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Table 3 summary of the distribution of selected demographic variables among newborns and infants

From: Robust reference intervals for Liver function test (LFT) analytes in newborns and infants

Demographic variables

Newborns (n = 60)

Infants (n = 57)

p-value

Height

x – = 50.9 cm SD = 3.1 cm

x – = 60.5 cm SD = 8.5 cm

 

Weight

x – = 3120.0 g SD = 411.7 g

x – = 6956.1 g SD = 1996.2 g

 

Head circumference

x – = 35.3 cm SD = 3.1 cm

x – = 43.7 cm SD = 3.3 cm

 

Mode of deliveries

   

Normal vaginal delivery

n = 43 (71.7%)

NA

NA

Cesarean section

n = 17 (28.3%)

  

Sex

   

Male

n = 32 (46.7%)

n = 31 (54.4%)

P = 0.9431 §

Female

n = 28 (53.3%)

n = 26 (45.6%)

 

Maternal educational level

   

Unable to write and read

n = 7 (11.7%)

n = 7 (12.3%)

 

Below 8th grade

n = 22 (36.7%)

n = 34 (59.6%)

P = 0.0380 §

High school complete

n = 16 (26.7%)

n = 11 (19.3%)

 

Certificate and above

n = 15 (25%)

n = 5 (8.8%)

 

Maternal occupation

   

House wives

n = 41(68.3%)

n = 18 (31.6%)

 

Employed

n = 10 (16.7%)

n = 7 (12.3%)

P < 0.0001 §

Private business

n = 7 (11.7%)

n = 9 (15.8%)

 

Jobless

n = 2 (3.3%)

n = 23 (40.4%)

 

Maternal parity

   

Primiparous

n = 39 (65%)

n = 27 (47.4%)

P = 0.0826 §

Multiparous

n = 21 (35%)

n = 30 (52.6%)

 

Maternal alcohol consumption

   

Yes

n = 11 (18.3%)

n = 2 (4.3%)

P = 0.0605 §

No

n = 49 (81.7%)

n = 44 (95.7%)

 

Maternal chat chewing

   

Yes

n = 0 (0%)

n = 3 (6.5%)

P = 0.1568 §

No

n = 60 (100%)

n = 43 (93.5%)

 

Maternal cigarette smoking

   

Yes

n = 0 (0%)

n = 0 (0%)

P = 0.2067 §

No

n = 60 (100%)

n = 57 (100%)

 
  1. § chi-square test, NA = not available, n = number, cm = centimeter, g = gram, x– = mean, SD = standard deviation.