Online Data Table 2 National by-year life expectancy estimates for men and women, by income percentile. This table reports life expectancy estimates for men and women at age 40 for each percentile of the national income distribution separately by year.

column Name: column Description, type

1. gnd: Gender (male/female), categorical
2. pctile: Household Income Percentile, quantitative
3. year: Year, quantitative
4. count: Count, quantitative
5. hh_inc: Mean Household Income, quantitative
6. le_raceadj: Race-Adjusted Life Expectancy, quantitative
7. le_agg: Unadjusted Life Expectancy, quantitative
8. sd_le_raceadj: Standard Error of Race-Adjusted Life Expectancy, quantitative
9. sd_le_agg: Standard Error of Unadjusted Life Expectancy, quantitative

Questions:

1. How did life expectancy of females change over time?
2. How did life expectancy of males change over time?
3. What is the difference in life expectancy by mean household income?
4. How does females life expectancy differ by mean household income?
5. How does males life expectancy differ by mean household income?

Link: https://healthinequality.org/data/