Table 1

Baseline characteristics and previous year residential AAP concentrations in Latino children (n = 314) enrolled in the longitudinal study

General characteristics
 Age (years)11.3 ± 1.7
 Sex (males/females, %)182/132, 58%
 Tanner stage (n, %)
  Tanner 198, 31%
  Tanner 2110, 35%
  Tanner 341, 13%
  Tanner 442, 13%
  Tanner 523, 7%
Metabolic indices
 Fasting glucose (mg/dL)90.7 ± 6.5
 Fasting insulin (μU/mL)*15 ± 9.4
 2-h glucose (mg/dL)127.3 ± 18.1
 2-h insulin (μU/mL)151.1 ± 125.5
 SI (×10−4 min−1)/(μU/mL)§2.1 ± 1.4
 AIR (μU/mL × 10 min)§1,669.7 ± 1,203.1
 DI§2,451.4 ± 1,150.6
Adiposity
 BMI (kg/m2)28.5 ± 5.6
 BMI percentile98.4 (2.9)
 BMI z score2.1 ± 0.4
 Total fat mass (kg)25.6 ± 10.1
 Total lean mass (kg)37.8 ± 10.4
 Body fat percent (%)38.7 ± 5.9
 SAAT (cm2)#344.1 ± 144.6
 IAAT (cm2)#48.4 ± 21.5
Long-term average residential AAP
 NO2 (ppb)27.6 ± 5.2
 PM2.5 (μg/m3)17.8 ± 3.8
  • Data are reported as mean ± SD.

  • *Sample size is 304.

  • †Sample size is 312.

  • ‡Sample size is 303.

  • §Sample size is 291.

  • ‖Median (interquartile range).

  • ¶Sample size is 299.

  • #Sample size is 219.