Effect of Birth Weight and Socioeconomic Status on Children's Growth in Mashhad, Iran

Table 2

Effect of birth weight and demographic variables on height and weight.

Variables	Number (%)	Weight	𝑃-value	Height	Number (%)	𝑃-value
Mother age
<35 years (1966)	(86) (1944)	20.98±3.64	𝑃=.025	117.55±6.1	1512 (67)	𝑃=.42
≥35 years (306)	(14) (317)	21.25±3.68		117.18±6.5	749 (33)
Birth weight
≤2500 g (𝑛=2080)	2096 (91.6)	21.12±3.09	𝑃=.001	117.41±6.5		𝑃=.003
<2500 g (𝑛=190)	190 (8.4)	19.8±2.83		115.99±5.2
Number child
One child	875 (38)	21.08±3.9		117.8±5.6	875 (39)
2 child	629 (28)	20.94±3.5	𝑃=.327	17.09±6.98	624 (27)	𝑃=.25
3 child	341 (15)	21.16±3.49		117.13±5.1	340 (15)
4 child	211 (9)	20.99±3.3		117.04±8.76	210 (9)
5 children and more	214 (10)	20.54±3.34		116.84±5.03	213 (10)
Family relation ship
No	1592 (70.2)	117.37±6.06	𝑃=.347	21.05±3.63	1599 (70.2)	𝑃=.333
Yes	674 (29.8)	117.1±6.6		20.89±3.65	678 (29.8)
Sex
Male	1201 (53.9)	117.66±6.8	𝑃=.003	21.4±3.6	1205 (52.7)	𝑃=.000
Female	1024 (46)	116.8±5.51		20.5±3.6	1081 (47.3)