TABLE 1

Terminology for BMI Categories

BMI CategoryFormer TerminologyRecommended Terminology
<5th percentileUnderweightUnderweight
5th–84th percentileHealthy weightHealthy weight
85th–94th percentileAt risk of overweightabOverweightc
≥95th percentileOverweightab or obesityaObesitycd
  • a Expert committee recommendations, 1998.15

  • b CDC recommendations, 2002.2

  • c International Obesity Task Force, 2000.45

  • d Institute of Medicine, 2005.16