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BMC Medical Research Methodology

Table 5 Intraclass correlation coefficients of the Malay Brief Illness Perception Questionnaire

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

MBIPQ Item, (n)	2 weeks, (n)	4 weeks, (n)
Consequences (n = 324)	0.677^** (n = 100)	0.680^** (n = 133)
Timeline (n = 320)	0.697^** (n = 98)	0.582^** (n = 133)
Personal Control (n = 322)	0.387^* (n = 99)	0.685^** (n = 133)
Treatment Control (n = 322)	0.569^** (n = 100)	0.671^** (n = 133)
Identity (n = 321)	0.498^** (n = 100)	0.664^** (n = 132)
Concern (n = 322)	0.687^** (n = 100)	0.781^** (n = 131)
Understanding (n = 324)	0.462^** (n = 100)	0.664^** (n = 132)
Emotional Response (n = 322)	0.652^** (n = 100)	0.610^** (n = 132)

^* p value <0.05, ^** p value <0.01

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