rsbob 

I bet you have heard the phrase, “You create your own reality”. Your user name reinforces your reality.

I have bike commuted and generally ridden on multi-use trails for decades traveling 10s of thousands of miles. In all this time, I have only had one incident, but it did not result in anything other than relief I have good skills.

I would suggest that you change your perspective to one of confidence, that you can do this, like thousands of other people who have never had an issue. When you tell yourself, I can do this and I will be fine, then your whole point of view will change.

Stop looking for confirmation of your fear.

People responding above make excellent points about being aware, riding defensively but confidently because you can do this like thousands of others every day.