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. 2014 Feb 5;9(2):e87756. doi: 10.1371/journal.pone.0087756

Table 1. Participant characteristics.

All Underweight(BMI <18.5) Normal weight (BMI 18.5–25) Overweight (BMI 25–30) Obese (BMI >30)
n 532 9 169 155 199
BMI, mean (SD) 29.0 (7.02) 17.4 (0.76) 22.5 (1.71) 27.4 (1.44) 36.2 (5.63)
Age, mean (SD) 26.5 (6.71) 22.9 (4.78) 25.3 (6.22) 25.9 (6.16) 28.3 (7.22)
Female 62% 89% 69% 65% 53%
Birth country
United States 73% 78% 68% 76% 75%
Canada 9% 11% 10% 8% 9%
United Kingdom 4% 0% 4% 3% 4%
Australia 3% 0% 2% 4% 4%
Other 12% 11% 17% 9% 9%