Table 1: Freshman, sophomore, and junior year changes in weight, body mass index, and body composition.*

Freshman year changesSophomore year changesJunior year changes

Weight (kg)
 All1.2 ± 3.1a0.5 ± 2.9a0.6 ± 3.8a
 Females0.9 ± 3.1a0.1 ± 2.6a0.0 ± 3.9a
 Males1.8 ± 3.0a1.2 ± 3.4a1.9 ± 3.2a
Body mass index (kg/m2)
 All0.4 ± 1.1a0.1 ± 1.0a0.2 ± 1.3a
 Females0.3 ± 1.1a0.0 ± 1.0a0.0 ± 1.4a
 Males0.5 ± 1.0a0.4 ± 1.1a0.6 ± 1.0a
Body fat (percentage)
 All1.6 ± 2.5a−0.1 ± 2.5b0.8 ± 2.9a,c
 Females1.3 ± 2.7a−0.3 ± 2.0b0.5 ± 3.2a,b
 Males2.2 ± 1.9a0.5 ± 3.3b1.4 ± 2.3a,b
Fat free mass (kg)
 All−0.2 ± 2.1a0.4 ± 1.7a−0.2 ± 2.0a
 Females−0.2 ± 2.1a,b0.3 ± 1.5a−0.4 ± 1.8b
 Males−0.1 ± 2.2a0.7 ± 2.1a 0.3 ± 2.5a
Fat mass (kg)
 All1.4 ± 2.2a0.0 ± 2.5b0.7 ± 3.0a,b
 Females1.1 ± 2.3a−0.2 ± 1.9b0.3 ± 3.3a,b
 Males2.0 ± 2.0a0.6 ± 3.4a1.5 ± 2.3a
Waist (cm)
 All−0.53 ± 3.12a0.46 ± 2.54a0.20 ± 3.35a
 Females−0.30 ± 2.46a0.15 ± 2.29a0.05 ± 2.77a
 Males−1.04 ± 4.27a1.17 ± 2.87a0.76 ± 4.42a

* males and females.
a,b,cValues in rows with different letters are significantly different .