Table 2.
Parent performance on parallel BMI charting questions using standard versus color-coded charts
| Site | Standard % correct | Color-coded % correct | OR (95% CI) || | p-value | |
|---|---|---|---|---|---|
| Parallel question #1 | Vanderbilt† | 71 | 88 | ||
| UNC‡ | 66 | 97 | |||
| Combined§ | 68 | 93 | 6.47 (3.32–12.62) | <.0001 | |
| Parallel question #2 | Vanderbilt | 62 | 80 | ||
| UNC | 63 | 89 | |||
| Combined | 63 | 85 | 3.47 (2.18–5.53) | <.0001 | |
| Parallel question #3 | Vanderbilt | 78 | 82 | ||
| UNC | 73 | 88 | |||
| Combined | 75 | 86 | 1.98 (1.25–3.14) | 0.0038 | |
| Parallel question #4 | Vanderbilt | 41 | 80 | ||
| UNC | 61 | 97 | |||
| Combined | 52 | 90 | 8.79 (5.03–15.36) | <.0001 | |
| Pooled parallel questions* | Vanderbilt | 63 | 83 | ||
| UNC | 66 | 93 | |||
| Overall | 65 | 88 | 4.32 (3.14–5.95) | <.0001 | |
| Control Question 1 | Vanderbilt | 86 | 88 | ||
| UNC | 91 | 91 | |||
| Overall | 89 | 90 | 1.14 (0.68–1.91) | 0.616 | |
| Control Question 2 | Vanderbilt | 80 | 90 | ||
| UNC | 94 | 89 | |||
| Overall | 88 | 90 | 1.20 (0.67–2.15) | 0.532 |
Standard %= % correct using standard chart; Color % = % correct using color-coded chart
*
Adjusted for question
†
n=69 for Vanderbilt data
‡
n=94 for UNC data
§
N= 163 for combined data
||
Odds ratio, confidence interval, and p-value calculated for combined data, adjusted for site