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. Author manuscript; available in PMC: 2018 May 25.
Published in final edited form as: J Ultrasound Med. 2017 Mar 4;36(6):1109–1115. doi: 10.7863/ultra.16.06044

Table 2.

Participant Demographics (N = 2271)

Category N (%)
Age (years)
 13 223 (9.8%)
 14 693 (30.5%)
 15 372 (16.4%)
 16 271 (11.9%)
 17 148 (6.5%)
 18 161 (7.1%)
 19–20 264 (11.6%)
 21+ 109 (4.8%)
 No response 30 (1.3%)
Sex
 Male 1455 (64.1%)
 Female 814 (35.8%)
 No response 2 (0.1%)
Body mass index
 <18.5 267 (11.8%)
 18.5–24.999 1467 (64.6%)
 25.0–29.999 382 (16.8%)
 >= 30 123 (5.4%)
 No response 32 (1.4%)
Racea
 White 1296 (57%)
 Latino 462 (20.3%)
 Asian 293 (12.9%)
 Black 215 (9.5%)
 Other 137 (6.0%)
 No response 152 (6.7%)
a

Multiple responses allowed.