Hypothesised pathway | Standardised estimate | |||||

Direct effect beta coefficient (SD) | P value | Indirect effect beta coefficient (SD) | P value | Total effect beta coefficient (SD) | P value | |

Structural PU <- PEU | 0.56 (0.11) | <0.001* | 0.56 (0.11) | <0.001* | ||

PU <- Intervention effect | 0.33 (0.11) | 0.003* | 0.33 (0.11) | 0.003* | ||

PEU <- Intervention effect | 0.60 (0.18) | 0.001* | 0.60 (18) | 0.001* | ||

IU <- PU | 1.23 (0.21) | <0.001* | 1.23 (0.21) | <0.001* | ||

IU <- PEU | 0.23 (0.14) | 0.11 | 0.69 (0.14) | <0.001* | 0.92 (0.15) | <0.001* |

IU <- Intervention effect | −0.03 (0.16) | 0.87 | 0.53 (0.17) | 0.002* | 0.50 (0.21) | 0.02* |

Goodnessof fit results R

^{2}: R-squared = 0.145; standardised root mean squaredresidual = 0.048, root mean square error of approximation = 0.074, CFI = 0.975,TLI = 0.965.CFI, Comparative Fit Index; IU, intention of use; PEU, perceived ease of use; PU, perceived usefulness; TLI, Tucker-Lewis Index.