New England Research Institutes: Test-retest reliability

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Research Instruments > CardioRisk: A Self-Scored Appraisal of Your Personal Risk for Cardiovascular Disease > Test-retest reliability

Two-week test-retest correlations were as high or higher for CardioRisk than for the HRAs in the field trial.

Risk factor	Test-retest correlation	Range of correlations in field trial
Systolic blood pressure	.63	.45-.87
Total cholesterol	.74	.58-.65
Relative weight*	.88	.76-.91
Family history	.73	.89-.90
Cigarette smoking	.98	.82-.89
Diabetes status	.92	NA
Age group*	.97	NA
Gender	1.00	NA
Total risk score*	.93	.43-.87

* = Based only on subjects who reported that their status had not changed between the baseline and follow-up interviews.

NA = Not Applicable