Table 3. Testability on the Randot Preschool, by age-group and sex.

Age Group	N children	% testable	N girls	% testable	N boys	% testable
2yo	78	65	35	74	43	58
3yo	167	92	86	91	81	94
4yo	171	99	96	100	75	99
5yo	106	99	53	100	53	98
6 & 7yo	267	100	139	100	128	99
9–11yo	216	100	108	100	108	100