Table 2.
Spearman’s Rho Matrix of Items From PCS, Posttraumatic Stress, and Depression Measures (N = 1229)
| Item | M | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 13 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||||||||||||||||||
| 1. PCS1 | 1.51 | 1.40 | 1 | ||||||||||||||||||||||||||||
| 2. PCS2 | 1.27 | 1.32 | .463 | 1 | |||||||||||||||||||||||||||
| 3. PCS3 | 1.07 | 1.24 | .350 | .626 | 1 | ||||||||||||||||||||||||||
| 4. PCS4 | 1.64 | 1.31 | .327 | .415 | .420 | 1 | |||||||||||||||||||||||||
| 5. PCS5 | 1.95 | 1.23 | .317 | .371 | .359 | .548 | 1 | ||||||||||||||||||||||||
| 6. PCS6 | 1.70 | 1.26 | .333 | .451 | .432 | .726 | .659 | 1 | |||||||||||||||||||||||
| 7. PCS7 | 2.31 | 1.34 | .305 | .363 | .375 | .463 | .517 | .538 | 1 | ||||||||||||||||||||||
| 8. PCS8 | 1.47 | 1.25 | .318 | .427 | .476 | .485 | .426 | .507 | .409 | 1 | |||||||||||||||||||||
| 9. PCS9 | 0.95 | 1.11 | .353 | .470 | .532 | .485 | .411 | .488 | .366 | .475 | 1 | ||||||||||||||||||||
| 10. PCS10 | 2.04 | 1.17 | .269 | .356 | .370 | .483 | .527 | .583 | .548 | .418 | .411 | 1 | |||||||||||||||||||
| 1. DEP1 | 0.88 | 1.07 | .123 | .244 | .219 | .300 | .408 | .373 | .332 | .204 | .272 | .407 | 1 | ||||||||||||||||||
| 2. DEP2 | 0.91 | 1.13 | .111 | .235 | .221 | .307 | .418 | .388 | .321 | .204 | .268 | .388 | .789 | 1 | |||||||||||||||||
| 3. DEP3 | 0.85 | 1.13 | .142 | .244 | .280 | .327 | .411 | .403 | .331 | .245 | .302 | .440 | .699 | .716 | 1 | ||||||||||||||||
| 4. DEP4 | 0.54 | 0.98 | .080 | .189 | .191 | .222 | .308 | .322 | .257 | .154 | .223 | .342 | .647 | .663 | .624 | 1 | |||||||||||||||
| 1. PTS1 | 0.82 | 1.06 | .273 | .337 | .255 | .321 | .374 | .358 | .381 | .268 | .271 | .282 | .364 | .329 | .326 | .284 | 1 | ||||||||||||||
| 2. PTS2 | 0.74 | 1.05 | .256 | .317 | .252 | .310 | .365 | .348 | .389 | .286 | .264 | .268 | .305 | .274 | .285 | .229 | .796 | 1 | |||||||||||||
| 3. PTS3 | 0.51 | 0.92 | .267 | .335 | .289 | .357 | .391 | .395 | .376 | .320 | .313 | .285 | .311 | .275 | .317 | .272 | .665 | .660 | 1 | ||||||||||||
| 4. PTS4 | 0.66 | 0.98 | .254 | .311 | .267 | .325 | .400 | .378 | .351 | .280 | .274 | .304 | .379 | .359 | .345 | .316 | .700 | .623 | .650 | 1 | |||||||||||
| 5. PTS5 | 0.62 | 0.98 | .285 | .349 | .302 | .346 | .397 | .386 | .371 | .294 | .294 | .313 | .331 | .336 | .332 | .307 | .644 | .620 | .676 | .677 | 1 | ||||||||||
| 6. PTS6 | 0.66 | 1.05 | .194 | .307 | .261 | .266 | .316 | .306 | .325 | .228 | .272 | .291 | .356 | .345 | .338 | .304 | .624 | .583 | .546 | .614 | .580 | 1 | |||||||||
| 7. PTS7 | 0.48 | 0.93 | .201 | .335 | .286 | .290 | .321 | .338 | .325 | .257 | .290 | .286 | .345 | .347 | .342 | .327 | .586 | .558 | .575 | .619 | .598 | .735 | 1 | ||||||||
| 8. PTS8 | 0.43 | 0.85 | .204 | .315 | .299 | .374 | .330 | .353 | .305 | .305 | .294 | .285 | .314 | .305 | .321 | .251 | .502 | .486 | .498 | .505 | .522 | .588 | .593 | 1 | |||||||
| 9. PTS9 | 0.40 | 0.89 | .170 | .262 | .237 | .289 | .326 | .312 | .274 | .211 | .249 | .297 | .419 | .427 | .391 | .399 | .417 | .360 | .418 | .432 | .447 | .463 | .490 | .471 | 1 | ||||||
| 10. PTS10 | 0.34 | 0.82 | .159 | .229 | .206 | .258 | .291 | .295 | .278 | .216 | .220 | .240 | .355 | .337 | .281 | .341 | .500 | .432 | .445 | .489 | .462 | .525 | .537 | .489 | .616 | 1 | |||||
| 11. PTS11 | 0.42 | 0.87 | .206 | .287 | .276 | .327 | .391 | .356 | .330 | .264 | .288 | .302 | .437 | .432 | .363 | .387 | .530 | .497 | .514 | .554 | .540 | .558 | .574 | .491 | .663 | .694 | 1 | ||||
| 13. PTS13 | 0.59 | 0.96 | .165 | .283 | .262 | .325 | .406 | .385 | .335 | .231 | .293 | .349 | .509 | .514 | .487 | .432 | .499 | .454 | .478 | .534 | .508 | .542 | .524 | .460 | .584 | .516 | .634 | 1 | |||
| 16. PTS16 | 0.31 | 0.75 | .195 | .277 | .271 | .298 | .339 | .323 | .286 | .268 | .271 | .281 | .278 | .289 | .296 | .285 | .461 | .444 | .476 | .483 | .497 | .440 | .460 | .418 | .459 | .454 | .473 | .437 | 1 | ||
| 17. PTS17 | 1.04 | 1.21 | .260 | .353 | .312 | .336 | .368 | .368 | .381 | .271 | .294 | .305 | .272 | .261 | .263 | .217 | .542 | .535 | .545 | .568 | .596 | .474 | .476 | .460 | .390 | .365 | .457 | .465 | .447 | 1 | |
| 18. PTS18 | 0.97 | 1.15 | .287 | .390 | .306 | .357 | .390 | .405 | .367 | .300 | .300 | .313 | .284 | .294 | .288 | .238 | .579 | .557 | .549 | .553 | .630 | .483 | .492 | .442 | .368 | .364 | .460 | .466 | .447 | .757 | 1 |
Note. PCS = postconcussive symptoms; DEP = depression; PTS = posttraumatic stress. See Table 4 for item descriptions. PTSD Checklist items 12, 14, 15, 19, 20 are omitted because of overlapping content with PCS and depression items.