Inter-item correlations: | |||||||||||
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*Figures in parentheses correspond to item numbers of the measure (appendix, available to view on the journal web site http://www.jech.com/supplemental). | |||||||||||
†An item-total correlation is the correlation of the individual item with the scale total omitting that item. | |||||||||||
q1 (1)* | 1.0 | ||||||||||
q2 | 0.7924 | 1.0 | |||||||||
q4a | 0.4792 | 0.4636 | 1.0 | ||||||||
q4b (2) | 0.4998 | 0.4228 | 0.7811 | 1.0 | |||||||
q4c | 0.5268 | 0.4858 | 0.7503 | 0.7481 | 1.0 | ||||||
q4d | 0.4328 | 0.4164 | 0.7458 | 0.7064 | 0.8317 | 1.0 | |||||
q5 (3) | 0.6080 | 0.5808 | 0.7172 | 0.7453 | 0.6815 | 0.6633 | 1.0 | ||||
q6 (4) | 0.5170 | 0.4688 | 0.7317 | 0.8140 | 0.6870 | 0.6859 | 0.8137 | 1.0 | |||
q7 (5) | 0.5292 | 0.4955 | 0.7225 | 0.7592 | 0.7285 | 0.6670 | 0.8042 | 0.7645 | 1.0 | ||
q8 | 0.4807 | 0.4395 | 0.7025 | 0.6934 | 0.6784 | 0.6303 | 0.6976 | 0.7259 | 0.7824 | 1.0 | |
q9 (6) | 0.4134 | 0.3790 | 0.5125 | 0.5351 | 0.4773 | 0.4646 | 0.6241 | 0.5464 | 0.5564 | 0.5446 | 1.0 |
q1(1) | q2 | q4a | q4b(2) | q4c | q4d | q5(3) | q6(4) | q7(5) | q8 | q9(6) | |
Item-totals† | 0.6369 | 0.5915 | 0.8210 | 0.8354 | 0.8157 | 0.7716 | 0.8641 | 0.8429 | 0.8498 | 0.7892 | 0.6165 |