Monitoring older people’s physical and cognitive conditions is a key issue for sociologists, health researchers and policy makers. Longitudinal surveys of older people are very powerful research resources that can be used to address these topics. However, longitudinal surveys pose specific methodological challenges that may hamper the quality of the data collected and undermine the validity of the research findings. Together with wave one non-response, attrition (i. e., wave on wave non response), is one of the main challanges to data quality in longitudinal surveys. There is an established body of knowledge on attrition in household panel surveys; however, little is known on wave on wave non response in longitudinal surveys of older people. Our starting point is that the processes that lead the general population to continue partecipating in a panel may be different from those of the older people; older people are more socially and psycologically frigile and their propensity to survey response may be more dependent on external circumstances (i. e., the death of a partner). The aim of this paper is to a identify the drivers of wave-on-wave response and identify response patterns; the focus of the analysis, in particular, is to understand the role played by the partner in influencing the decision to continue partecipating. We use data from the Brain Aging in Abbiategrasso study linked to the administrative data from the population registry files provided by the Municipality of Abbiategrasso. The Brain Aging in Abbiategrasso study (also known as InveCe.Ab) is a biannual cohort study of older people born between 1935 and 1939 (aged 70-75 at the first wave) and living in Abbiategrasso, a town near Milan, in northern Italy. InveCe.Ab is a registry-based population study that aims to assess older people’s physical conditions and identify factors associated with the risk of developing dementia and cognitive impairment. We use panel analysis regression models.
Sala, E., Zaccaria, D. (2017). "We do not want to lose you"! Panel attrition in a longitudinal study of older people in Italy. Intervento presentato a: 7th Conference of the European Survey Research Association, Lisbon, Portugal.
"We do not want to lose you"! Panel attrition in a longitudinal study of older people in Italy
SALA, EMANUELA MARIA;
2017
Abstract
Monitoring older people’s physical and cognitive conditions is a key issue for sociologists, health researchers and policy makers. Longitudinal surveys of older people are very powerful research resources that can be used to address these topics. However, longitudinal surveys pose specific methodological challenges that may hamper the quality of the data collected and undermine the validity of the research findings. Together with wave one non-response, attrition (i. e., wave on wave non response), is one of the main challanges to data quality in longitudinal surveys. There is an established body of knowledge on attrition in household panel surveys; however, little is known on wave on wave non response in longitudinal surveys of older people. Our starting point is that the processes that lead the general population to continue partecipating in a panel may be different from those of the older people; older people are more socially and psycologically frigile and their propensity to survey response may be more dependent on external circumstances (i. e., the death of a partner). The aim of this paper is to a identify the drivers of wave-on-wave response and identify response patterns; the focus of the analysis, in particular, is to understand the role played by the partner in influencing the decision to continue partecipating. We use data from the Brain Aging in Abbiategrasso study linked to the administrative data from the population registry files provided by the Municipality of Abbiategrasso. The Brain Aging in Abbiategrasso study (also known as InveCe.Ab) is a biannual cohort study of older people born between 1935 and 1939 (aged 70-75 at the first wave) and living in Abbiategrasso, a town near Milan, in northern Italy. InveCe.Ab is a registry-based population study that aims to assess older people’s physical conditions and identify factors associated with the risk of developing dementia and cognitive impairment. We use panel analysis regression models.
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