Table 2 Mean age (years), height (cms), body weight in kgs (SD) and mean three, five and ten percentage loads in kgs (SD). Significant gender differences in height and body weight within year levels are highlighted by italics.
From: Adolescent standing postural response to backpack loads: a randomised controlled experimental study
Mean age years (SD) | Mean height cms (SD) | Mean body weight kgs (SD) | Mean 3% body weight (SD) | Mean 5% body weight (SD) | Mean 10% body weight (SD) | ||
|---|---|---|---|---|---|---|---|
Year 8 | Boys | 12.9 (0.5) | 161.6 (8.1) | 54 (11.4) | 1.6 (0.3) | 2.7 (0.6) | 5.4 (1.1) |
Girls | 12.8 (0.5) | 161.5 (5.7) | 50.6 (7.4) | 1.5 (0.2) | 2.5 (0.4) | 5.1 (0.7) | |
Year 9 | Boys | 13.8 (0.4) | 170.1 (8.4) | 56.5 (8.0) | 1.7 (0.2) | 2.8 (0.4) | 5.7 (0.8) |
Girls | 13.8 (0.5) | 161.7 (7.1) | 53.9 (9.6) | 1.6 (0.3) | 2.7 (0.5) | 5.4 (1.0) | |
Year 10 | Boys | 14.9 (0.6) | 175.9 (5.8) | 63.9 (16.0) | 2.1 (0.5) | 3.5 (0.8) | 6.9 (1.7) |
Girls | 14.8 (0.5) | 163.7 (6.0) | 58.2 (13.8) | 1.7 (0.4) | 2.9 (0.7) | 5.8 (1.4) | |
Year 11 | Boys | 15.8 (0.6) | 179.5 (6.9) | 71.0 (8.8) | 2.1 (0.3) | 3.5 (0.4) | 7.1 (0.9) |
Girls | 15.8 (0.5) | 166.3 (6.9) | 59.3 (6.4) | 1.8 (0.2) | 3.0 (0.3) | 5.9 (0.6) | |
Year 12 | Boys | 16.7 (0.5) | 178.6 (6.1) | 74.6 (19.6) | 2.2 (0.6) | 3.7 (1.0) | 7.5 (2.0) |
Girls | 16.8 (0.5) | 165.0 (5.6) | 61.9 (10.3) | 1.9 (0.3) | 3.1 (0.5) | 6.2 (1.0) |