Model parameters, validity and quality tests
| a. Estimation of the measurement model parameters | ||||||
|---|---|---|---|---|---|---|
| Construct | Item | Mean | SD | Loading | CR | AVE |
| Supply chain cyber risk management strategies (SCCRMS) | RiskStra-1 | 3.879 | 0.949 | 0.800 | 0.829 | 0.494 |
| RiskStra-2 | 3.941 | 1.002 | 0.666 | |||
| RiskStra-3 | 3.938 | 0.993 | 0.625 | |||
| RiskStra-4 | 3.987 | 0.986 | 0.685 | |||
| RiskStra-5 | 4.083 | 0.890 | 0.726 | |||
| Internal cyber integration (ICI) | IntInteg-1 | 3.814 | 1.019 | 0.797 | 0.881 | 0.596 |
| IntInteg-2 | 3.657 | 1.069 | 0.781 | |||
| IntInteg-3 | 3.769 | 1.075 | 0.766 | |||
| IntInteg-4 | 3.747 | 1.127 | 0.735 | |||
| IntInteg-5 | 3.778 | 1.071 | 0.779 | |||
| Supplier cyber integration (SCI) | SupInteg-1 | 3.604 | 1.082 | 0.792 | 0.884 | 0.604 |
| SupInteg-2 | 3.593 | 1.172 | 0.767 | |||
| SupInteg-3 | 3.548 | 1.121 | 0.761 | |||
| SupInteg-4 | 3.414 | 1.230 | 0.768 | |||
| SupInteg-5 | 3.618 | 1.156 | 0.798 | |||
| Customer cyber integration (CCI) | CustInteg-1 | 3.648 | 1.084 | 0.794 | 0.881 | 0.596 |
| CustInteg-2 | 3.598 | 1.106 | 0.725 | |||
| CustInteg-3 | 3.510 | 1.191 | 0.765 | |||
| CustInteg-4 | 3.461 | 1.251 | 0.777 | |||
| CustInteg-5 | 3.593 | 1.136 | 0.798 | |||
| Supply chain cyber resilience (SCCRe) | CyResil-1 | 3.995 | 0.831 | 0.763 | 0.805 | 0.580 |
| CyResil-2 | 3.828 | 0.906 | 0.786 | |||
| CyResil-3 | 3.898 | 0.957 | 0.734 | |||
| Supply chain cyber robustness (SCCRo) | CyRobust-1 | 3.862 | 0.930 | 0.778 | 0.778 | 0.540 |
| CyRobust-2 | 3.953 | 0.878 | 0.658 | |||
| CyRobust-3 | 4.003 | 0.921 | 0.763 | |||
| a. Estimation of the measurement model parameters | ||||||
|---|---|---|---|---|---|---|
| Construct | Item | Mean | SD | Loading | CR | AVE |
| Supply chain cyber risk management strategies (SCCRMS) | RiskStra-1 | 3.879 | 0.949 | 0.800 | 0.829 | 0.494 |
| RiskStra-2 | 3.941 | 1.002 | 0.666 | |||
| RiskStra-3 | 3.938 | 0.993 | 0.625 | |||
| RiskStra-4 | 3.987 | 0.986 | 0.685 | |||
| RiskStra-5 | 4.083 | 0.890 | 0.726 | |||
| Internal cyber integration (ICI) | IntInteg-1 | 3.814 | 1.019 | 0.797 | 0.881 | 0.596 |
| IntInteg-2 | 3.657 | 1.069 | 0.781 | |||
| IntInteg-3 | 3.769 | 1.075 | 0.766 | |||
| IntInteg-4 | 3.747 | 1.127 | 0.735 | |||
| IntInteg-5 | 3.778 | 1.071 | 0.779 | |||
| Supplier cyber integration (SCI) | SupInteg-1 | 3.604 | 1.082 | 0.792 | 0.884 | 0.604 |
| SupInteg-2 | 3.593 | 1.172 | 0.767 | |||
| SupInteg-3 | 3.548 | 1.121 | 0.761 | |||
| SupInteg-4 | 3.414 | 1.230 | 0.768 | |||
| SupInteg-5 | 3.618 | 1.156 | 0.798 | |||
| Customer cyber integration (CCI) | CustInteg-1 | 3.648 | 1.084 | 0.794 | 0.881 | 0.596 |
| CustInteg-2 | 3.598 | 1.106 | 0.725 | |||
| CustInteg-3 | 3.510 | 1.191 | 0.765 | |||
| CustInteg-4 | 3.461 | 1.251 | 0.777 | |||
| CustInteg-5 | 3.593 | 1.136 | 0.798 | |||
| Supply chain cyber resilience (SCCRe) | CyResil-1 | 3.995 | 0.831 | 0.763 | 0.805 | 0.580 |
| CyResil-2 | 3.828 | 0.906 | 0.786 | |||
| CyResil-3 | 3.898 | 0.957 | 0.734 | |||
| Supply chain cyber robustness (SCCRo) | CyRobust-1 | 3.862 | 0.930 | 0.778 | 0.778 | 0.540 |
| CyRobust-2 | 3.953 | 0.878 | 0.658 | |||
| CyRobust-3 | 4.003 | 0.921 | 0.763 | |||
