Construct/ item |
| Mean | SD | Cronbach’s alpha | Cluster 1 (Cost) | Cluster 2 (Quality) | Cluster 3 (Availability) |
CP: Cost Practices | 3.2742 |
| 0.904 |
|
|
| |
| CP1 | 3.9348 | 1.23652 | 0.845 | 0.756 | 0.109 | −0.006 |
| CP2 | 3.4783 | 1.47180 | 0.755 | 0.851 | 0.067 | 0.021 |
| CP3 | 3.5652 | 1.42442 | 0.653 | 0.693 | −0.040 | 0.015 |
| CP4 | 3.2609 | 1.65240 | 0.881 | 0.647 | 0.037 | 0.213 |
| CP5 | 2.3913 | 1.55604 | 0.891 | 0.648 | 0.055 | 0.001 |
| CP6 | 2.5217 | 1.36201 | 0.733 | 0.883 | 0.0143 | −0.052 |
| CP7 | 2.5652 | 1.48552 | 0.866 | 0.687 | 0.026 | 0.102 |
| CP8 | 2.4783 | 1.58800 | 0.821 | 0.651 | 0.132 | 0.154 |
| CP9 | 2.6304 | 1.65138 | 0.666 | 0.759 | 0.003 | 0.204 |
| CP10 | 2.9130 | 1.58921 | 0.823 | 0.634 | 0.249 | 0.008 |
| CP11 | 4.2609 | 1.21901 | 0.799 | 0.749 | 0.079 | −0.069 |
| CP12 | 3.5652 | 1.51514 | 0.855 | 0.845 | 0.009 | 0.091 |
| CP13 | 3.7826 | 1.47442 | 0.869 | 0.768 | 0.188 | 0.270 |
QP: Quality Practices | 3.7891 |
| 0.888 |
| 0.774 |
| |
| QP1 | 4.1522 | 1.28179 | 0.721 | −0.009 | 0.824 | −0.015 |
| QP2 | 3.9348 | 1.27196 | 0.801 | −0.058 | 0.835 | 0.206 |
| QP3 | 4.0000 | 1.19257 | 0.811 | 0.188 | 0.852 | −0.085 |
| QP4 | 3.7174 | 1.40891 | 0.799 | 0.237 | 0.666 | 0.139 |
| QP5 | 3.7826 | 1.34846 | 0.761 | 0.091 | 0.648 | 0.178 |
| QP6 | 3.6304 | 1.40410 | 0.777 | 0.014 | 0.722 | 0.002 |
| QP7 | 3.5870 | 1.42324 | 0.769 | 0.009 | 0.620 | −0.023 |
| QP8 | 3.9783 | 1.34146 | 0.859 | 0.238 | 0.711 | 0.273 |
| QP9 | 3.9348 | 1.35650 | 0.719 | −0.101 | 0.839 | 0.049 |
| QP10 | 3.1739 | 1.53918 | 0.694 | −0.002 | 0.701 | 0.209 |
AP: Availability Practices | 3.7663 |
| 0.866 |
|
|
| |
| AP1 | 3.9565 | 1.33261 | 0.728 | 0.257 | 0.086 | 0.861 |
| AP2 | 3.4348 | 1.52974 | 0.729 | 0.006 | 0.077 | 0.798 |
| AP3 | 3.8913 | 1.46406 | 0.806 | 0.093 | −0.098 | 0.823 |
| AP4 | 3.7826 | 1.38103 | 0.801 | −0.087 | −0.018 | 0.715 |
Eigenvalue | 5.822 | 4.121 | 2.431 | ||||
Percentage of variance explained | 34.0% | 25.5% | 19.1% | ||||
Cumulative percentage of total variance explained | 34.0% | 59.5% | 78.6% |