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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Attach Hum Dev. 2010 Jul;12(4):355–374. doi: 10.1080/14616730903416971

Table 3. Comparisons of Attachment Distributions in the Prison Nursery Sample to Meta-analyzed Distributions of Low-SES and Clinical Samples.

Comparison
Group		 Number of
Participants
Included in
Comparisons		 Two-way (F versus non-F)

Prison nursery relative to
comparison samples		 Three-way (F, Ds, E)

Prison nursery relative to
comparison samples		 Four way (F, Ds, E, U)

Prison nursery relative to
comparison samples
Low-risk
mothers
(nonclinical)
a 		Total = 748
Two-way = 700
Three-way = 748
Four-way = 700		 χ2 (1, N = 69) = 12.77, p<
0.001		 χ2 (2, N = 69) = 9.83, p < 0.001

Fewer F (41% vs 58%)
χ2 (1, N = 69) = 8.62, p < 0.01

More E (32% vs 19%)
χ2 (1, N = 69) = 6.63, p ≤ 0.01		 χ2 (3, N = 69) = 15.27, p < 0.01

Fewer F  (35% vs 56%)
χ2 (1, N = 69) = 12.01, p < 0.001

More E  (13% vs 9%)
χ2 (1, N = 69) = 9.01, p < 0.05

More U  (30% vs 18%)
χ2 (1, N = 69) = 6.38, p < 0.05
Low SESb Total = 411
Two-way = 350
Three-way = 411
Four-way = 350		 χ2 (1, N = 69) = 9.01, p < 0.01 χ2 (2, N = 69) = 6.77, p < 0.05

More E  (32% vs 20%)
χ2 (1, N = 69) = 5.39, p < 0.05		 χ2 (3, N=69) = 3.21, ns.
Clinicala Total = 1965
Two-way = 1854
Three-way = 1965
Four-way = 1854		 χ2 (1, N = 69) = 7.17, p< 0.01 χ2 (2, N = 69) = 6.38, p< 0.04

More F  (41% vs 27%)
χ2 (1, N = 69) = 6.01, p < 0.05		 χ2 (3, N = 69) = 9.34, p< 0.03

More F   (35% vs 21%)
χ2 (1, N = 69) = 7.17, p < 0.01

Less U   (30% vs 43%)
χ2 (1, N = 69) = 4.73, p < 0.05

Note. Secure = F; Dismissing = Ds; Preoccupied = E; Unresolved = U