Skip to main content

Table 1 Characteristics of the study population when the child is six months

From: Factors associated with maternal overall quality of life six months postpartum: a cross sectional study from The Norwegian Mother, Father and Child Cohort Study

Child (N = 86,724)

mean (SD)

n (%)

mean (SD)

Median (range)

Male n (%)

40,205 (51.0)

  

Missing (n = 7947)

   

Gestation age

  ≥37 weeks

70,815 (95.0)

  

  32–36 weeks

3231 (4.3)

  

  28–31 weeks

309 (0.4)

  

  < 28 weeks

192 (0.3)

  

Missing (n = 12,177)

   

Birth weight in grams

78,816

 

3600 (500, 5960)

Missing (n = 7908)

   

Mother (N = 86,724)

  

Maternal age

82,377

29.8 (4.5)

 

Missing (n = 4387)

   

Maternal education a

   

  low

26,607 (34.0)

  

  medium

32,941 (42.0)

  

  high

18,836 (24.0)

  

Missing (n = 8340)

   

Work status b

   

  Education

4930 (6.0)

  

  Employed

68,153 (83.1)

  

  Other

8938 (10.9)

  

Missing (n = 4703)

   

Marital status c

   

  Married/co-habiting

80,333 (97.9)

  

Missing (n = 4640)

   
  1. aEducation at 16–20 weeks of pregnancy: low education = completed primary school and or lower and upper secondary school. Medium education = completed college / university 1–3 years. High education = completed college / university 4 years
  2. bWork Status at 16–20 weeks of pregnancy: education = student, at home, trainee, military service. Employed = employed in the public or private sector. Other = unemployed
  3. cMarital status at 16–20 weeks of pregnancy
Back to article page

BMC Pregnancy and Childbirth

ISSN: 1471-2393

Contact us