| b. Discriminant validity of constructs | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SCCRMS | ICI | SCI | CCI | SCCRe | SCCRo | Size | Ind-Nutr | Ind-Infra | Ind-Elec | Ind-Enrg | |
| SCCRMS | 0.703 | 0.632 | 0.496 | 0.435 | 0.746 | 0.718 | 0.239 | 0.104 | 0.121 | 0.182 | 0.067 |
| ICI | 0.502 | 0.772 | 0.758 | 0.743 | 0.692 | 0.666 | 0.222 | 0.073 | 0.094 | 0.124 | 0.053 |
| SCI | 0.400 | 0.633 | 0.777 | 0.890 | 0.589 | 0.563 | 0.170 | 0.070 | 0.128 | 0.147 | 0.040 |
| CCI | 0.348 | 0.618 | 0.741 | 0.772 | 0.639 | 0.717 | 0.151 | 0.045 | 0.158 | 0.118 | 0.081 |
| SCCRe | 0.518 | 0.504 | 0.433 | 0.466 | 0.761 | 0.887 | 0.073 | 0.122 | 0.016 | 0.151 | 0.078 |
| SCCRo | 0.468 | 0.463 | 0.392 | 0.500 | 0.538 | 0.735 | 0.118 | 0.067 | 0.094 | 0.067 | 0.083 |
| Size | 0.207 | 0.200 | 0.158 | 0.137 | 0.058 | 0.084 | 1.000 | 0.145 | 0.060 | 0.026 | 0.001 |
| Ind-Nutr | −0.077 | −0.065 | −0.061 | −0.024 | −0.076 | 0.036 | 0.145 | 1.000 | 0.284 | 0.226 | 0.214 |
| Ind-Infra | 0.097 | −0.087 | −0.115 | −0.143 | −0.002 | −0.066 | −0.060 | −0.284 | 1.000 | 0.213 | 0.201 |
| Ind-Elec | 0.154 | 0.112 | 0.136 | 0.107 | 0.120 | 0.051 | 0.026 | −0.226 | −0.213 | 1.000 | 0.160 |
| Ind-Enrg | 0.054 | 0.049 | −0.021 | −0.044 | 0.032 | 0.004 | −0.001 | −0.214 | −0.201 | −0.160 | 1.000 |
| Note(s): Diagonal values: square roots of AVE; below diagonal values: correlations; above diagonal values: HTMT | |||||||||||
| b. Discriminant validity of constructs | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SCCRMS | ICI | SCI | CCI | SCCRe | SCCRo | Size | Ind-Nutr | Ind-Infra | Ind-Elec | Ind-Enrg | |
| SCCRMS | 0.632 | 0.496 | 0.435 | 0.746 | 0.718 | 0.239 | 0.104 | 0.121 | 0.182 | 0.067 | |
| ICI | 0.502 | 0.758 | 0.743 | 0.692 | 0.666 | 0.222 | 0.073 | 0.094 | 0.124 | 0.053 | |
| SCI | 0.400 | 0.633 | 0.890 | 0.589 | 0.563 | 0.170 | 0.070 | 0.128 | 0.147 | 0.040 | |
| CCI | 0.348 | 0.618 | 0.741 | 0.639 | 0.717 | 0.151 | 0.045 | 0.158 | 0.118 | 0.081 | |
| SCCRe | 0.518 | 0.504 | 0.433 | 0.466 | 0.887 | 0.073 | 0.122 | 0.016 | 0.151 | 0.078 | |
| SCCRo | 0.468 | 0.463 | 0.392 | 0.500 | 0.538 | 0.118 | 0.067 | 0.094 | 0.067 | 0.083 | |
| Size | 0.207 | 0.200 | 0.158 | 0.137 | 0.058 | 0.084 | 0.145 | 0.060 | 0.026 | 0.001 | |
| Ind-Nutr | −0.077 | −0.065 | −0.061 | −0.024 | −0.076 | 0.036 | 0.145 | 0.284 | 0.226 | 0.214 | |
| Ind-Infra | 0.097 | −0.087 | −0.115 | −0.143 | −0.002 | −0.066 | −0.060 | −0.284 | 0.213 | 0.201 | |
| Ind-Elec | 0.154 | 0.112 | 0.136 | 0.107 | 0.120 | 0.051 | 0.026 | −0.226 | −0.213 | 0.160 | |
| Ind-Enrg | 0.054 | 0.049 | −0.021 | −0.044 | 0.032 | 0.004 | −0.001 | −0.214 | −0.201 | −0.160 | |
| Note(s): Diagonal values: square roots of AVE; below diagonal values: correlations; above diagonal values: HTMT | |||||||||||
| c. Quality of the structural model | ||||||
|---|---|---|---|---|---|---|
| SCCRMS | ICI | SCI | CCI | SCCRe | SCCRo | |
| R2 | – | 0.252 | 0.410 | 0.384 | 0.309 | 0.295 |
| Q2 | – | 0.238 | 0.144 | 0.107 | 0.161 | 0.134 |
| c. Quality of the structural model | ||||||
|---|---|---|---|---|---|---|
| SCCRMS | ICI | SCI | CCI | SCCRe | SCCRo | |
| – | 0.252 | 0.410 | 0.384 | 0.309 | 0.295 | |
| – | 0.238 | 0.144 | 0.107 | 0.161 | 0.134 | |
Source(s): Created by authors
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