Table 2.
Means, differences, and agreement between parent-proxy reported measures and objective measures from clinic visits.
| Parent-reporta | Objective reporta | Mean differenceb† | Agreement | ||
|---|---|---|---|---|---|
| ICCc | Pearson’s Rd | ||||
| Overall group (n = 55) | |||||
| Weight (kg) | 17.1 (3.4) | 17.4 (3.5) | −0.2 (0.9)‡ | 0.97 | 0.97 |
| Height (cm) | 101.3 (11.4) | 102.2 (9.5) | −0.8 (4.8) | 0.89 | 0.91 |
| BMI (kg/m2) | 16.7 (1.8) | 16.5 (1.6) | 0.1 (1.6) | 0.57 | 0.57 |
| BMI z-score | 0.6 (1.2) | 0.6 (1.1) | 0.1 (1.1) | 0.55 | 0.55 |
| BMI % | 65.6 (30.5) | 66.9 (27.0) | −1.2 (28.9) | 0.50 | 0.50 |
| ≤7d TG group (n = 37) | |||||
| Weight (kg) | 17.5 (3.6) | 17.7 (3.6) | −0.2 (0.6) | 0.98 | 0.98 |
| Height (cm) | 101.6 (12.5) | 102.7 (9.6) | −1.1 (4.7) | 0.91 | 0.94 |
| BMI (kg/m2) | 16.9 (1.8) | 16.7 (1.6) | 0.3 (1.5) | 0.61 | 0.62 |
| BMI z-score | 0.8 (1.2) | 0.7 (1.0) | 0.2 (1.0) | 0.58 | 0.59 |
| BMI % | 70.5 (29.8) | 68.4 (26.1) | 2.1 (26.9) | 0.53 | 0.53 |
| >7d TG group (n = 18) | |||||
| Weight (kg) | 16.5 (3.2) | 16.8 (3.5) | −0.3 (1.2) | 0.93 | 0.94 |
| Height (cm) | 100.7 (9.1) | 101.0 (9.4) | −0.3 (5.0) | 0.86 | 0.85 |
| BMI (kg/m2) | 16.2 (1.7) | 16.3 (1.5) | −0.2 (1.7) | 0.44 | 0.43 |
| BMI z-score | 0.2 (1.2) | 0.4 (1.3) | −0.2 (1.2) | 0.48 | 0.47 |
| BMI % | 55.6 (30.4) | 63.7 (29.1) | −8.2 (31.5) | 0.44 | 0.44 |
| ≤7d TG + Direct group (n = 24) | |||||
| Weight (kg) | 17.2 (3.0) | 17.4 (2.9) | −0.2 (0.4) | 0.99 | 0.99 |
| Height (cm) | 101.2 (9.6) | 103.0 (8.6) | −1.8 (2.9)‡ | 0.93 | 0.95 |
| BMI (kg/m2) | 16.8 (1.5) | 16.4 (1.4) | 0.4 (0.9)‡ | 0.79 | 0.82 |
| BMI z-score | 0.8 (0.9) | 0.5 (1.0) | 0.3 (0.7) | 0.67 | 0.71 |
| BMI % | 72.2 (25.7) | 64.8 (26.6) | 7.3 (20.8) | 0.69 | 0.68 |
| >7d TG + Direct group (n = 15) | |||||
| Weight (kg) | 16.4 (3.4) | 16.6 (3.6) | −0.2 (1.3) | 0.93 | 0.93 |
| Height (cm) | 99.2 (7.9) | 100.3 (9.9) | −1.1 (4.5) | 0.87 | 0.89 |
| BMI (kg/m2) | 16.5 (1.6) | 16.3 (1.6) | 0.2 (1.6) | 0.54 | 0.53 |
| BMI z-score | 0.5 (1.1) | 0.3 (1.4) | 0.1 (1.0) | 0.66 | 0.67 |
| BMI % | 62.6 (27.2) | 62.4 (31.2) | 0.1 (24.4) | 0.67 | 0.66 |
†Paired samples T-test; ‡significant difference (Overall; Weight [p = 0.05], ≤7d TG + Direct; Height [p = 0.01], ≤7d TG + Direct; BMI [p = 0.02]).
aValues shown as mean ± standard deviation (SD).
bMean difference calculated by subtracting the mean of the objectively reported values from the mean of the self-reported values (MeanSelf-MeanObj).
cIntraclass correlation coefficient (ICC); <0.50 indicates poor reliability, 0.50–0.75 indicates moderate reliability, 0.75–0.90 indicates good reliability, and > 0.90 indicates excellent reliability.
dPearson’s correlation coefficient (Pearson’s R); values are interpreted on a continuum between − 1 (perfect negative correlation), 0 (no correlation) and + 1 (perfect positive correlation).