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. Author manuscript; available in PMC: 2012 Dec 21.
Published in final edited form as: Infant Ment Health J. 2009 September-October;30(5):433–451. doi: 10.1002/imhj.20223

Table 1.

Sociodemographic Characteristics of the Participants

Latin American
n = 31
Japanese
American
n = 36
European
American
n= 44
Differences
Child
Gender
(girls:boys)
13:18 18:18 22:22 χ2 (2, N = 111) = 0.58, ns
Agea
(months)
20.43
(0.70)
20.16
(0.58)
20.13
(0.20)
F (2, 107) = 3.65, p < .05
Mother
Age 33.34
(4.94)
33.22
(4.06)
34.41
(4.79)
F (2, 108) = 0.82, ns
Education b 5.97
(0.81)
5.64
(0.80)
6.20
(0.63)
F (2, 107) = 5.81, p < .01
Hours of work
per weekc
31.08
(15.26)
29.23
(19.38)
26.13
(12.98)
F (2, 71) = 0.77, ns

Notes. M (SD) unless otherwise specified. Sample sizes for some analyses are smaller due to missing data.

a

Latin American children were older than European American children.

b

Because differences exist between countries in the duration, quality, and content of schooling, bicultural researchers adjusted mothers’ years of schooling so that the scales were equivalent to the 7-point Hollingshead (1975) index. European American mothers had more years of schooling than Japanese American mothers.

c

Only working mothers were included in this analysis.