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. 2016 Jul 11;5(3):e142. doi: 10.2196/resprot.4881

Table 1.

Participant Characteristics.



Young adults
18-34 years
n=3030
Older adults
35 years and older
n=2953
Full sample
n=5983
Age, years, mean (SE)
26.9 (0.08) 48.0 (0.16) 37.3 (0.16)
Gender, n (%)



Female 1567 (54.00) 1998 (69.02) 3565 (61.50)

Male 1335 (46.00) 897 (30.98) 2232 (38.50)
Race/ethnicity, n (%)




White, non-Hispanic 1753 (57.85) 2268 (76.80) 4021 (67.21)

African American, non-Hispanic 205 (6.77) 261 (8.84) 466 (7.79)

Hispanic 591 (19.50) 208 (7.04) 799 (13.35)

Other, non-Hispanic 481 (15.87) 216 (7.31) 697 (11.65)