Research indicates that people in good moods have higher and consider themselves less vulnerable to future illness than people in bad moods.

Self-reported health

Explanation:

The self reported heath is also known as the self rated health which indicated the perceived heath condition and highlighted all the disparities by considering the population. It helps us to improve the quality of life.

 According to the given question, the research indicating that if the people are in good mood the they have higher self reported health by considering themselves less vulnerable in terms of future illness as compared to people who are in bad moods.

 Therefore, Self-reported health is the correct answer.

sounds good to me mate!

what is the question you are trying to ask?