ArticleBMC public health2010
Establishing a follow-up of the Swiss MONICA participants (1984-1993): record linkage with census and mortality data.
Article in BMC public health, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- The future backbone of nutritional science: integrating public health priorities with system-oriented precision nutrition.The British journal of nutrition · 2024Review
- Article
- Dietary Patterns Are Associated with Cardiovascular and Cancer Mortality among Swiss Adults in a Census-Linked Cohort.Nutrients · 2018Article
- Mediterranean diet and mortality in Switzerland: an alpine paradox?European journal of nutrition · 2015Article
- Cardiovascular Risk Assessment and Effects on Behavior in Switzerland The Swiss Heart Foundation HerzCheck(®)/Cardio-Test(®).The open cardiovascular medicine journal · 2015Article
- Mortality risk associated with underweight: a census-linked cohort of 31,578 individuals with up to 32 years of follow-up.BMC public health · 2014Article
- Blood glucose may be an alternative to cholesterol in CVD risk prediction charts.Cardiovascular diabetology · 2013Article
- Article
- Health risk or resource? Gradual and independent association between self-rated health and mortality persists over 30 years.PloS one · 2012Article
- Obesity but not overweight is associated with increased mortality risk.European journal of epidemiology · 2011Article
- Stratified sampling design and loss to follow-up in survival models: evaluation of efficiency and bias.BMC medical research methodology · 2011Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundTo assess the feasibility and quality of an anonymous linkage of 1) MONICA (MONItoring of trends and determinants in CArdiovscular disease, three waves between 1984 and 1993) data with 2) census and mortality records of the Swiss National Cohort in order to establish a mortality follow-up until 2008. Many countries feature the defect of lacking general population cohorts because they have missed to provide for follow-up information of health surveys.
methodsRecord linkage procedures were used in a multi-step approach. Kaplan-Meier curves from our data were contrasted with the survival probabilities expected from life tables for the general population, age-standardized mortality rates from our data with those derived from official cross-sectional mortality data. Cox regression models were fit to investigate the influence of covariates on survival.
results97.8% of the eligible 10,160 participants (25-74y at baseline) could be linked to a census (1990: 9,737; 2000: 8,749), mortality (1,526, 1984-2008) and/or emigration record (320, 1990-2008). Linkage success did not differ by any key study characteristic. Results of survival analyses were robust to linkage step or certainty of a correct link. Loss to follow-up between 1990 and 2000 amounted to 4.7%. MONICA participants had lower mortality than the general population, but similar mortality patterns, (e.g. variation by educational level, marital status or region).
conclusionsUsing anonymized census and death records allowed an almost complete mortality follow-up of MONICA study participants of up to 25 years. Lower mortality compared to the general population was in line with a presumable 'healthy participant' selection in the original MONICA study. Apart from that, the derived data set reproduced known mortality patterns and showed only negligible potential for selection bias introduced by the linkage process. Anonymous record linkage was feasible and provided robust results. It can thus provide valuable information, when no cohort study is available.
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