Table 5.

Number and percentage of children achieving maximum scores on each format with 95% confidence intervals.

	N	%	95% CI
Verbal label	69	65	55.92–74.08
Percentage	74	70	61.28–78.72
Proportion-word	48	45	35.53–54.47
Proportion-notation	53	50	40.48–59.52
Pie chart	89	84	77.02–90.98
Mixed formats	16	15	8.2–21.8