Table 7.

Characteristics of the sample of White British and Pakistani children from the Born in Bradford 1000 study (Bradford, UK), August 2008–March 2009

	36-month BMI Z-score for 12-month population					36-month BMI Z-score for 18-month population					36-month BMI Z-score for 36-month population
	n	Mean	Median	sd	IQR	n	Mean	Median	sd	IQR	n	Mean	Median	sd	IQR
Ethnicity: White British	319	0·76	0·74	0·89	0·17–1·36	343	0·76	0·74	0·89	0·17–1·36	379	0·74	0·71	0·88	0·15–1·36
Ethnicity: Pakistani	403	0·40	0·33	1·14	−0·29–1·08	436	0·41	0·32	1·14	−0·29–1·11	466	0·39	0·30	1·12	−0·29–1·07
Sex: Male	334	0·53	0·51	1·01	−0·14–1·23	361	0·52	0·48	1·02	−0·14–1·23	391	0·51	0·48	1·00	−0·13–1·21
Sex: Female	388	0·59	0·52	1·08	−0·15–1·26	418	0·60	0·54	1·08	−0·13–1·27	454	0·58	0·50	1·06	−0·15–1·25
Total	722	0·56	0·51	1·05	−0·14–1·25	779	0·56	0·51	1·05	−0·14–1·25	845	0·55	0·50	1·03	−0·14–1·23
	Birth weight (g) in 12-month population					Birth weight (g) in 18-month population					Birth weight (g) in 36-month population
	n	Mean	Median	sd	IQR	n	Mean	Median	sd	IQR	n	Mean	Median	sd	IQR
Ethnicity: White British	319	3346·53	3360·0	534·26	3050·0–3670·0	343	3327·94	3340·0	567·82	3020·0–3660·0	379	3320·64	3340·0	572·05	3000·0–3665·0
Ethnicity: Pakistani	403	3145·19	3120·0	494·87	2820·0–3450·0	436	3130·56	3110·0	504·05	2800·0–3422·5	466	3127·99	3105·0	501·93	2800·0–3415·0
Sex: Male	334	3289·73	3280·0	560·70	2980·0–3637·5	361	3274·44	3280·0	591·41	2980·0–3640·0	391	3277·60	3280·0	590·27	2960·0–3640·0
Sex: Female	388	3186·30	3180·0	481·77	2840·0–3520·0	418	3168·27	3140·0	490·11	2820·0–3497·5	454	3159·97	3140·0	492·36	2820·0–3480·0
Total	722	3234·15	3220·0	521·97	2900·0–3560·0	779	3217·47	3220·0	541·67	2860·0–3560·0	845	3214·40	3203·0	542·73	2860·0–3560·0

IQR, interquartile range.