Table 2.

Z scores of the infants’ length, weight, and head circumference

Months	2	6	12
Length
Mean ± SD; median 95 % CI	0.18 ± 0.91; 0.04 (−0.13)-(0.48)	0.36 ± 0.93;0.14 (0.052)-(0.67)	0.56 ± 0.92;0.34 (0.26)-(0.86)
Weight
Mean ± SD; median 95%CI	0.22 ± 1.07; 0.15 (−0.13)-(0.57)	0.22 ± 0.96; 0.46 (−0.1)-(0.54)	0.10 ± 0.94;0.12 (−0.21)-(0.41)
Head circumference
Mean ± SD; median 95 % CI	−0.33 ± 1.08;-0.50 (−0.68)-(0.03)	−0.35 ± 0.88;-0.68 (−0.64)-(−0.06)	−0.36 ± 0.89; −0.62 (−0.65)-(−0.07)

Values are mean ± SD, median levels, and 95 % CIs. CI confidence interval