The ALADINO Study: A National Study of Prevalence of Overweight and Obesity in Spanish Children in 2011
Table 3
Prevalence of obesity, by sex and age, as determined using the different sets of criteria.
Prevalence of obesity (95% CI)
McNemar test for comparison of proportions returned by the different sets of criteria
SPA*
95% CI
IOTF†
95% CI
WHO‡
95% CI
SPA-WHO
IOTF-WHO
SPA-IOTF
Both sexes
All
7,659
16.8
(16.0–17.6)
11.0
(10.3–11.7)
18.3
(17.4–19.2)
<0.001
<0.001
<0.001
6 years
1,829
11.5
(10.0–12.9)
10.4
(9.0–11.8)
15.0
(13.4–16.6)
<0.001
<0.001
0.016
7 years
1,861
15.8
(14.1–17.4)
12.4
(10.9–13.9)
19.1
(17.3–20.9)
<0.001
<0.001
<0.001
8 years
1,961
18.0
(16.3–19.7)
10.4
(9.1–11.8)
19.0
(17.3–20.7)
0.001
<0.001
<0.001
9 years
2,009
22.4
(20.3–24.5)
11.4
(9.8–13.0)
20.9
(18.8–23.0)
<0.001
<0.001
<0.001
Boys
All
3,931
19.3
(18.0–20.5)
10.9
(9.9–11.8)
20.9
(19.6–22.2)
<0.001
<0.001
<0.001
6 years
927
14.0
(11.8–16.2)
9.9
(8.0–11.8)
16.3
(14.0–18.7)
<0.001
<0.001
<0.001
7 years
954
18.6
(16.2–21.1)
12.8
(10.7–14.9)
22.1
(19.5–24.8)
<0.001
<0.001
<0.001
8 years
1,018
20.2
(17.7–22.7)
10.1
(8.2–11.9)
21.5
(19.0–24.1)
0.001
<0.001
<0.001
9 years
1,032
23.6
(21.0–26.2)
10.7
(8.8–12.6)
23.2
(20.6–25.8)
0.344
<0.001
<0.001
Girls
All
3,728
14.2
(13.1–15.3)
11.2
(10.2–12.2)
15.5
(14.4–16.7)
<0.001
<0.001
<0.001
6 years
901
8.8
(7.0–10.7)
10.9
(8.9–12.9)
13.6
(11.4–15.8)
<0.001
<0.001
<0.001
7 years
907
12.7
(10.6–14.9)
12.0
(9.9–14.2)
16.0
(13.6–18.4)
<0.001
<0.001
0.109
8 years
943
15.6
(13.2–17.9)
10.8
(8.8–12.8)
16.3
(13.9–18.6)
0.065
<0.001
<0.001
9 years
977
19.2
(16.7–21.7)
11.2
(9.2–13.1)
16.2
(13.9–18.5)
<0.001
<0.001
<0.001
Prevalence calculated using SPART criteria (BMI ≥ P97). Prevalence calculated using IOTF reference values (cut-off point corresponding to an adult BMI ≥ 30 kg/m2). Prevalence calculated with WHO growth standards (BMI ≥ 2 SD). McNemar test for comparison of prevalence of overweight returned using the SPART and WHO criteria. McNemar test for comparison of prevalence of overweight returned using IOTF and WHO criteria. McNemar test for comparison of prevalence of overweight returned using the SPART and IOTF criteria.
