Table 1.

Sample Characteristics

CharacteristicCategoryValues
Child
 GenderFemale10 (48%)
Male11 (52%)
 Age (mo) at start of studyMean ± SD14.4 ± 4.9
Range6.8–22.5
 Number of siblingsNone7 (33%)
111 (52%)
2 or more3 (14%)
 Family configurationNuclear18 (86%)
Sole mother3 (14%)
Parent
 Age (y) at start of study (mean ± SD)Mother35.8 ± 4.0
Father35.2 ± 4.3
 Days worked per wk (mean ± SD)Mother 3.9 ± 1.1
Father 5.5 ± 0.7
 Tertiary educationMother16 (75%)
Father10 (48%)