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Table 1 Demographic characteristics and socioeconomic status of the study populations

From: Traditional Cantonese diet and nasopharyngeal carcinoma risk: a large-scale case-control study in Guangdong, China

Variables Case (%) Control (%) P-value
Sex    
   Male 1025(74) 1038(71) 0.100
   Female 362(26) 421(29)  
Age    
   Mean 46.92 47.34  
   (SD) 11.34 11.64  
   < 30 84(6) 78(5) 0.564
   30-40 323(23) 352(24)  
   41-50 442(32) 431(30)  
   51-60 371(27) 414(28)  
   > 60 167(12) 184(13)  
Dialect    
   Hakka 219(16) 206(14) 0.603
   Cantonese 917(66) 971(67)  
   Hokkien 133(10) 146(10)  
   Others 116(8) 132(9)  
Education    
   None or primary school 282(20) 297(20) 0.998
   Secondary school 373(27) 391(27)  
   High school 459(33) 479(33)  
   University or more 269(20) 286(20)  
Household type    
   Rural 965(70) 1018(70) 0.874
   Urban 412(30) 429(30)