Sampling errors Population aged 18 years old and over. Variation coefficients, by sex, age and body mass index Units: percentages ;Insufficient weight (<18.5 Kg/m2);Normal weight (18.5 - 24.9 Kg/m2);Overweight (25.0 - 29.9 Kg/m2);Obesity (>=30 Kg/m2); Both sexes; Total;6.56;1.26;1.31;2.14; 18 to 24 years of age;12.37;3.77;8.04;15.13; 25 to 34 years of age;11.77;2.85;3.88;6.50; 35 to 44 years of age;13.61;2.59;2.97;4.89; 45 to 54 years of age;25.03;3.18;3.02;4.99; 55 to 64 years of age;26.98;3.99;3.30;4.57; 65 to 74 years of age;31.15;4.88;3.40;4.73; 75 and over;21.27;4.70;4.14;5.82; Males; Total;21.40;2.27;1.87;3.31; 18 to 24 years of age;33.80;5.35;10.27;19.94; 25 to 34 years of age;43.40;4.88;5.09;9.22; 35 to 44 years of age;73.46;4.58;3.83;6.95; 45 to 54 years of age;62.05;5.81;4.23;7.02; 55 to 64 years of age;59.01;6.66;4.91;7.53; 65 to 74 years of age;48.63;7.40;4.93;7.61; 75 and over;55.66;6.86;5.55;9.50; Females; Total;6.80;1.54;1.98;2.74; 18 to 24 years of age;12.82;5.36;11.90;21.74; 25 to 34 years of age;12.16;3.27;5.65;9.20; 35 to 44 years of age;13.86;2.97;4.58;6.95; 45 to 54 years of age;26.99;3.76;4.38;6.81; 55 to 64 years of age;29.30;4.96;4.25;5.58; 65 to 74 years of age;35.06;6.18;4.62;5.75; 75 and over;23.02;6.44;5.68;7.43; Notes: Source: Ministry of Health and Consumption and INE