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Table 1 Descriptive characteristics of the participants in the Asian cities

From: Moderate-to-vigorous physical activity attenuates the detrimental effects of television viewing on the cardiorespiratory fitness in Asian adolescents: the Asia-fit study

 TokyoHong KongShanghaiTaipeiBangkokKuala LumpurSeoulSingaporeTotalp valuePost-hoc tests
Number of subjects10451132148513369721434124710969747  
Age (y)13.3 ± 0.913.5 ± 1.014.0 ± 0.813.8 ± 0.914.0 ± 0.913.7 ± 1.013.4 ± 1.013.5 ± 1.213.6 ± 1.0< 0.001Shanghai, Bangkok > Taipei, Kuala Lumpur > Hong Kong, Singapore > Seoul, Tokyo
% of boys (n)52.7 (551)56.2 (636)51.1 (759)53.6 (716)50.0 (486)49.7 (712)60.1 (749)54.4 (596)53.4 (5205)0.147 
Anthropometric characteristics
 Height (cm)157.5 ± 8.1160.8 ± 8.3164.4 ± 7.8160.9 ± 7.9158.9 ± 8.0155.6 ± 8.2161.1 ± 8.2159.8 ± 8.9160.0 ± 8.6< 0.001Shanghai > Seoul, Taipei, Hong Kong > Singapore, Bangkok > Tokyo > Kuala Lumpur
 Weight (kg)48.8 ± 10.352.3 ± 12.556.5 ± 12.255.6 ± 13.353.2 ± 14.449.7 ± 12.155.6 ± 11.752.0 ± 13.453.0 ± 12.7< 0.001Shanghai, Seoul, Taipei > Bangkok, Hong Kong, Singapore > Kuala Lumpur, Tokyo
 Body mass index (kg/m2)19.5 ± 3.120.1 ± 3.920.8 ± 3.721.3 ± 4.320.9 ± 4.820.4 ± 4.221.3 ± 3.620.2 ± 4.220.6 ± 4.0< 0.001Seoul, Taipei, Bangkok, Shanghai, Kuala Lumpur > Singapore, Hong Kong > Tokyo
 MVPA (min/day)73.5 ± 76.438.0 ± 53.637.9 ± 26.343.3 ± 59.442.8 ± 56.139.9 ± 44.759.7 ± 69.252.2 ± 58.547.9 ± 57.7< 0.001Tokyo > Seoul > Singapore > Taipei, Bangkok, Kuala Lumpur, Hong Kong, Shanghai
 Television time (h/day)2.50 ± 1.451.69 ± 1.361.24 ± 0.991.80 ± 1.311.81 ± 1.342.88 ± 1.021.49 ± 1.211.56 ± 1.341.87 ± 1.36< 0.001Kuala Lumpur > Tokyo > Bangkok, Taipei, Hong Kong, Singapore, Seoul > Shanghai
 15-m PACER z-score1.11 ± 1.14− 0.24 ± 0.830.04 ± 0.76− 0.13 ± 0.85−0.53 ± 0.74−0.43 ± 0.74−0.01 ± 0.830.00 ± 1.060.00 ± 1.00< 0.001Tokyo > Shanghai, Singapore, Seoul > Taipei > Hong Kong > Kuala Lumpur, Bangkok
  1. Data are presented as a mean ± standard deviation or percentage. MVPA moderate-to-vigorous physical activity, PACER progressive aerobic capacity endurance run test