Jack experiences panic attacks in his office and in the park where he goes jogging. this makes him feel trapped with no escape route in these places. he prefers to stay cooped up in the refuge of his home. this suggests that jack has developed:

Agoraphobia

Explanation:

In psychopathology, agoraphobia is an anxiety disorder where the situations that trigger anxiety are those ones in which the person feels the environment is unsafe or that there is no easy way to escape. Usually this anxiety is experienced in elevators, the street, malls or any open space. This situation can make people don't even want to leave their home anymore.

In this example, Jack experiences panic attacks in his office and in the park, he feels trapped with no escape route in these places and he prefers to stay in his home now. We can see that he is feeling anxiety in these places where he feels there's no easy way to escape and he doesn't want to leave his house anymore. This suggests that Jack has developed agoraphobia.