2019
DOI: 10.1007/s10680-019-09519-y
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The Heterogeneity of Partnership Trajectories to Childlessness in Germany

Abstract: In recent decades, childlessness has increased across many European countries. In addition to socioeconomic characteristics, having a partner is considered a prerequisite in most fertility studies. Yet, still little is known about the partnership biographies of childless women and men. We assess the heterogeneity in the partnership trajectories of childless persons in Germany and explore compositional differences of partnership trajectories by gender and education. We use data from the German Family Panel to r… Show more

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Cited by 23 publications
(18 citation statements)
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References 54 publications
(65 reference statements)
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“…As a cluster quality measure, we followed widely employed measures in sequence analysis: the average silhouette width, which measures the coherence of the assignment of each sequence to a cluster and thus provides a way to assess the optimal number of clusters, and the point biserial correlation, which measures the 'capacity' of the clustering to reproduce the distances (Studer 2013). In our context, both average silhouette widths and point biserial correlation consistently supported six clusters as the best grouping (e.g., Devillanova, Raitano, and Struffolino 2019;Raab and Struffolino 2020).…”
Section: Sequence Analysissupporting
confidence: 64%
See 1 more Smart Citation
“…As a cluster quality measure, we followed widely employed measures in sequence analysis: the average silhouette width, which measures the coherence of the assignment of each sequence to a cluster and thus provides a way to assess the optimal number of clusters, and the point biserial correlation, which measures the 'capacity' of the clustering to reproduce the distances (Studer 2013). In our context, both average silhouette widths and point biserial correlation consistently supported six clusters as the best grouping (e.g., Devillanova, Raitano, and Struffolino 2019;Raab and Struffolino 2020).…”
Section: Sequence Analysissupporting
confidence: 64%
“…Each sequence covers the adolescent period from age 11 to 20 with a monthly observation unit, totalling 108 months of observation. 9 In a second step, having constructed the sequences, we evaluated the distance matrix among sequences through an OM algorithm, with constant substitution costs (Studer and Ritschard 2016;Raab and Struffolino 2020). We then clustered similar biographies using Ward's algorithm to create a universe of typical or 'ideal-type' affective and sexual life trajectories, according to the OM distance matrix (Aassve, Billari, and Piccarreta 2007).…”
Section: Sequence Analysismentioning
confidence: 99%
“…We used average silhouette widths to measure the coherence of the assignment of each sequence to a cluster (e.g. Devillanova et al, 2019 ; Raab & Struffolino, 2020 ).…”
Section: Methodsmentioning
confidence: 99%
“…In Norway, both those who have a late entrance into a first union that is short-lived and those who do not quickly enter a union-or have many short unions-have a higher risk of remaining childless (Hart, 2019). Turbulent partnership histories in Germany were also linked to childlessness (Kreyenfeld & Konietzka, 2017), as was never partnering (Raab & Struffolino, 2020). In Finland, both fragmented and empty co-residence histories were linked to childlessness (Jalovaara & Fasang, 2017).…”
Section: Union Dynamics and Fertilitymentioning
confidence: 99%