Coefficientsa Model Unstandardized Coefficients Standardized Coefficients t Sig. B Std. Error Beta 1 (Constant) 2.106 .129 16.273 .000 Percent Black, non-Hispanic .003 .003 .069 1.249 .213 Percent who earn less than $35,000 a year .037 .004 .519 9.341 .000 a. Dependent Variable: Average number of days per month with poor mental health 9c. What inferences may be drawn about the nature of the relationship between the percent Black and the average number of days with poor mental health, controlling for the percent earning less than $35,000 a year