Table 2 Infant and maternal characteristics by status of severely underweight at 30 days of age.

From: Weight change in the first 30 days among infants born less than 2000 grams in Guinea-Bissau and Uganda

 

Severely underweight at 30 days of age

 

No

Yes

No vs yes p-value

Number (%)

 

20 (19.6)

82 (80.4)

 

Site, n (%)

Guinea-Bissau

7 (14.6)

41 (85.4)

0.228

 

Uganda

13 (24.1)

41 (75.9)

 

Infant characteristics

    

Infant’s sex, n (%)

Male

9 (17.0)

44 (83.0)

0.487

 

Female

11 (22.4)

38 (77.6)

 

Method of delivery, n (%)

Vaginal

15 (19.5)

62 (80.5)

1.000

 

Cesarean

5 (20.0)

20 (80.0)

 

Infant’s weight at birth in grams, mean (SD)

 

1890 (89)

1730 (145)

 < 0.001

Percent of birth weight lost at weight nadir, mean (SD)

 

-5.43 (2.83)

-8.93 (4.46)

 < 0.001

Infant’s length at birth in cm, mean (SD)

 

42.55 (1.87)

40.88 (2.06)

0.001

Infant’s mid-upper arm circumference at birth in cm, mean (SD)

 

8.47 (0.72)

8.26 (1.07)

0.409

Adverse events through day 30, n (%)

Any

10 (30.3)

23 (69.7)

0.060

 

None

10 (14.5)

59 (85.5)

 

Maternal characteristics

    

Mother’s age in years, mean (SD)

 

23.75 (5.64)

26.33 (6.48)

0.107

Mother’s education in years, mean (SD)

 

9.65 (2.54)

8.83 (4.11)

0.264

Mother’s marital status, n (%)

Married

15 (19.7)

61 (80.3)

1.000

 

Not married

5 (20.0)

20 (80.0)

 
  1. n, number; %, percent; SD, standard deviation.
  2. * Male infants < 2900 g and female infants < 2700 g at 30 days of age were defined as severely underweight in alignment with World Health Organization Child Growth Standards.
  3. Bolded p-values are statistically significant.