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Table 2 Consumption frequency of the dietary factors included in the FFQ (n = 7432)

From: Prevalence and association of asthma and allergic sensitization with dietary factors in schoolchildren: data from the french six cities study

Dietary factors Number Percent
Soft drinks intake   
 Never/occasionally 3781 50.9
 1–2 times/week 1909 25.7
  ≥ 3 times/week 1742 23.4
Fruit juice intake   
 Never/occasionally 2654 35.7
 1–2 times/week 1515 20.4
  ≥ 3 times/week 3263 43.9
Cooked vegetables intake   
 Never/occasionally 1451 19.5
 1–2 times/week 1639 22.1
  ≥ 3 times/week 4342 58.4
Raw vegetables intake   
 Never/occasionally 2258 30.4
 1–2 times/week 2062 27.7
  ≥ 3 times/week 3112 41.9
Citrus fruit intake   
 Never/occasionally 3087 41.5
 1–2 times/week 2095 28.2
  ≥ 3 times/week 2250 30.3
Red meat intake   
 Never/occasionally 1738 23.4
 1–2 times/week 2796 37.6
  ≥ 3 times/week 2898 39.9
Fish intake   
 Never/occasionally 5695 76.6
 1–2 times/week 1453 19.6
    ≥3 times/week 284 3.8
Dairy products intake   
 Never/occasionally 1085 14.6
 1–2 times/week 323 4.3
 ≥ 3 times/week 6024 81.1
Fast food consumption (N = 6515)   
 Never/occasionally 6065 93.1
 1–2 times/week 413 6.3
  ≥ 3 times/week 37 0.6
Canteen lunch (N = 6790)   
 Never/occasionally 2211 32.6
 1–2 times/week 1443 21.3
  ≥ 3 times/week 3136 46.2