The associations of parity and maternal age with small-for-gestational-age, preterm, and neonatal and infant mortality: a meta-analysis

Table 1 Description of studies included in the analysis

听	Country	N	Type of study	Setting	Facility delivery rate	% LBW	Method of gestational age measurement
Asia	India (2000)[25]	12,936	RCT of newborn Vitamin A supplementation	Rural	63	33	LMP
听	Nepal (1999)[26]	4,130	Cluster RCT of multiple micronutrient supplementation	Rural	6	39	LMP
听	Nepal (2003)[28]	1,106	RCT of antenatal micronutrient supplementation	Peri-urban	53	22	Ultrasound
听	Nepal (2004)[27]	23,662	Cluster RCT of newborn skin-umbilical cord cleansing with chlorhexidine	Rural	10	30	LMP
听	Philippines (1983)[29]	3,080	Longitudinal Health-nutritional survey of infant feeding patterns	Urban	34	11	LMP, Ballard
听	Thai (2001)[30]	4,245	Prospective follow-up of birth cohort	Urban	99	8	Best obstetric estimate (LMP, ultrasound or neonatal assessment)
Africa	Burkina Faso (2004)[31]	1,373	RCT of multiple micronutrient supplementation	Rural	77	17	Ultrasound at recruitment
听	Burkina Faso (2006)[34]	1,316	RCT of maternal fortified food supplementation	Rural	84	16	Ultrasound at recruitment
听	Tanzania (2001)[32]	7,752	RCT of maternal multiple micronutrient supplementation	Urban	98	10	LMP
听	Zimbabwe (1997)[33, 35]	14,110	RCT of postpartum maternal and neonatal Vitamin A supplementation	Urban	88	14	Capurro
Americas	Brazil (1982)[21]	5,914	Prospective cohort study	Urban	100	7	LMP
听	Brazil (1993)[22]	5,279	Prospective cohort study	Urban	100	9	LMP, Dubowitz
听	Brazil (2004)[23]	4,287	Prospective cohort study	Urban	100	11	LMP, Dubowitz, ultrasound if available
听	Peru (1995)[24]	978	RCT of maternal zinc supplementation	Urban	100	4	LMP, clinical indications

ISSN: 1471-2458