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Table 1 Characteristics of the participants

From: Cardiac autonomic activity and blood pressure among Nunavik Inuit adults exposed to environmental mercury: a cross-sectional study

Variables

N

Arithmetic mean (SD)

Geometric mean

Range

Age (years)

205

52.1 (28.3)

 

40 – 73

Gender (%)

205

   

   Female

 

120 (58.6%)

  

   Male

 

85 (41.5%)

  

Mercury (nmol/L)§

205

132.9 (329.8)

97.8

2.4 – 760.0

Fasting insulin (pmol/L)§

203

68.9 (204.5)

52.1

13.0 – 448.0

Fasting glucose (mmol/L)§

202

4.9 (3.7)

4.8

2.8 – 15.1

HOMA-IR §

201

16.9 (77.3)

11.0

1.9 – 244.3

Total-Cholesterol (mmol/L)

202

5.4 (2.8)

 

3.3 – 8.2

LDL-Cholesterol (mmol/L)

202

3.1 (2.7)

 

0.7 – 6.1

HDL-Cholesterol (mmol/L)

202

1.7 (1.6)

 

0.8 – 4.3

Triglycerides (mmol/L)§

202

1.3 (2.4)

1.1

0.3 – 5.5

EPA (% fatty acids)§

205

2.5 (4.2)

2.1

0.50 – 7.27

DHA (% fatty acids)

205

6.7 (5.1)

 

1.56 – 10.09

WC (cm)

204

96.0 (41)

 

66.0 – 136.0

Smoking habits (%)

198

   

   Daily smoker

 

116 (59.0%)

  

   Occasionally

 

7 (3.5%)

  

   Not at all

 

75 (37.9%)

  

Physical activity (kcal/kg/week) &

130

43.9 (186)

20.2

0 – 364

Total income (%)

169

   

   Less than $20,000

 

80 (47.3%)

  

   $20,000 to less than $40,000

 

46 (27.2%)

  

   $40,000 to less than $60,000

 

31 (18.3%)

  

   $60,000 or more

 

12 (7.1%)

  

Alcohol consumption (%)

177

   

   Yes

 

141 (79.7%)

  

   No

 

36 (20.3%)

  
  1. § Variables not normally distributed; HOMA-IR: insulin sensitivity; EPA: Eicosapentaenoic acid; DHA: Docosahexaenoic acid; WC: Waist circumference; LDL-cholesterol: Low density lipoprotein; HDL-cholesterol: high density lipoprotein;
  2. &Physical activity was calculated as: MET = duration*frequency*intensity of the exercise.