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. Author manuscript; available in PMC: 2016 Feb 1.
Published in final edited form as: Environ Sci Pollut Res Int. 2015 May 17;23(3):2014–2021. doi: 10.1007/s11356-015-4684-3

Table 3.

Selected demographic characteristics of ACHS and ACHS-II participants.

Characteristic ACHS participants, 2005–7
(n=765)
ACHS-II participants, 2014
(n=359)
Mean ± standard error
Age in years at baseline (2005–7) 54.9 ± 0.6 55.2 ± 0.7
BMI – kg/m2 31.2 ± 0.3 31.6 ± 0.4
N (%, non-missing)
Self-identified race
African-American 353 (46.1%) 190 (53.0%)
White 412 (53.6%) 169 (47.1%)
Female 537 (70.2%) 262 (73.0%)