Height, weight and BMI percentiles and nutritional status relative to the international growth references among Pakistani school-aged children

Table 8 Prevalence of over-nutrition relative to the international growth references among Pakistani primary school children aged five to twelve years (n = 1860)

Reference	Overweight > + 1 SD BMI-for-age z score		Obesity > + 2 SD BMI-for-age z score
	n (%)	P value^a	n (%)	P value^a
Boys (n = 977)
WHO 2007	170 (17.4)	< 0.001	86 (8.8)	< 0.001
USCDC 2000	141 (14.4)		45 (4.6)
IOTF^b	74 (7.6)	< 0.001^c	42 (4.3)	< 0.001^c
		< 0.001^d		0.453^d
Girls (n = 883)
WHO 2007	146 (16.5)	0.006	54 (6.1)	< 0.001
USCDC 2000	135 (15.3)		30 (3.4)
IOTF^b	80 (9.1)	< 0.001^c	45 (5.1)	0.422^c
		< 0.001^d		< 0.001^d
Total (n = 1860)
WHO 2007	316 (17.0)	< 0.001	140 (7.5)	< 0.001
USCDC 2000	276 (14.8)		75 (4.0)
IOTF^b	154 (8.3)	< 0.001^c	87 (4.7)	< 0.001^c
		< 0.001^d		0.017^d

^a P values are for difference between the estimates by the WHO 2007 and USCDC 2000 references obtained by the McNemar test
^b IOTF estimates are based on cut-offs corresponding to the respective BMI cut-off value at age 18 years and above
^c compared to the WHO 2007 reference,^d compared to the USCDC 2000 reference

ISSN: 1471-2431