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Table 1 Characteristics of the study population (n = 53)

From: Exposure to traffic-related air pollution during physical activity and acute changes in blood pressure, autonomic and micro-vascular function in women: a cross-over study

 

n

Mean/% (SD)

Range

Age

53

25 (6.0)

18-44

Body Mass Index (kg/m2)

53

22 (2.9)

15-30

Racial Group

   

  Caucasian

29

54.7%

 

  Asian

13

24.5%

 

  Other

11

20.8%

 

Second-Hand Smoke Exposure (Past 24-hours)

   

  Yes

19

13.3%

 

  No

124

86.7%

 

Recent Illness in the past week

   

  Yes

13

9.1%

 

  No

130

90.9%

 

Alcohol Consumption (Past 24-hours)

   

  None

109

76.2%

 

  1-5 Glasses

34

23.8%

 

Caffeine Consumption (Past 24-hours)

   

  Yes

61

42.7%

 

  No

82

57.3%

 

Regular Medication Use

   

  Yes

11

21%

 

  No

42

79%

 
  1. SD, standard deviation.