Jane is 70 years old, has completed 12 years of school, has one health problem, performs in 5 productive activities, and has 5 friends she can call on for social support. She is also white, married, and female. Finally, her physical activity score is a "2" and religious participation score is a "9." Predict the number of depression symptoms Jane has using Model 1. Predict the number of depression symptoms Jane has using Model 2. explain what happened as a result of including the new variables