The phrase "absence trends" is correct and usable in written English.
It can be used when discussing patterns or changes related to the lack of something, such as attendance or participation over time.
Example: "The absence trends in the classroom indicate a significant increase in student absenteeism during the winter months."
Alternatives: "absence patterns" or "absence rates".
In a sickness absence trend study from England the highest absence rates were also found in young employees [ 33].
This gives another dimension as it makes comparisons with schools of a similar profile – absence rates, trends in performance etc. Search for a school here.
The only person not bothered by the absence of trends between 3pm and 10pm that day was Alexa Chung because, as she put it: "I am my own trend".
Well, I say that, but it did famously break down during the Autumn/Winter season in 2009, which led to a complete absence of trends for several hours and a hysterical Alexandra Shulman, editor of Vogue, on the end of my phone.
Similarly the absence of trends in control populations suggests that uncontrolled environmental conditions had negligible effects on changes in traits measured during the experiment.
In the absence of trends in background incidence, greater sensitivity will result in higher cancer detection rates at screening and lower interval cancer rates.
Specifically, complaints about the absence from trending feeds of news reports about clashes between protesters and police in Ferguson in 2014 were evidence to Facebook that – in the specific case of the trending module – humans had better news judgment than the company's algorithm.
Here, the fact that the intermediate groups do not exhibit anything approaching a trend, and the absence of a trend with the continuous exposure, militate against interpreting the high value as evidence of a relationship.
The data that are gathered during the baseline condition need to be stable (absence of a trend), or with a trend that is in the opposite direction to the expected effect of the independent variables.
The absence of clear trends in EROD activity may be attributable to factors not measured in this study or variable residency time of A. australis in contaminated areas.
