Table 1

 Changes in body mass index and waist circumference in Zaragoza from 1995 to 2000–02

19952000–02p
Mean(SD)Mean(SD)
BMI (kg/m2)
Males
    13 years19.66(2.94)20.25(3.43)0.436
    14 years20.53(2.93)22.10(4.14)0.076
Females
    13 years20.04(3.11)21.76(3.64)0.004
    14 years20.03(2.40)21.40(2.83)0.027
Waist circumference (cm)
Males
    13 years70.62(7.65)73.83(10.24)0.226
    14 years72.75(6.78)77.90(11.89)0.049
Females
    13 years67.29(6.44)71.28(7.90)0.005
    14 years66.81(5.02)72.04(6.88)0.001