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Table 1 Number of subjects according to smoking status by study variables

From: Cigarette smoking and tooth loss experience among young adults: a national record linkage study

   Smoking status
Variables Total Non- Former Current
Gender     
   males 465 170 38 257
   females 849 677 40 132
Frequency of daily brushing     
   more than twice 1028 718 63 247
   less than twice 286 129 15 142
BMI     
   < 25.0 1069 717 64 288
   ≥25.0 245 130 14 101
Alcohol consumption     
   never 992 744 45 203
   former 34 10 7 17
   current 288 93 26 169
Vitamin C intake     
   ≥100 mg 596 403 33 160
   < 100 mg 718 444 45 229
Vitamin E intake*     
   ≥10 or 8 mg 671 451 37 183
   < 10 or 8 mg 643 396 41 206
All 1314 847 78 389
  1. *10 mg for males and 8 mg for females