Table 1 Descriptive statistics for anthropometric variables before and after removing population outliers. Brazilian Food and Nutrition Surveillance System (SISVAN), 2008–2017. Notes: POs: population outliers, SD: standard deviation, L/HAZ: length/height-for-age z-score, WAZ: weight-for-age z-score
Initial dataset | Dataset after removing POs | Dataset after removing children with only one measurement | ||||
|---|---|---|---|---|---|---|
Mean (SD) | Min; Max | Mean (SD) | Min; Max | Mean (SD) | Min; Max | |
Boys | ||||||
Age (months) | 31.41 (16.55) | 0.00; 59.00 | 31.47 (16.54) | 0.00; 59.00 | 31.45 (16.53) | 0.00; 59.00 |
Length/height (cm) | 136.40 (5914.07) | 0.00; 993,900.00 | 90.04 (14.54) | 45.00; 120.00 | 90.02 (14.53) | 45.00; 120.00 |
L/HAZ | 15.40 (2034.79) | -32.10; 433,915.30 | -0.36 (1.54) | -6.00; 6.00 | -0.36 (1.53) | -6.00; 6.00 |
Number of measurements | 4.68 (4.08) | 2;145 | 4.43 (3.99) | 1; 113 | 4.58 (4.01) | 2; 113 |
Age (months) | 31.41 (16.55) | 0.00; 59.00 | 31.41 (16.54) | 0.00; 59.00 | 31.38 (16.54) | 0.00; 59.00 |
Weight (kg) | 15.50 (141.90) | 0.00; 147,000.00 | 13.60 (4.03) | 1.70; 34.80 | 13.59 (4.02) | 1.70; 34.70 |
WAZ | 1.03 (65.04) | -11.50; 55,404.92 | 0.08 (1.25) | -6.00; 5.00 | 0.08 (1.24) | -6.00; 5.00 |
Number of measurements | 4.68 (4.08) | 2; 145 | 4.46 (4.00) | 1; 113 | 4.59 (4.02) | 2; 113 |
Girls | ||||||
Age (months) | 31.76 (16.51) | 0.00; 59.00 | 31.86 (16.50) | 0.00; 59.00 | 31.84 (16.50) | 0.00; 59.00 |
Length/height (cm) | 126.70 (5325.19) | 0.00; 990,000.00 | 89.40 (14.66) | 45.00; 120.00 | 89.38 (14.66) | 45.00; 120.00 |
L/HAZ | 11.50 (1681.45) | -29.10; 381,301.70 | -0.29 (1.49) | -6.00; 6.00 | -0.29 (1.49) | -6.00; 6.00 |
Number of measurements | 4.63 (3.98) | 2; 88 | 4.39 (3.90) | 1; 88 | 4.53 (3.92) | 2; 88 |
Age (months) | 31.76 (16.51) | 0.00; 59.00 | 31.80 (16.50) | 0.00; 59.00 | 31.77 (16.50) | 0.00; 59.00 |
Weight (kg) | 15.07 (143.34) | 0.00; 263,642.00 | 13.24 (4.09) | 1.70; 36.80 | 13.23 (4.08) | 1.70; 36.80 |
WAZ | 0.89 (53.86) | -11.32; 65,928.75 | 0.09 (1.20) | -6.00; 5.00 | 0.09 (1.20) | -6.00; 5.00 |
Number of measurements | 4.63 (3.98) | 2; 88 | 4.42 (3.91) | 1; 88 | 4.54 (3.92) | 2; 88 |