Skip to main content
. 2010 Sep;15(7):419–426. doi: 10.1093/pch/15.7.419

TABLE 2.

Criteria used by practitioners to diagnose overweight and obesity, by age group

Identification criteria by age group Overweight
Obesity
FPs
CPs
FPs
CPs
n (%) 95% CI n (%) 95% CI n (%) 95% CI n (%) 95% CI
Preschoolers (2–5 years) 340 304 337 304
  >120% of ideal body weight 55 (16) 12–20 112 (37) 32–42**
  Weight-for-height >85th percentile 43 (13) 9–17 57 (19) 15–23 18 (5) 3–7 18 (6) 3–9
  Weight-for-height >95th percentile 81 (24) 19–29 127 (42) 36–48** 181 (54) 49–59 133 (44) 38–50
  A BMI >25 kg/m2 for overweight or >30 kg/m2 for obesity 32 (9) 6–12 37 (12) 8–16 61 (18) 14–22 72 (24) 19–29
  BMI-for-age >85th percentile 146 (43) 38–48 94 (31) 26–36* 9 (3) 1–5 14 (5) 3–7
  BMI-for-age >95th percentile 82 (24) 19–29 73 (24) 19–29 111 (33) 28–38 149 (49) 43–55*
Children (6–12 years) 368 314 360 314
  >120% of ideal body weight 69 (19) 15–24 111 (35) 30–40*
  Weight-for-height >85th percentile 77 (21) 17–26 81 (26) 21–31 19 (5) 3–7 23 (7) 4–10
  Weight-for-height >95th percentile 107 (29) 25–34 151 (48) 42–54** 167 (46) 41–51 129 (41) 36–46
  A BMI >25 kg/m2 for overweight or >30 kg/m2 for obesity 39 (11) 8–15 41 (13) 9–17 107 (30) 25–35 102 (33) 28–38
  BMI-for-age >85th percentile 137 (37) 32–42 95 (30) 25–35 13 (4) 2–6 22 (7) 4–10
  BMI-for-age >95th percentile 91 (25) 21–30 73 (23) 18–28 136 (38) 33–43 171 (55) 49–61*
Adolescents (13–18 years) 404 320 382 312
  >120% of ideal body weight 77 (19) 15–23 109 (34) 29–39*
  Weight-for-height >85th percentile 86 (21) 17–25 89 (28) 23–33 14 (4) 2–6 24 (8) 5–11
  Weight-for-height >95th percentile 50 (12) 9–15 70 (22) 17–27* 108 (28) 23–33 123 (39) 34–44*
  A BMI >25 kg/m2 for overweight or >30 kg/m2 for obesity 216 (54) 49–59 104 (33) 28–38** 226 (59) 54–64 117 (38) 33–43*
  BMI-for-age >85th percentile 103 (26) 22–30 160 (50) 45–55** 12 (3) 1–5 28 (9) 6–12
  BMI-for-age >95th percentile 38 (9) 6–12 48 (15) 11–19 124 (33) 28–38 181 (58) 53–63**

Subjects with missing values were excluded.

*

P<0.05;

**

P<0.01 by χ2 test. BMI Body mass index; CPs Community paediatrician; FPs Family physician