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Table 1 Frequency of socio-demographic and behavioural characteristics of the study sample (n = 213)

From: Dietary patterns and the risk of oral, pharyngeal and laryngeal cancer in Syria: a case control study

Variable Total N = 213 (%) Cases N = 108 (%) Controls N = 105 (%) P values (Chi-square)
Age groups (in years)
 40–49 104 (48.8) 36 (33.3) 68 (64.8)  
 50–59 64 (30) 36 (33.3) 28 (26.7)  
 60 and above 45 (21.1) 36 (33.3) 9 (8.6) <0.001
Gender
 Male 122 (57.3) 83 (76.9) 39 (37.1)  
 Female 91 (42.7) 25 (23.1) 66 (62.9) <0.001
Educationa
 High level 102 (47.9) 44 (40.7) 67 (63.8)  
 Low level 111 (52.1) 64 (59.3) 38 (36.2) 0.001
Working status
 Working 134 (62.9) 79 (73.1) 55 (52.4)  
 Not working 79 (37.1) 29 (26.9) 50 (47.6) 0.001
Tobacco smoking
 Not smoking 121 (56.8) 33 (30.6) 88 (83.8)  
 Smokingb 92 (43.2) 75 (69.4) 17 (16.2) <0.001
  1. aHigh level included post-secondary school education (college, university and postgraduate studies) and low level included secondary school education and below
  2. bCurrent or past smoker (within the last 10 years)