Table 1 Socio-demographic characteristics, nutritional status, history of blood loss, and dietary practice of the study participants
Socio-demographic characteristics | n | % |
|---|---|---|
Age (year) | ||
 18–19 | 111 | 30.0 |
 20–24 | 209 | 56.5 |
  ≥ 25 | 50 | 13.5 |
BMI (kg/m2) | ||
 Underweight: <  18.5 | 78 | 21.1 |
 Normal: 18.5–24.9 | 259 | 70.0 |
 Overweight: 25.0–29.9 | 28 | 7.6 |
 Obese: ≥ 30 | 5 | 1.4 |
Education Level | ||
 High school | 11 | 3.0 |
 Bachelor’s degree studying | 312 | 84.3 |
 Master’s degree or Doctorate degree | 47 | 12.7 |
Occupation | ||
 Student | 331 | 89.5 |
 Teacher/Researcher/Medical Personal | 39 | 10.5 |
Family income (Baht/month) | ||
  < 10,000 | 54 | 14.6 |
 10,000 – 20,000 | 149 | 40.3 |
 20,000 – 30,000 | 58 | 15.7 |
  > 30,000 | 101 | 27.3 |
Blood loss history | ||
 Blood donation in recent 3 months | ||
  No | 335 | 90.5 |
  Yes | 31 | 8.4 |
 Length of menstruation | ||
   < 3 days | 29 | 7.8 |
  3–5 days | 260 | 70.3 |
   > 5 days | 77 | 20.8 |
 Blood loss during menstruation/daya | ||
  Low | 143 | 38.6 |
  Moderate to high | 160 | 43.2 |
  No idea | 54 | 14.6 |
Dietary practice | ||
 Red meat (beef) consumption | ||
  No | 64 | 17.3 |
  Yes | 302 | 81.6 |
 Drink tea/coffee | ||
  No | 93 | 25.2 |
  Yes | 276 | 74.8 |