Table 3.

Estimated mean and percentiles of 1598 children by growth classes

	Growth classes
	Class 1	Class 2	Class 3
Age-based weight SDS
Birth	46th (–0.11 SDS)	28th (–0.59 SDS)	29th (–0.56 SDS)
1 month	43rd (–0.18 SDS)	19th (–0.89 SDS)	23rd (–0.75 SDS)
3 months	38th (–0.31 SDS)	7th (–1.48 SDS)	13th (–1.13 SDS)
6 months	45th (–0.12 SDS)	34th (–0.40 SDS)	8th (–1.39 SDS)
12 months	61st (0.27 SDS)	96th (1.75 SDS)	3rd (–1.91 SDS)
18 months	60th (0.25 SDS)	94th (1.57 SDS)	8th (–1.40 SDS)
24 months	59th (0.23 SDS)	92nd (1.39 SDS)	19th (–0.88 SDS)
36 months	58th (0.20 SDS)	85th (1.02 SDS)	56th (0.14 SDS)
Visits-based weight SDS
Birth	47th (–0.08 SDS)	40th (–0.26 SDS)	–
1st visit	53rd (0.04 SDS)	56th (0.16 SDS)	–
2nd visit	55th (0.13 SDS)	71rd (0.54 SDS)	–
3rd visit	57th (0.18 SDS)	81st (0.89 SDS)	–
4th visit	57th (0.19 SDS)	88th (1.20 SDS)	–
5th visit	53rd (0.09 SDS)	96th (1.70 SDS)	–

SDS, standardised scores.