Gestational Weight Gain %		p-Value	Birth Weight	LGA, n = 20	p-Value
	Insufficient	Excessive		SGA, n = 108
Chronological age (years)
≤15, n = 204	31.9	39.7	0.038	22.5	3.4	0.601
≥16, n = 326	42.9	32.5		19.0	4.0
Beginning antenatal care
First, n = 89	37.1	33.7	0.762	15.7	3.4	0.134
Second, n = 338	37.9	37.0		21.0	5.0
Third, n = 103	42.7	31.1		22.3	0.0
Marital status
Single, n = 323	37.8	37.2	0.525	20.4	4.3	0.694
Cohabiting, n = 207	40.1	32.4		20.3	2.9
Occupation
Student, n = 57	42.1	36.8	0.655	19.3	1.8	0.668
Housewife, n = 473	38.3	35.1		20.5	4.0
Socioeconomic level
Middle, n = 143	38.5	37.1	0.464	18.9	2.8	0.292
Low, n = 213	34.7	37.1		17.8	3.3
Very low, n = 174	43.7	31.6		24.7	5.1
School dropout
No, n = 193	37.3	38.3	0.526	19.2	3.6	0.858
Yes, n = 337	39.5	33.5		21.1	3.9
Gestational age
Term >37, n = 473	40.0	34.7	0.215	19.9	3.6	0.550
Preterm, n = 57	28.1	40.4		26.4	5.3
Number of prenatal visits
≤6, n = 437	41.6	33.9	0.459	19.7	3.4	0.877
≥7, n = 93	36.4	36.4		20.9	4.0
Percentages estimated by rows. SGA: small for gestational age. LGA: large for gestational age. p-value determined by Pearson’s Chi-Square.