Table 1.

Hats worn by pupils with OCA

Group	Number of participants	Number of hats	Mean brim width (cm)
Female pupils	40	0–8; mean 3.5	5.4
Male pupils	50	1–5; mean 3.1	5.4*
TOTAL	90	Mean 3.3	5.4

* This value excludes the 3 woollen hats with no brim but includes the 9 base ball style caps