Table 3.

Estimation of the French prevalence of methylphenidate use in 2004

age	Boys (‰)	Girls (‰)	All (‰)
0-4	[0.054 ; 0.055]	[0.027 ; 0.028]	[0.040 ; 0.041]
5-9	[3.0; 3.1]	[5.1 ; 5.2]	[1.8 ; 1.9]
10-14	[3.7 ; 3.8]	[0.69 ; 0.71]	[2.7 ; 2.8]
15-18	[1.7 ; 1.8]	[0.27 ; 0.28]	[1.0 ; 1.1]
all	[2.5 ; 2.6]	[0.38 ; 0.39]	[1.4 ; 1.5]