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Table 1 Stepwise and fixed step multiple regressions considering as dependent variable Locus of Control

From: Locus of control in maltreated children: the impact of attachment and cumulative trauma

IV/Steps R R2 rPearson R 2Change F Change df1 df2 p
IV: Attach. & Age     Stepwise     
Control         
 Secure Attachment .370 .137 −.370 . 370 15.562 1 98 .000
Maltreated         
 Age .394 .155 .394 .155 10.679 1 58 .002
     Fixed Step     
Control         
 1th Sec. Attachment .370 .137 −.370 .137 15.562 1 98 .001
 2nd Age .388 .150 −.163 .013 1.526 1 97 .220
Maltreated         
 1th Sec. Attachment .253 .064 .253 .064 3.956 1 58 .051
 2nd Age .450 .203 .394 .139 9.910 1 57 .003
Control         
 1th Age .163 .027 −.163 .027 2.686 1 98 .104
 2nd Sec. Attachment .388 .150 −.370 .124 14.126 1 97 .000
Maltreated         
 1th Age .394 .155 .394 .155 10.679 1 58 .002
 2nd Sec. Attachment .450 .203 .253 .047 3.361 1 57 .072
IV: Attach. & Malt.     Stepwise     
5–9 years         
 Secure Attachment .319 .102 −.319 .102 8.717 1 77 .004
10–14 years         
 Maltreated .591 .350 .591 .350 42.464 1 79 .001
     Fixed Step     
5–9 years         
 1th Maltreated .025 .001 .025 .001 .049 1 77 .825
 2nd Sec. Attachment .340 .116 −.319 .115 9.880 1 76 .002
10–14 years         
 1th Maltreated .591 .350 .591 .350 42.464 1 79 .001
 2nd Sec. Attachment .600 .360 −.230 .011 1.318 1 78 .255
5–9 years         
 1th Sec. Attachment .319 .102 −.319 .102 8.717 1 77 .004
 2nd Maltreated .340 .116 .025 .014 1.196 1 76 .278
10–14 years         
 1th Sec. Attachment .230 .053 −.230 .053 4.376 1 79 .056
 2nd Maltreated .600 .360 .591 .307 33.668 1 78 .001
  1. Secure Attachment = 0 Insecure, 1 Secure (Sec.); 1th = First Step; 2nd = Second Step
  2. Note 1: In bold statistically significant results. Note 2: IV = Independent Variable