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Table 3 Items inter-correlations (Pearson’s correlation coefficients) of the Malay Brief Illness Perception Questionnaire in adults with type 2 diabetes mellitus

From: Validity and reliability of a Malay version of the brief illness perception questionnaire for patients with type 2 diabetes mellitus

  Pearson’s correlation, r (n)
Consequences Timeline Personal Control Treatment Control Identity Concern Understanding Emotional Response
Consequences 1 (324)        
Timeline 0.233** (320) 1 (320)       
Personal Control 0.090 (322) −0.231** (318) 1 (322)      
Treatment Control 0.082 (322) −0.211** (319) 0.505** (320) 1 (322)     
Identity 0.503** (321) 0.259** (318) 0.072 (319) 0.016 (320) 1 (321)    
Concern 0.418** (322) 0.131* (318) −0.042 (320) −0.058 (320) 0.379** (319) 1 (322)   
Understanding −0.087 (324) −0.142* (320) 0.314** (322) 0.352** (322) −0.060 (321) −0.303** (322) 1 (324)  
Emotional Response 0.525** (322) 0.138* (318) 0.009 (320) 0.001 (320) 0.532** (320) 0.514** (320) −0.165** (322) 1 (322)
  1. * p value <0.05, ** p value <0.01