Table 1.
Demographic, psychometric, and cardiovascular measures of the sample at four levels of motion censoring (mean FD > 0.20). MMSE = Mini Mental State Examination, BPM = beats per minute
| Measure (units) | Censor FD < 0.30 | Censor FD < 0.20 | Censor FD < 0.20, mean FD < 0.25 | Censor FD < 0.20, mean FD < 0.20 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean (SD) | Range | N | Mean (SD) | Range | N | Mean (SD) | Range | N | Mean (SD) | Range | ||
| Demographic | Age (years) | 422 | 66.57 (8.73) | 43–89 | 356 | 66.35 (8.92) | 43–89 | 330 | 66.2 (9.01) | 43–89 | 254 | 65.84 (9.05) | 46–89 |
| Sex (N female/N male) | 422 | 250/172 | NA | 356 | 213/143 | NA | 330 | 197/133 | NA | 254 | 150/104 | NA | |
| Education (years) | 422 | 15.92 (2.64) | 6–20 | 356 | 15.94 (2.63) | 6–20 | 330 | 15.95 (2.65) | 6–20 | 254 | 15.90 (2.54) | 10–20 | |
| Race (N white/N black/N Asian) | 422 | 385/35/2 | NA | 356 | 327/27/2 | NA | 330 | 303/25/2 | NA | 254 | 236/16/2 | NA | |
| Mean head motion (mm FD) | 422 | 0.19 (0.08) | 0.05–0.49 | 356 | 0.17 (0.06) | 0.05–0.31 | 330 | 0.16 (0.05) | 0.05–0.25 | 254 | 0.14 (0.04) | 0.05–0.2 | |
| Psychometric | MMSE (score) | 351 | 29.13 (1.16) | 23–30 | 300 | 29.14 (1.15) | 24–30 | 279 | 29.12 (1.17) | 24–30 | 214 | 29.14 (1.19) | 24–30 |
| FCSRT: free recall (score) | 396 | 31.17 (5.83) | 4–46 | 336 | 31.28 (5.77) | 4–46 | 311 | 31.2 (5.81) | 4–46 | 240 | 31.32 (5.78) | 14–46 | |
| Animal naming (score) | 397 | 21.91 (5.82) | 8–41 | 337 | 21.9 (5.8) | 8–41 | 312 | 21.92 (5.79) | 8–41 | 241 | 21.88 (5.93) | 9–41 | |
| Trail making A (score) | 397 | 30.62 (11.68) | 10–134 | 337 | 30.39 (11.9) | 10–134 | 312 | 30.37 (11.88) | 10–134 | 241 | 29.85 (10.6) | 10–69 | |
| Trail making B (score) | 396 | 75.68 (32.63) | 19–234 | 336 | 75.34 (31.93) | 19–210 | 311 | 75.81 (32.9) | 19–210 | 240 | 74.95 (33.29) | 19–210 | |
| Cardiovascular | Pulse (BPM) | 417 | 68.35 (9.67) | 40–108 | 351 | 68.29 (9.57) | 41–108 | 325 | 68.18 (9.49) | 41–108 | 249 | 67.94 (9.81) | 41–108 |
| Systolic blood pressure (mmHg) | 421 | 127.1 (16.07) | 88–187 | 355 | 126.48 (15.73) | 88–187 | 329 | 126.12 (15.69) | 88–187 | 253 | 125.67 (15.62) | 88–168 | |
| BMI (kg/m2) | 421 | 26.91 (4.62) | 14–42 | 355 | 26.5 (4.56) | 14–41 | 329 | 26.3 (4.5) | 14–41 | 253 | 26.14 (4.5) | 14–41 | |
| WMH volume (mm3) | 325 | 12 657.08 (16 214.36) | 48–138 272 | 270 | 11 886.14 (14 670.1) | 48–86 112 | 249 | 11 504.51 (14 254.41) | 48–86 112 | 192 | 11 252.7 (13 918.06) | 48–86 112 | |