Table 1

Mean SDS, 95% CI, and SD for 1996 and 1997 male and female Plymouth cohort produced from the British Growth Reference Charts

Measurement	Age	n	Mean SDS	(95% CI)	SD
Weight	Birth	4665	0.03	(0.00 to 0.05)	0.93
	1½–2 months	3607	0.02	(−0.02 to 0.05)	0.95
	6–9 months	3625	0.02	(−0.05 to 0.02)	1.01
	24–30 months	3164	0.33	(0.29 to 0.36)	0.95
Height	1½–2 months	3515	0.38	(0.34 to 0.41)	1.07
	6–9 months	3676	0.41	(0.37 to 0.44)	1.09
	24–30 months	2941	0.14	(0.1 to 0.17)	1.04
BMI	24–30 months	2829	0.26	(0.23 to 0.3)	0.99