Table 4.

Number of children reported to stutter, by grade and sex, the male/female ratio, as the ratio of the number of boys and girls reported to stutter in each grade, and the “prevalence ratio”, as the ratio of the proportion of boys and the proportion of girls reported to stutter.

	Only English used regularly						Languages other than English used regularly
	Male		Female				Male		Female
Grade	CNS	CWS	CNS	CWS	M/f ratio	Prev. ratio	CNS	CWS	CWS	CNS	M/f ratio	Prev. ratio
K	634	47	599	14	3.36	3.00	524	40	547	27	1.48	1.51
1	2,109	87	2,543	28	3.11	3.64	921	50	1,098	27	1.85	2.12
3	341	50	210	19	2.63	1.54	94	23	65	10	2.30	1.48
5	276	32	165	8	4.00	2.26	75	14	54	8	1.75	1.22