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Table 1 Baseline descriptive data for the cohort random sample and for cases of incident diabetes. ELSA-Brasil Rio Grande do Sul Center, 2008–2010

From: Aryl-hydrocarbon receptor binding and the incidence of type 2 diabetes: the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil)

Variable

Cohort Random Sample N = 472

Incident Cases N = 71

p-value*

N(%) / Mean (SD)

N(%) / Mean (SD)

AhRL (FI)

2.2 (0.6)

2.3 (0.6)

0.1933

MIS-ATP (%)

87.4 (9.8)

82.0 (9.9)

< 0.0001

Sex

 Female

268 (56.8%)

40 (56.3%)

0.9442

Schooling

 Incomplete High School

53 (11.2%)

11 (15.6%)

0.1989

 Incomplete University Education

147 (31.1%)

27 (38.3%)

 

 Complete University Education

272 (57.6%)

33 (46.5%)

 

Smoking

 Never

289 (61.2%)

43 (60.6%)

0.9294

 Former

124 (26.3%)

18 (25.3%)

 

 Current

59 (12.5%)

10 (14.1%)

 

Number of cigarettes (all participants)

0.9 (4.3)

2.4 (0.1)

0.0270

Number of cigarettes (among those who smoked)

13.5 (11.4)

32.0 (18.2)

0.0047

Family History of Diabetes

 Yes

154 (32.64%)

29 (40.9%)

0.1720

Race/Ethnicity

 Not white

103 (21.8%)

19 (26.8%)

0.3526

Age

53.1 (9.1)

53.9 (9.3)

0.4821

BMI (kg/m2)

26.5 (4.3)

28.5 (4.4)

0.0003

Waist/Hip Ratio

0.93 (0.08)

0.89 (0.09)

0.0002

  1. *p-value are for comparisons between incident cases and the cohort random sample, calculated through t-tests for continuous variables and chi-square tests for categorical variables, using appropriate weighting
  2. AhRL = aryl hydrocarbon receptor ligand-mediated luciferase bioactivity
  3. FI = fold induction compared with that of control cells incubated with charcoal-stripped human serum
  4. MIS-ATP = intracellular ATP content in serum incubated samples
  5. % = % of ATP content present in control cells incubated with charcoal stripped serum