Table 1. Characteristics of Cebu Longitudinal Health and Nutrition Survey Mothers and Infants.

Infant's Variables	Description	N	Mean or Proportion	S.D.
BW1	Newborn weight at place of delivery, g	2615	3028	472
BW2	Newborn weight measured by project staff, g	3031	2994	435
HTCM	Newborn length, cm	3032	49.25	2.11
NOTONE	Weight not measured day of birth, proportion	2627	0.02	0.14
NOTPROJ	Infant not weighed on project scale	2593	0.32	0.47
WHENBW2	Infant age at weighing by project staff, days	3031	4.49	4.38
BALGA	Gestational age from Ballard assessment, weeks	597	3.66	0.04
LMPGA	Gestational age from LMP date, weeks	2843	3.66	0.07
WHENBAL	Infant age at Ballard assessment, days	597	3.58	1.80
GIRL	Infant sex=female, proportion	3059	0.47
Mother's Variables	Description	N	Mean or Proportion	S.D.
MOHT	Height, cm	3059	150.56	5.00
AMA	Arm muscle area during pregnancy at baseline, cm2	3058	34.10	5.59
AFA	Arm fat area during pregnancy at baseline, cm2	3058	14.73	5.67
SMOKERS	Smoked during pregnancy, proportion	3059	0.13	0.34
FIRSTPRG	Primiparous, proportion	3059	0.22	0.42
YOUNGER	Age < 20 y	3059	0.13	0.34
OLDER	Age > 35 y	3059	0.10	0.30
Mother's Background Variables	Description	N	Mean or Proportion	S.D.
INGESTWK	Gestation week at baseline	3059	30.00	4.78
PNIRONVIT	Took prenatal vitamins or iron during pregnancy, proportion	3059	0.58	0.49
NPISHORT	Pregnancy interval < 38 weeks, proportion	3059	0.27	0.45
NUPUB	Number of prenatal visits to public clinic	3059	1.12	1.51
NUPRV	Number of prenatal visits to private clinic	3059	0.61	1.56
MOINSUR	Has health insurance, proportion	3059	0.10	0.30
DYHHTOT	Total household income deflated, baseline	3038	283.52	531.36
MOTGRD	Highest grade completed	3059	7.10	3.30