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Table 1 Selected demographic characteristics of CHS participants (N = 70)

From: Childhood traffic-related air pollution and adverse changes in subclinical atherosclerosis measures from childhood to adulthood

  Mean (SD) or
N (%)
Age at adult carotid ultrasound, years 21.9 (0.4)
Age at child carotid ultrasound, years 10.7 (0.4)
Change in age (time between ultrasounds), years 11.1 (0.3)
Sex
 Male 29 (41.4)
 Female 41 (58.6)
Race
 White 44 (62.8)
 More than one race 14 (20.0)
 Othera 5 (7.2)
 Unknown/not reported 7 (10.0)
Ethnicity
 Hispanic 38 (54.3)
 Non-Hispanic 30 (42.9)
 Unknown/not reported 2 (2.8)
CHS recruitment community
 Anaheim 7 (10.0)
 Glendora 17 (24.3)
 Long Beach 1 (1.4)
 Mira Loma 5 (7.1)
 Riverside 7 (10.0)
 San Dimas 10 (14.3)
 Santa Barbara 10 (14.3)
 Upland 13 (18.6)
Parental Educational Attainmentb
 High school or less 18 (25.7)
 Some college or technical school 21 (30.0)
 Completed college or more 31 (44.3)
Adult BMI (kg/m2) 24.8 (5.7)
BMI category
 Underweight (< 18.5) 3 (4.3)
 Normal (18.5 to < 25) 42 (60.0)
 Overweight (25 to < 30) 18 (25.7)
 Obese (≥30) 7 (10.0)
Smoking status at young adult follow-up
 Never smoked 45 (64.3)
 Smoked but not in past 12 months 15 (21.4)
 Smoked in past 12 months 10 (14.3)
Any family history of CV eventsc
 No 27 (38.6)
 Yes 43 (61.4)
  1. aOther includes Asian, Pacific Islander, Alaska Native and American Indian
  2. b Parental education assessed prior to first CIMT measurement in childhood
  3. cEvents include hyperlipidemia (high cholesterol), hypertension (high blood pressure), stroke, coronary artery disease, and/or any other heart disease for any biological family members