Spending the first year of a child's life in a nursery can cause anxiety  In our study, 464 children between the ages of 12 and 13 were tested with a situational test designed to test the relationship between children's 1-year-old status and their attachment to their mothers  The result: 41 5 percent of children who had been in day care and 25
The children in the study were not randomly selected for either day care or home care. As a result, there is likely to be a systematic difference between the families of the two groups of children.
7 percent of children who had been home care were rated as anxious and overly dependent on their mothers