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Table 1 Composition of the characteristics of the cohort at birth (1978/79) with those followed up in adulthood (2002/2004)

From: Childbearing in adolescence: intergenerational dejà-vu? Evidence from a Brazilian birth cohort

Variables

Initial population at birth 1978/79 n (%)

Individuals not interviewed in 2002/2004 n (%)

Individuals interviewed in 2002/2004 n (%)

P-value

Occupation of family head

   

0.013

 Non-manual

517 (16.2)

340 (16.0)

177 (16.7)

 

 Skilled and semi-skilled manual

1835 (57.6)

1192 (56.1)

643 (60.7)

 

 Unskilled manual or unemployed

725 (22.8)

518 (24.4)

207 (19.5)

 

 Missing

108 (3.4)

76 (3.6)

32 (3.0)

 

Mothers schooling (years)

   

< 0.001

 Up to 4

1577 (49.5)

1100 (51.7)

477 (45.0)

 

 5 to 8

786 (24.7)

491 (23.1)

295 (27.9)

 

 9 and more

738 (23.2)

468 (22.0)

270 (25.5)

 

 Missing

84 (2.6)

67 (3.2)

17 (1.6)

 

Total

3185

2126

1059