How does colonists morale work?

According to: https://www.yekbot.com/surviving-mars-guide-to-health-and-morale/#:~:text=A%20colonist%20at%20high%20health,seek%20the%20Medical%20Checks%20service.

Morale is derived from how well you're managing colonists' needs. The main effects are a performance modifier, and below 65 the formation of renegades (dramatically nonproductive colonists who will cause crime).