The DeSart & Holbrook model is included in the econometric models component of the combined PollyVote. It currently forecasts a major vote share of 37.3% for Clinton, and 62.8% for Trump in Utah. In comparison, on October 20, Clinton was predicted to collect 37.5% of the vote.
Putting the results in context
As any other method, models are subject to bias. In general, you should not have too much faith in the results of an individual econometric model. At least, one should check how a model's results compare to benchmark forecasts.
The DeSart & Holbrook model compared with PollyVote's forecast
The current PollyVote foresees Trump to gain 59.2% of the two-party vote in Utah. PollyVote currently predicts Trump to gain 3.6 percentage points less compared to the results of the DeSart & Holbrook model.