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Table 1 Whistler cohort characteristics [n (%) of nonmissing observations], total population and stratified by sex

From: Relations between air pollution and vascular development in 5-year old children: a cross-sectional study in the Netherlands

Characteristic

n (%) or mean (SD)

Child characteristic

Total

Girls

Boys

Not available

 Sex

733

376 (51.3)

357 (48.7)

0

 Age (years)

5.42 (0.4)

5.41 (0.4)

5.42 (0.3)

0

 Height (cm)

115.0 (4.8)

114.58 (4.8)

115.45 (4.7)

117

 BMI

15.2 (1.4)

15.06 (1.4)

15.36 (1.4)

117

 SBP (mmHg)

105.00 (7.5)

105.03 (7.5)

104.98 (7.5)

11

 DBP (mmHg)

54.4 (7.2)

54.29 (7.4)

54.43 (7.1)

11

 cIMT (μm)

385.6 (39.5)

381.8 (37.5)

389.3 (40.9)

73

 EM (kPa)

159.3 (49.0)

156.2 (46.0)

162.6 (52.0)

187

 cD (MPa−1)

81.0 (13.0)

80.1 (13.0)

81.97 (13.0)

157

Parental Characteristic

 Parental higher SES

   

178

  None

132 (23.7)

64 (21.8)

68 (26.0)

 

  One parent

157 (28.3)

86 (29.4)

71 (27.1)

 

  Both parents

268 (48.0)

143 (48.8)

123 (46.9)

 

 Exposed to smoke during pregnancy

51 (7.0)

26 (7.0)

25 (7.1)

12

 Exposed to smoke later in life

44 (6.1)

25 (6.8)

19 (5.4)

18

Exposures

 NO2 (μg/m3)

29.47 (2.1)

29.47 (2.1)

29.47 (2.1)

0

 NOx (μg/m3)

35.34 (6.2)

35.20 (6.1)

35.50 (6.3)

0

 PM2.5 (μg/m3)

16.71 (0.2)

16.71 (0.2)

16.72 (0.2)

0

 PM10 (μg/m3)

25.03 (0.6)

25.03 (0.6)

25.04 (0.6)

0

 PM2.5 absorbance (10−5/m)

1.32 (0.1)

1.32 (0.1)

1.32 (0.1)

0