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Table 2 Prevalence of fast food consumption and health outcomes among children in the study (n = 1626)ab

From: Fast food consumption and its associations with obesity and hypertension among children: results from the baseline data of the Childhood Obesity Study in China Mega-cities

Characteristics Had FFC each week (%) Times of FFC per week (%) Health outcomes, yes (%)
Western FFC Chinese FFC Western FFC Chinese FFC Overweight (including obesity) Obesity Central obesity Hypertension
    Not consumed 1–2 time ≥ 3 times Not consumed 1–2 times ≥ 3 times     
All 51.9 43.6 48.1 36.3 15.6 56.4 40.0 3.6 26.2 11.1 19.7 9.0
School
 Primary school 51.5 38.1 48.5 39.2 12.3 61.9 35.3 2.8 26.9 12.3 20.1 5.7
 Middle school 52.2 48.8 47.8 33.7 18.5 51.2 44.4 4.4 25.5 9.9 19.2 12.7
P-value 0.756 < 0.001 0.001 < 0.001 0.529 0.134 0.625 < 0.001
Gender
 Boys 51.3 46.2 48.8 36.8 14.5 53.9 41.6 4.5 33.9 15.2 27.4 9.3
 Girls 52.4 41.3 47.6 35.8 16.6 58.8 38.5 2.7 18.2 6.9 11.7 8.8
P-value 0.656 0.051 0.507 0.044 < 0.001 < 0.001 < 0.001 0.734
City
 Beijing 49.8 44.5 50.2 31.7 18.1 55.5 40.3 4.2 28.9 11.9 19.1 9.1
 Shanghai 51.9 45.0 48.2 36.1 15.7 55.6 41.1 3.3 27.3 10.5 23.0 7.5
 Nanjing 55.1 46.1 44.9 38.5 16.6 53.9 40.5 5.6 21.7 10.6 20.7 11.9
 Xi’an 50.8 39.2 49.2 39.7 11.2 60.8 38.1 1.1 26.6 11.5 15.9 7.7
P-value 0.464 0.235 0.059 0.039 0.108 0.907 0.080 0.117
  1. Abbreviations: FFC fast food consumption
  2. aColumn % was used for comparison
  3. bThe differences across groups were tested using Chi-square or t-tests. Those bolded were P < 0.05 for the group differences