Table 2.
Weight, body mass index, and body composition changes between the college freshman and junior years.a
| Beginning of freshman year | End of junior year | Change | |
|---|---|---|---|
| Weight (kg) | |||
| All | 65.0 ± 14.7 | 67.1 ± 16.2 | 2.1 ± 4.8b |
| Females | 59.8 ± 12.1 | 61.1 ± 13.7 | 1.3 ± 4.5b |
| Males | 75.1 ± 14.0 | 78.7 ± 14.4 | 3.6 ± 4.8b |
| Body mass index (kg/m2) | |||
| All | 22.6 ± 4.2 | 23.3 ± 4.7 | 0.7 ± 1.6b |
| Females | 22.1 ± 4.0 | 22.5 ± 4.5 | 0.5 ± 1.6b |
| Males | 23.7 ± 4.6 | 24.8 ± 4.5 | 1.1 ± 1.4b |
| Body fat (percentage) | |||
| All | 18.3 ± 7.5 | 21.0 ± 7.4 | 2.7 ± 3.3b |
| Females | 22.0 ± 5.3 | 24.2 ± 5.7 | 2.2 ± 3.3b |
| Males | 11.0 ± 5.6 | 14.7 ± 6.0 | 3.7 ± 2.9b |
| Fat free mass (kg) | |||
| All | 52.8 ± 11.6 | 52.5 ± 11.8 | 0.3 ± 2.6 |
| Females | 46.1 ± 6.0 | 45.6 ± 5.9 | −0.5 ± 2.2b |
| Males | 66.2 ± 7.9 | 66.3 ± 7.8 | 0.1 ± 3.2 |
| Fat mass (kg) | |||
| All | 12.0 ± 8.1 | 14.3 ± 9.1 | 2.3 ± 3.5b |
| Females | 13.6 ± 7.5 | 15.4 ± 9.1 | 1.8 ± 3.5b |
| Males | 8.9 ± 8.6 | 12.2 ± 9.0 | −3.3 ± 3.0b |
| Waist (cm) | |||
| All | 74.60 ± 8.81 | 74.88 ± 9.37 | 0.28 ± 3.25 |
| Females | 71.22 ± 6.68 | 71.27 ± 6.68 | 0.05 ± 2.77 |
| Males | 81.69 ± 8.59 | 82.45 ± 9.73 | 0.76 ± 4.06 |
a n = 51 males, n = 98 females.
bStatistically significant (<0.05) change from freshman year.