Table 2.

Ethnic differences in estimated VO_{2 max} (mL O₂/min/kg): overall and by sex

	Difference in estimated VO2 max (95% CI), p value
Compared to white Europeans	Boys (n=825)			Girls (n=800)			All
South Asian	−0.69	(−1.51 to 0.14)	0.10	−0.95	(−1.79 to −0.11)	0.03	−0.79	(−1.41 to −0.18)	0.01
Indian	−1.16	(−2.36 to 0.03)	0.06	−1.93	(−3.29 to −0.58)	0.01	−1.52	(−2.45 to −0.59)	0.001
Pakistani	−0.85	(−1.98 to 0.29)	0.14	−0.98	(−2.15 to 0.19)	0.10	−0.90	(−1.75 to −0.05)	0.04
Bangladeshi	−0.15	(−1.48 to 1.19)	0.83	−0.67	(−1.83 to 0.49)	0.26	−0.38	(−1.29 to 0.53)	0.42
Black African–Caribbean	1.03	(0.25 to 1.82)	0.01	0.13	(−0.69 to 0.94)	0.76	0.60	(0.02 to 1.17)	0.04
Black African	1.64	(0.70 to 2.58)	<0.001	0.24	(−0.71 to 1.19)	0.62	0.95	(0.27 to 1.62)	0.01
Black Caribbean	0.10	(−0.99 to 1.18)	0.86	0.17	(−0.96 to 1.29)	0.77	0.14	(−0.65 to 0.93)	0.72
Other	0.31	(−0.50 to 1.11)	0.46	−0.48	(−1.31 to 0.34)	0.25	−0.07	(−0.65 to 0.51)	0.80

Adjusted for sex, age quartiles, month, ethnic group, an interaction between ethnic group and sex (except for analysis of all children combined) and school (random effect).