TABLE 2.

Prevalence of overweight and obesity in children and adolescents by gender, age, areas of residence and regions.

	Overweight* (95% CI)			Obesity** (95% CI)
	Total	Males	Females	Total	Males	Females
Overall	9.1% (7.1–11.1)	9.2% (6.4–12.0)	9.1% (6.3–11.9)	6.5% (4.5–8.5)	7.4% (4.6–10.2)	5.5% (2.7–8.3)
Age (yr)
3–5	2.6% (0.5–4.7)	2.3% (−0.6–5.2)	2.8% (−0.1–5.7)	2.9% (0.9–4.9)	3.2% (0.3–6.1)	2.6% (−0.3–5.5)
6–11	4.2% (2.2–6.2)	4.3% (1.4–7.2)	4.1% (1.2–7.0)	2.7% (0.6–4.8)	3.0% (0.1–5.9)	2.3% (−0.6–5.2)
12–18	2.4% (0.4–4.4)	2.6% (−0.3–5.5)	2.2% (−0.7–5.1)	0.9% (−1.8–4.2)	1.2% (−1.8–4.2)	0.6% (−2.3–3.5)
Area of residence
Rural	3.5% (1.5–5.5)	3.4% (0.5–6.3)	3.6% (0.7–6.5)	3.9% (1.4–6.4)	3.0% (0.1–5.9)	2.3% (−0.6–5.2)
Urban	5.6% (3.6–7.6)	5.7% (2.8–5.6)	5.5% (2.7–8.3)	2.6% (0.9–4.3)	4.5% (1.6–7.4)	3.3% (0.4–6.2)
Geographic regions
Bangkok	1.0% (−1.0–3.0)	1.2% (−1.7–4.1)	0.9% (−2.0–3.8)	0.6%(−1.5–2.7)	0.8% (−2.2–3.8)	0.4% (−2.5–3.3)
Central	2.2% (0.2–4.2)	2.3% (−0.6–5.2)	2.1% (−0.8–5.0)	1.9% (−0.1–3.9)	2.1% (−0.8–5.0)	1.7% (−1.1–4.6)
North	2.0% (−0.1–4.1)	1.8% (−1.1–4.7)	2.1% (−0.8–5.0)	1.3% (−0.7–3.3)	1.7% (−1.2–4.6)	1.0% (−1.9–3.9)
South	2.3% (0.3–4.3)	2.4% (−0.5–5.3)	2.3% (−0.6–5.2)	1.6% (−0.5–3.7)	1.7% (−1.2–4.6)	1.4% (−1.5–4.3)
Northeast	1.6% (−0.5–3.7)	1.4% (−1.5–4.3)	1.8% (−1.1–4.7)	1.0% (−1.0–3.0)	1.1% (−1.9–4.1)	1.0% (−1.9–3.9)

^*Implies a body mass index (BMI) between 25 and 30 kg/m² at age 18;

^**implies a BMI>30 kg/m² at age 18.

CI: confidence interval.