Table 1 Characteristics of girls at different maturational stages. The Growth and Obesity Cohort Study
From: Breast composition during and after puberty: the Chilean Growth and Obesity Cohort Study
Tanner B4 n = 388 | Tanner B5 n = 183 | 1 year after menarche n = 144 | 2 years after menarche n = 369 | 4 years after menarche n = 373 | |
|---|---|---|---|---|---|
mean (sd) | mean (sd) | mean (sd) | mean (sd) | mean (sd) | |
Age (years) | 11.3(0.8) | 11.7(0.7) | 12.6 (1.2) | 14.0 (1.1) | 16.0 (0.8) |
Weight (kgs) | 45.7 (8.8) | 51.0 (10.0) | 56.0 (10.5) | 59.0 (12.9) | 61.9 (12.4) |
Height (cms) | 149.5 (6.7) | 153.6 (5.4) | 156.5 (6.3) | 158.2 (6.1) | 159.4 (5.8) |
BMI (kgs/mt2) | 20.4 (3.2) | 21.9 (3.8) | 22.8 (3.8) | 23.5 (4.6) | 24.3 (4.4) |
Height z-score | 0.4(1.0) | 0.5(0.9) | 0.4(0.9) | -0.1(0.9) | -0.4 (0.8) |
BMI z-score | 0.9(1.0) | 1.2(1.1) | 1.2(1.0) | 1.0(1.1) | 0.9 (1.0) |
Nutritional Status (n,%) | |||||
Normal (1sd) | 226 (50.0) | 76 (38.8) | 58 (40.3) | 158 (48.6) | 202 (55.5) |
Overweight (1-2sd) | 162 (35.8) | 74 (37.8) | 80 (34.7) | 109 (33.5) | 106 (29.1) |
Obese (> 2sd) | 64 (14.2) | 46 (23.5) | 36 (25.0) | 58 (17.9) | 56 (15.4) |
%FGV | 42.7 (16.1) | 45.0 (15.8) | 49.9 (14.3) | 50.0 (14.9) | 49.5 (15.6) |
AFGV | 91.3 (40.3) | 133.5 (54.2) | 186.6 (71.5) | 215.8 (76.4) | 223.1 (82.9) |
BV | 231.5 (103.3) | 318.7 (139.6) | 400.6 (178.7) | 460.5 (198.4) | 491.0 (226.6) |