The phrase "am caused" can be substituted with a variety of synonyms depending on the context of the sentence. Some alternatives include "am responsible for," "am the reason for," or "am attributed to." For example, "The delay in the project was caused by my mistake" could be rephrased as "I am responsible for the delay in the project" or "The delay in the project can be attributed to me." Similarly, "The increase in crime rates is caused by socioeconomic factors" could be replaced with "Socioeconomic factors are the reason for the increase in crime rates" or "The increase in crime rates can be attributed to socioeconomic factors".