Children develop different patterns of attachment based on interactions with their caregivers at young age (Wikipedia). Certain study attempt to find the association between Child Care and Attachment Pattern Classification. Below table summarizes the collected data.

Hours in Cthd Care Low Moderate High Attachment Pattern [0-3 hours} {4-19 hours) [20-54 hours} Secure 24 35 5 Anxious 11 10 8