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© 2016 Japan Geriatrics Society. Aim: To estimate the prevalence of diabetes, heart disease, hypertension and stroke in self-report and hospital data in two cohorts of women; measure sensitivity and agreement between data sources; and compare between cohorts. Methods: Women born between 1946-1951 and 1921-1926 who participated in the Australian Longitudinal Study on Women's Health (ALSWH); were New South Wales residents; and admitted to hospital (2004-2008) were included in the present study. The prevalence of diabetes, heart disease, hypertension and stroke was estimated using self-report (case1 at latest survey, case2 across multiple surveys) and hospital records. Agreement (kappa) and sensitivity (%) were calculated. Logistic regression measured the association between patient characteristics and agreement. Results: Hypertension had the highest prevalence and estimates were higher for older women: 32.5% case1, 45.4% case2, 12.8% in hospital data (1946-1951 cohort); 57.8% case1, 73.2% case2, 38.2% in hospital data (1921-1926 cohort). Agreement was substantial for diabetes: κ=0.75 case1, κ=0.70 case2 (1946-1951 cohort); κ=0.77 case1, κ=0.80 case2 (1921-1926 cohort), and lower for other conditions. The 1946-1951 cohort had 2.08 times the odds of agreement for hypertension (95% CI 1.56 to 2.78; P |
