"Without understanding many of the variable factors affecting divorcing couples, any suggestion of causation between type of ceremony and divorce rate is entirely spurious". A spokesman for the Catholic Bishops' Conference of Scotland claimed the "fatal flaw" in the statistics was that Humanist weddings had not been around long enough to draw meaningful conclusions.
Also, some accounts of causation distinguish types of causes.
More accurately, the interventionist account of type causation diverges from what seems to be the natural way of extending Lewis' theory to such causes.
Even if the notion of an intervention presupposes some causal notion such as some notion of type causation, it may be that we can use it to characterize other causal notions.
However, three small case control studies from Uganda (Ateenyi-Agaba et al, 2004; Tornesello et al, 2006; de Koning et al, 2008) have suggested that cutaneous HPV types (i.e., types belonging to the genus beta and formerly referred to as Epidermodysplasia Verruciformis HPV types; IARC, 2007) are more likely candidates for the causation of SCCC than mucosal HPV types.
Third, reverse causation remains a potential source of bias in studies of type 2 diabetes, which has a long subclinical phase.
Likewise, significant but non-confounding results for social structure covariates could illustrate potential fundamental causation of chronic inflammation by different types of disadvantage in social status and position.
Accordingly, the ecological epidemiological data, although not proving causation, provide powerful evidence that A1 β-casein is a causal factor in the pathogenesis of type 1 diabetes.
We cannot entirely exclude the classic type of AFE as the causation of cardiac arrest, although initial manifestation, change of serum factors, and histological observations in uterus are suggestive of DIC-type AFE.
