Table 2.
Absolute and relative measures of agreement for weeks 0 and 48
| Outcome | Week 0 N, mean (sd) |
Week 48 N, mean (sd) |
Pearsons | Unadjusted ICCb (95% CI) |
Mean Difference (95% CI) |
Limits of agreementv |
CRf | ||
|---|---|---|---|---|---|---|---|---|---|
| Kaufman Assessment Battery for Children (KABC-II), Summary Scores | |||||||||
|
| |||||||||
| Sequential | 605 | 83.32 (12.12) | 601 | 82.92 (12.44) | 0.72 | 0.71 (0.67,0.75) | −0.39 (−1.13,0.36) | −18.46,17.69 | 18.45 |
| Simultaneous | 606 | 77.72 (12.41) | 602 | 79.90 (13.20) | 0.66 | 0.65 (0.61,0.70) | 2.05 (1.20,2.89) | −18.60,22.70 | 21.07 |
| Learning | 605 | 86.69 (16.02) | 601 | 86.34 (14.75) | 0.56 | 0.54 (0.48,0.59) | −0.35 (−1.51,0.82) | −28.66,27.97 | 28.90 |
| Planning | 285 | 76.08 (11.87) | 474 | 76.59 (13.20) | 0.75 | 0.69 (0.64,0.74) | 1.92 (0.79,3.06) | −16.99,20.84 | 19.31 |
| Delayed recall | 602 | 87.39 (15.75) | 601 | 84.90 (13.88) | 0.45 | 0.42 (0.35,0.49) | −2.52 (−3.79,−1.26) | −33.29,28.25 | 31.40 |
| Nonverbal index | 608 | 76.01 (12.03) | 602 | 76.63 (12.45) | 0.75 | 0.73 (0.69,0.76) | 0.53 (−0.17,1.23) | −16.53,17.59 | 17.41 |
| Mental processing index | 607 | 77.27 (11.63) | 601 | 76.83 (11.98) | 0.73 | 0.71 (0.67,0.75) | −0.53 (−1.22,0.16) | −17.40,16.33 | 17.21 |
|
| |||||||||
| Bruininks-Oseretsky Test of Motor Proficiency (BOT-2) | |||||||||
|
| |||||||||
| Total score | 608 | 50.85 (8.42) | 603 | 51.59 (8.06) | 0.70 | 0.69 (0.64,0.73) | 0.80 (0.30,1.31) | −11.63,13.24 | 12.69 |
|
| |||||||||
| Behavior Rating Inventory for Executive Function (BRIEF) | |||||||||
|
| |||||||||
| BRI | 609 | 52.21 (12.28) | 602 | 49.81 (11.40) | 0.51 | 0.52 (0.46,0.58) | −2.31 (−3.25,−1.37) | −25.29,20.67 | 23.45 |
| MI | 609 | 51.38 (12.06) | 603 | 48.16 (11.13) | 0.56 | 0.56 (0.51,0.61) | −3.17 (−4.05,−2.29) | −24.63,18.30 | 21.90 |
| GEC | 609 | 51.92 (12.20) | 603 | 48.77 (11.17) | 0.56 | 0.57 (0.52,0.62) | −3.07 (−3.95,−2.19) | −24.59,18.44 | 21.95 |
| Monitor | 609 | 50.32 (12.91) | 603 | 47.26 (12.47) | 0.49 | 0.50 (0.44,0.56) | −2.98 (−4.00,−1.95) | −28.02,22.07 | 25.56 |
|
| |||||||||
| Test of Variables of Attention (TOVA) | |||||||||
|
| |||||||||
| ADHD | 582 | 0.03 (2.86) | 595 | 0.70 (2.96) | 0.52 | 0.53 (0.47,0.59) | 0.76 (0.53,0.99) | −4.74,6.26 | 5.61 |
| Response time variability (msec) | 582 | 247.14 (71.81) | 595 | 208.89 (66.77) | 0.66 | 0.66 (0.61,0.70) | −41.39 (−46.01,−36.76) | −151.90,69.12 | 112.77 |
| Response time (msec) | 582 | 663.05 (153.03) | 595 | 590.65 (129.70) | 0.76 | 0.74 (0.71,0.78) | −76.71 (−85.00,−68.42) | −274.71,121.29 | 202.04 |
| Commission (%) | 582 | 9.52 (6.39) | 595 | 6.94 (5.45) | 0.46 | 0.46 (0.39,0.52) | −2.71 (−3.21,−2.20) | −14.77,9.36 | 12.31 |
| Omission (%) | 582 | 15.28 (16.81) | 595 | 10.25 (13.11) | 0.57 | 0.57 (0.51,0.62) | −5.65 (−6.78,−4.52) | −32.70,21.40 | 27.60 |
| D Prime | 582 | 2.70 (0.99) | 595 | 3.25 (1.10) | 0.63 | 0.63 (0.58,0.68) | 0.58 (0.51,0.66) | −1.17,2.33 | 1.78 |
| D-prime standard score | 582 | 85.88 (13.09) | 595 | 89.22 (13.61) | 0.47 | 0.45 (0.39,0.52) | 3.71 (2.58,4.83) | −23.16,30.58 | 27.42 |
|
| |||||||||
| Selected KABC Raw Scores | |||||||||
|
| |||||||||
| Conceptual thinking | 608 | 12.07 (5.77) | 602 | 14.39 (5.26) | 0.68 | 0.66 (0.62,0.71) | 2.33 (1.97,2.68) | −6.40,11.05 | 8.90 |
| Story completion | 608 | 5.09 (4.09) | 602 | 6.59 (5.03) | 0.82 | 0.80 (0.77,0.83) | 1.48 (1.25,1.71) | −4.17,7.14 | 5.77 |
| Pattern reasoning | 608 | 5.51 (4.76) | 602 | 7.32 (5.60) | 0.75 | 0.74 (0.70,0.77) | 1.78 (1.49,2.08) | −5.49,9.06 | 7.43 |
| Face recognition | 608 | 11.09 (4.13) | 602 | 12.33 (3.67) | 0.58 | 0.57 (0.51,0.62) | 1.25 (0.96,1.53) | −5.80,8.29 | 7.19 |
| Hand movements | 608 | 6.73 (2.77) | 602 | 7.44 (2.88) | 0.64 | 0.64 (0.59,0.68) | 0.73 (0.54,0.92) | −3.93,5.39 | 4.76 |
s
Pearson= Pearson product moment correlation
n
ICC=Intraclass correlation coefficient; Unadjusted ICC values incorporate cohort and time in regression models
v
95% of differences should fall within lower and upper limits of agreement
f
CR=coefficient of repeatability (roughly half the width from lower to upper limit of agreement