This finding could, at least in part, be attributable to the fact that heavy users made (by definition) a much higher number of visits.
The fact that being counselled was negatively correlated with knowing the correct mode of action might be a type I error, which is most likely to be attributable to the predominance of condom users in the population, who were less often counselled but more aware of the mode of action of the condom.
We found that women with five or more years of tamoxifen use had 59% greater risk of endometrial cancer death than non-users, which was mostly attributable to the occurrence of endometrial cancer morphologies among tamoxifen users with less favorable prognosis, for example, carcinosarcomas.
Still the number of MVNO users on T-Mobile's network continue to rise: they picked up 576,000 more, compared to 410,000 adds in the fourth quarter of 2012 in wholesale users, "primarily attributable to the continued focus on growing the MVNO customer base".
Then, the fact that excessive alcohol users exhibit similar HRs to abstainers may be also attributable to the two following reasons.
These may be attributable to the differing levels of motivations needed for a response, and varying levels of interest in the survey topic among greywater users and non-users.
Overall news aggregators are used by 15% of online news users, which is down from 25% in 2013 — with Ofcom suggesting some of that drop could be attributable to the closure of Google Reader.
That may be attributable to the economy.
How many might be considered "attributable" to the disaster?
These are not sums attributable to the vagaries of war.
