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. 2020 Dec 2;8:76. doi: 10.1186/s40337-020-00353-w

Table 3.

Summary of linear regression analyses of variables predicting DEBs (ChEAT/EAT-26 subscales and total scores) in participants with T1D and controls

T1D (N = 138) Controls (N = 276)
Variables Ch-EAT/EAT-26 B SE B β p Collinearity tolerance B SE B β p Collinearity tolerance
Dieting
 Step 1
 Age .290 .144 .168 .046 .999 .325 .129 .142 .012 .991
 Gender 1.882 .923 .170 .043 .999 .4.623 .789 .331 <.0001 .991
R2 = .059 .017 R2 = .138 <.0001
 Step 2
 Age .368 .152 .213 .017 .798 .302 .129 .132 .020 .982
 Gender 2.156 .884 .195 .016 .974 4.764 .790 .341 <.0001 .981
 z-BMI 1.562 .440 .283 .001 .977 .729 .404 .102 .073 .983
 Duration of illness −.311 .156 −.181 .048 .759
 HbA1c −.515 .337 −.124 .129 .950
ΔR = .118 .001 ΔR = .010 <.0001
Total R2 .177 . .149
Oral Control
 Step 1
 Age −.285 .064 −.359 <.0001 .999 −.297 .069 −.249 <.0001 .991
 Gender .053 .410 .010 .898 .999 1.533 .422 .210 <.0001 .991
R2 = .129 <.0001 R2 = .096 <.0001
 Step 2
 Age −.259 .072 −.326 . < .0001 .798 −.271 .067 −.227 <.0001 .982
 Gender .095 .416 .019 .820 .974 1.367 .413 .187 .001 .981
 z-BMI −.289 .207 −.114 .166 .977 −.859 .211 −.230 <.0001 .983
 Duration of illness −.036 .073 −.045 .626 .759
 HbA1c −.034 .159 −.018 .830 .950
ΔR = .016 .001 ΔR = .052 <.0001
Total R2 .144 .148
Bulimia and food preoccupation
 Step 1
 Age .064 .049 .110 .197 .999 .070 .051 .082 .171 .991
 Gender .569 .314 .153 .072 .999 1.000 .311 .191 001 .991
R2 = .036 .081 R2 = .046 .002
 Step 2
 Age .093 .055 .160 .094 .798 .061 .051 .071 .234 .982
 Gender 1.058 .311 .202 .001 .981
 z-BMI .001 .159 .001 .994 .977 .298 .159 .111 .063 .983
 Duration of illness −.068 .056 −.118 .229 .759
 HbA1c −.007 .122 −.005 .061 .950
ΔR = .011 .258 ΔR = .012 .001
Total R2 .048 .058
Total score
 Step 1
 Age .069 .204 .029 .737 .999 .097 .205 .027 .637 .991
 Gender 2.504 1.307 .163 .058 .999 7.156 1.259 .326 <.0001 .991
R2 = .028 .152 R2 = .109 <.0001
 Step 2
 Age .202 .224 .084 .369 .798 .092 .207 .026 .657 .982
 Gender 2.882 1.296 .187 .028 .974 7.189 1.267 .328 <.0001 .981
 z-BMI 1.274 .646 .166 .050 .977 .168 .649 .015 .796 .983
 Duration of illness −.415 .228 −.173 .072 .759
 HbA1c −.556 .495 −.096 .263 .950
ΔR = .061 .030 ΔR = .000 <.0001
Total R2 .089 .109

Abbreviations: T1D type 1 diabetes, z-BMI standardized body mass index, HbA1c glycated hemoglobins