Mean POHP Differences 2000-2004: age 3: 2.7 cm; age 4: 1.7 cm; age 5: 2.7 cm
Mean ByWt Differences 2000-2004: age 3: 0.3 kg; age 4: 0.3 kg; age 5: 0.8 kg
Representing a divergence in body size of between 0.5 and 1.0 SD