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Table 3 Smoking, Family History and Parents’ Consanguinity

From: Risk indicators of aggressive periodontitis in a Jordanian population

Variable AgP N (%) N = 81 Control N (%) N = 81 Significance* AgP vs. control
Smoking    0.833
 No 68 (84.0) 67 (82.7)  
 Yes 13 (16.0) 14 (17.3)  
Number of cigarettes/day    <  0.0001
  < 10 13 (100.0) 4 (28.6)  
  ≥ 10 0 (0.0) 10 (71.4)  
Duration of smoking (yr)    0.332
  < 5 5 (38.5) 8 (57.1)  
  ≥ 5 8 (61.5) 6 (42.9)  
Family history    0.012
 No 34 (42.0) 50 (61.7)  
 Yes 47 (58.0) 31 (38.3)  
Parents’ consanguinity    0.335
 No 46 (56.8) 52 (64.2)  
 Yes 35 (43.2) 29 (35.8)  
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