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Table 2 Prevalence of obesity, overweight, normal, underweight, inactive and the mean number of meals eaten outside the home according to age group and ethnicity

From: Coming of age, becoming obese: a cross-sectional analysis of obesity among adolescents and young adults in Malaysia

  Age group / years Ethnicity
Malay Chinese Indian Orang Asli All
Obesity
(BMI ≥30 kg/m2a) prevalence / %
16–20 9.5 5.3 6.0 17.6 8.4
21–25 11.4 6.6 15.9 20.0 11.5
26–30 17.4 11.8 15.2 21.9 16.7
31–35 20.6 12.3 28.1 34.4 20.9
Overweight
(BMI 25.0–29.9 kg/m2b) prevalence / %
16–20 12.0 14.4 14.3 14.7 12.8
21–25 18.7 20.7 17.8 32.0 19.1
26–30 26.2 13.6 26.3 53.1 25.7
31–35 28.8 25.4 26.6 37.5 28.4
Normal
(BMI 18.5–24.9 kg/m2c) prevalence / %
16–20 56.8 59.8 50.0 52.9 56.7
21–25 56.6 57.9 43.9 48.0 55.3
26–30 47.5 65.5 48.5 25.0 48.8
31–35 45.2 60.1 41.7 28.1 46.1
Underweight
(BMI <18.5 kg/m2d) prevalence / %
16–20 21.7 20.6 29.7 14.7 22.1
21–25 13.4 14.9 22.4 0.0 14.1
26–30 8.9 9.1 10.1 0.0 8.7
31–35 5.4 2.2 3.6 0.0 4.6
Prevalence inactive
(<600 METs per week) / %
16–20 47.8 47.1 44.1 32.0 46.5
21–25 39.7 20.7 28.6 33.3 35.2
26–30 35.9 27.6 25.0 18.8 30.8
31–35 36.9 46.9 12.5 15.8 34.4
Mean number of meals eaten outside the home (95 % CI) 16–20 4.6 (4.3–4.9) 4.0 (3.1–4.9) 6.5 (5.9–7.2) 1.1 (0.6–1.5) 4.9 (4.6–5.2)
21–25 5.4 (5.0–5.8) 4.2 (3.0–5.3) 9.0 (7.9–10.3) 0.8 (0.3–1.3) 5.7 (5.3-6.0)
26–30 5.2 (4.8–5.5) 4.8 (3.4–6.1) 6.8 (5.6–8.0) 1.0 (0.0–2.0) 5.1 (4.8–5.4)
31–35 4.5 (4.1–4.8) 2.7 (1.9–3.5) 6.3 (5.2–7.4) 0.8 (0.2–1.5) 4.4 (4.1–4.7)
  1. Using WHO zBMI scores for 16– to 20 year-olds: a ≥ 29.3kgm2; b24.7–29.3kgm2; c18.7–24.7kgm2; d < 18.7 kg/m2