Anthropometric measurements can identify small for gestational age newborns: a cohort study in rural Tanzania

BMC Pediatrics

Table 1 Characteristics of the 376 women and their newborns

Characteristics	Mean ± SD^f, median (interquartile range) or number (%)
Maternal age (years)^a	26 (23.2–32.1)
Maternal Body Mass Index (kg/m²)^b
Underweight (< 18.5)	24 (6.5%)
Normal weight (18.5–24.9)	233 (63.0%)
Overweight (> 25)	113 (30.5%)
Gravidity
≤ 2	106 (28.2%)
> 2	270 (71.8%)
Parity
≤ 2	204 (54.3%)
> 2	172 (45.7%)
Malaria during pregnancy	144 (38.3%)
Hypertensive disorder during pregnancy	17(4.5%)
Gestational age at inclusion (weeks + days)^c	8 + 6 (7 + 3–13 + 3)
Gestational age at delivery (weeks + days)	40 + 0 (38 + 6–41 + 1)
Female sex	193 (51.3%)
Caesarean section	25 (6.6%)
Birth weight (g)^d	3014 ± 486
Length (cm)	48.3 ± 2.5
Foot length (cm)	7.8 ± 0.5
Chest circumference (cm)	32.4 ± 2.1
Mid upper arm circumference (cm)	10.5 ± 1.1
Small for gestational age (SGA)^e	68 (18.4%)
Low birth weight (< 2500 g) (%)	39 (10.4%)
Preterm (< 37 weeks) (%)	17 (4.5%)

^a371 women had age estimated at enrolment, ^b370 women had body mass index estimated, ^c316 (84.0%) women had gestational age estimated at ≤14 weeks, 54 (14.4%) women had gestational age estimated between 15 and 24 weeks and 6 (1.6%) had gestational age estimated at 25–28 weeks, ^d375 had BW estimated, ^e369 newborns were categorized as either SGA/non-SGA, ^fSD Standard deviation

ISSN: 1471-2431