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Table 1 Descriptive Characteristics of Participants

From: Classification of gastrointestinal symptom patterns in young adults

Variable n %
Age
 18 515 53.9%
 19 222 23.2%
 20 94 9.8%
 21 52 5.4%
 22 33 3.5%
 23 19 2.0%
 24 10 1.0%
 25 11 1.2%
Sex
 Male 399 41.7%
 Female 557 58.3%
Race/ethnicity
 Non-Hispanic white 548 57.3%
 Non-Hispanic black 114 11.9%
 Puerto Rican 51 5.3%
 Mexican-American 14 1.5%
 Other Hispanic 108 11.3%
 Asians 92 9.6%
 American Indian 10 1.0%
 Other 19 2.0%
 Identified with 2+ ethnicities 81 8.5%
Living Arrangements
 On campus 474 49.6%
 Off campus 482 50.4%
Total Household Income
 0–50,000 362 37.9%
 50,001-100,000 295 30.9%
 100,001-150,000 166 17.4%
  ≥ 150,001 133 13.9%
Health
 Allergies 300 31.4%
 Currently taking antibiotics 48 5.0%
 Taking antibiotics past 2 months 197 20.6%
 Taking probiotics 89 9.3%
 Taking multivitamins 356 37.2%
 Currently a smoker 130 13.6%
Body Mass Index (BMI)
 Underweight ≤18.5 47 7.9%
 Normal weight = 18.5–24.9 629 65.8%
 Overweight = 25–29.9 168 17.6%
 Obesity = BMI of 30 or greater 112 11.7%