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. 2008 Jan-Mar;2(1):26–30. doi: 10.1590/S1980-57642009DN20100006

Table 1.

Mean age (in months) and number of girls and boys as functions of age group and type of school.

Age group Private Schools   Public Schools
Girls   Boys   Girls   Boys
N Mean age
(± SD)
  N Mean age
(± SD)
  N Mean age
(± SD)
  N Mean age
(± SD)
4 years; 9 months to
5 years; 5 months; and 29 days
22 60.5
(± 2.7)
  17 61.4
(± 2.2)
  17 60.1
(± 1.8)
  26 60.8
(± 2.3)
5 years; 6 months to
6 years; 5 months; and 29 days
16 71.6
(± 3.1)
  19 70.8
(± 3.7)
  22 71.9
(± 3.0)
  28 71.1
(± 3.4)
6 years; 6 months to
7 years; 5 months; and 29 days
29 84.5
(± 3.2)
  27 83.5
(± 3.5)
  19 84.2
(± 3.3)
  22 83.1
(± 3.0)
7 years; 6 months to
8 years; 5 months; and 29 days
34 94.5
(± 2.1)
  33 94.3
(± 2.2)
  28 93.2
(± 2.1)
  12 93.5
(± 1.9)