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. Author manuscript; available in PMC: 2009 May 11.
Published in final edited form as: Infant Ment Health J. 2004 Nov 1;25(6):556–579. doi: 10.1002/imhj.20027

TABLE 1.

Change in Attachment Patterns at 18 Months of Infant Age

Infant–Mother Attachment
18 Month
12 Month n Secure Avoidant Resistant Disorganized
Secure 141 105 (48%) 13 12 11
Avoidant 29 16 9 (4%) 0 4
Resistant 28 15 0 9 (4%) 4
Disorganize d 19 6 6 1 6 (3%)
Total 217 142 28 22 25
Infant–Father Attachment
18 Month

12 Month n Secure Avoidant Resistant Disorganized
Secure 123 89 (43%) 12 16 6
Avoidant 24 15 5 (2%) 0 4
Resistant 32 17 2 10 (5%) 3
Disorganize d 29 13 5 4 7 (3%)
Total 208 134 24 30 20