Fig. 1
| Â | Consequent | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | M1 (self-esteem 12Â m) | M2 (SE exercise 24Â m) | Y (Physical activity 24Â m) | ||||||||||||
Antecedent | Â | Coeff. | SE | t | p | Â | Coeff. | SE | t | p | Â | Coeff. | SE | t | p |
X (AS anxiety) | a1 | -0.19 | 0.03 | -6.17 | 0.000 | a2 | -0.00 | 0.04 | -0.05 | 0.963 | c’ | 2.09 | 1.05 | 1.99 | 0.048 |
M1 (Self-esteem 12Â m) | Â | Â | Â | Â | Â | d21 | 0.28 | 0.07 | 4.12 | 0.000 | b1 | 0.77 | 2.11 | 0.36 | 0.716 |
M2 (SE exercise 24Â m) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | b2 | 9.56 | 1.41 | 6.80 | 0.000 |
Cov (AS avoidance) | C1 | -0.12 | 0.04 | -2.82 | 0.005 | C2 | 0.03 | 0.04 | 0.78 | 0.434 |  C’3 | -1.45 | 1.16 | -1.25 | 0.213 |
CONSTANT | iM1 | 29.79 | 0.83 | 36.10 | 0.000 | iM2 | 27.58 | 2.32 | 11.86 | 0.000 | iY | -163.42 | 83.65 | -1.95 | 0.052 |
|  |  | R2 = 0.27 | R2 = 0.06 |  | R2 = 0.13 | ||||||||||
|  |  |  F(2, 260) = 38.42, p = .000 |  F(3, 259) = 7.75, p = .001 |  |  F(4, 258) = 12.41, p = .000 | ||||||||||