. 2020 Apr 2;17(7):2418. doi: 10.3390/ijerph17072418

Table 3.

The scores of cognitive functions by different income among older adults ^a.

Age (years)	Household Income Group	Cohort1891–1900	Cohort1901–1910	Cohort1911–1920	Cohort1921–1930	Cohort1931–1940	Cohort1941–1950
65–79	Lower income				26.1(0.1)	27.2(0.1)	28.0(0.1)
65–79	Higher income				27.4(0.1)	27.9(0.0)	28.5(0.1)
80–89	Lower income			22.1(0.1)	23.8(0.1)	25.4(0.3)
80–89	Higher income			24.3(0.1)	24.8(0.1)	26.1(0.3)
90–99	Lower income		17.3(0.2)	18.7(0.2)	20.6(0.5)
90–99	Higher income		19.4(0.2)	20.1(0.1)	21.7(0.4)
100–	Lower income	12.3(0.3)	13.1(0.2)	13.3(0.7)
100–	Higher income	14.8(0.3)	14.6(0.2)	15.6(0.6)

^a Data are expressed as scores mean (standard error) of cognitive functions.