Page 1 of 2 
Supplementary material 
Supplementary Figure 1: Distribution of estimated VO2 max 
Supplementary Table 1: Distribution of estimated VO2 max (ml O2/min/kg) by sex and ethnic group 
All children 
Boys 
Girls 
Ethnic group or sub-group 
n 
Mean 
SD 
N 
Mean 
SD 
N 
Mean 
SD 
All children 
1625 
39.4 
4.5 
825 
40.9 
4.4 800 
37.8 
4.0 
White European 
424 
39.6 
4.6 
231 
40.7 
4.6 193 
38.2 
4.2 
South Asian 
407 
38.5 
4.4 
200 
39.9 
4.3 207 
37.1 
4.1 
Indian 
111 
37.6 
4.8 
64 
39.1 
4.9 
47 
35.7 
4.0 
Pakistani 
147 
38.6 
3.9 
77 
39.9 
3.7 
70 
37.1 
3.6 
Bangladeshi 
121 
39.1 
4.4 
49 
41.0 
4.3 
72 
37.8 
4.0 
Black African-Caribbean 
413 
40.1 
4.4 
208 
41.8 
4.1 205 
38.3 
3.9 
Black African 
230 
40.4 
4.5 
113 
42.4 
4.1 117 
38.5 
4.1 
Black Caribbean 
148 
39.7 
4.1 
76 
41.0 
4.1 
72 
38.3 
3.8 
Other 
381 
39.3 
4.5 
186 
41.0 
4.4 195 
37.7 
3.9 
South Asian other and black other subgroups are not included in the table therefore the numbers in the subgroups do not add up to the main ethnic 
group totals for South Asians and black African-Caribbeans  
Page 2 of 2 
Supplementary Table 2: Ethnic differences in physical activity and adiposity 
Mean/geometric mean* (95% CI), p-value for difference from white Europeans 
White European 
South Asian 
Black African-Caribbean 
Other 
Outcome 
(n = 324) 
(n =278) 
(n = 320) 
(n = 293) 
Counts 
401,758 
(392,024, 411,491) 
381,981 
(370,884, 393,078) 
0.002 
414,900 
(405,040, 424,761) 
0.02 
394,651 
(384,606, 404,696) 
0.22 
CPM 
501 
(488, 513) 
459 
(445, 473) 
<0.0001 
500 
(488, 513) 
0.96 
478 
(465, 491) 
0.002 
Steps 
10,356 
(10,144, 10,567) 
9,550 
(9,311, 9,788) 
<0.0001 
9,928 
(9,714, 10,142) 
<0.001 
10,000 
(9,782, 10,217) 
0.002 
MVPA (min) 
71 
(68, 74) 
65 
(62, 68) 
<0.0001 
72 
(69, 75) 
0.15 
69 
(66, 71) 
0.05 
FMI (kg/m5)* 
2.10 
(2.01, 2.18) 
2.19 
(2.09, 2.29) 
0.17 
1.90 
(1.83, 1.98) 
<0.001 
2.18 
(2.09, 2.27) 
0.20 
All means are adjusted for sex, age quartiles, month and school (random effect) 
Abbreviations: CPM, counts per minute; FMI, fat mass index; MVPA, moderate to vigorous physical activity 
Supplementary Figure 1: Distribution of estimated VO2 max

Cross-sectional study of ethnic differences in physical fitness among children of South Asian, black African-Caribbean and white European origin: the Child Heart and Health Study in England (CHASE).
Nightingale, C M,Donin, A S,Kerry, S R,Owen, C G,Rudnicka, A R,Brage, S,Westgate, K L,Ekelund, U,Cook, D G,Whincup, P H