Is there a relationship between respondents’ level of household income and whether or not they…

➤ What control variables should I include when examining income and media use?
Include age, education, employment status, race/ethnicity, urban or rural residence, and household composition when modeling income and media use. Also consider number of children, broadband access, and device ownership. These covariates help reduce confounding and clarify whether observed differences are due to income or to correlated demographic and access factors.