Research Article

Association of Alanine Aminotransferase and Periodontitis: A Cross-Sectional Analysis—NHANES 2009–2012

Table 1

Sample characteristics, NHANES 2009–2012, .

NumberWeighted percentage

Alanine Aminotransferase (serum)
 <40 units/liter (normal)5,06287.9
 ≥40 units/liter69612.1
Periodontitis
 No2,94660.1
 Yes2,81239.9
  Mild2073.0
  Moderate2,04830.1
  Severe5576.9
Sex
 Male2,88449.9
 Female2,87450.1
Race/ethnicity
 Non-Hispanic white2,30868.1
 Non-Hispanic black1,23110.6
 Mexican American9328.4
 Other1,28713.0
Age
 30–44 years2,40741.9
 45–54 years1,53628.7
 55–69 years1,81529.4
Education
 Less than HS1,39315.5
 HS graduate1,21820.4
 Some coll./tech.1,61329.6
 Coll./tech. graduate1,52734.6
Family income to poverty ratio
 0 to less than 2.002,41730.1
 2.00 and above2,85369.9
Alcohol consumption
 Nonuse1,29320.5
 Moderate use2,04151.1
 Heavy use1,39128.4
Smoking status
 Current1,21919.0
 Former1,30724.9
 Never3,22956.1
Body mass index
 0–241,47827.0
 25–291,99536.0
 30 and above2,25237.0
Insurance
 Yes4,17879.3
 No1,58020.7
Diabetes
 Yes73218.0
 No2,39482.0

SE: standard error of row percent; HS: high school; and coll./tech.: college technical school.