TABLE 2.

Head Measurements (All Infants)

Variable6 Weeks (n = 200)4 Months (n = 198)8 Months (n = 196)12 Months (n = 192)2 Years (n = 181)
Mean (SD)MinMaxMean (SD)MinMaxMean (SD)MinMaxMean (SD)MinMaxMean (SD)MinMax
Cephalic index83.5 (5.7)72.1103.884.9 (6.2)72.5101.383.8 (5.7)73.5103.282.9 (5.4)72.7104.181.6 (4.8)72.0102.6
OCLR103.2 (2.5)100.2112.2102.9 (2.1)100.2109.5102.5 (1.7)100.1108.1102.5 (1.7)100.2108.8102.6 (1.7)100.1109.4
HC38.2 (1.3)34.141.641.7 (1.2)38.944.844.8 (1.4)41.449.046.5 (1.4)42.849.648.6 (1.3)45.351.8
L ear angle90.2 (4.6)75.799.590.6 (3.1)82.398.389.5 (3.5)80.7102.089.3 (3.1)80.097.388.1 (3.3)80.397.0
R ear angle89.9 (4.6)80.5104.789.5 (3.1)81.797.790.5 (3.5)78.099.390.7 (3.1)83.0100.091.9 (3.3)83.099.7