Table I.

Cognitive status, age, and sex by educational attainment at baseline interview. Mexican Health and Aging Study participants aged 60 and older interviewed from 2001 to 2018. Mexico

	No formal education	Incomplete elementary	Complete elementary	Middle school	Higher-Medium and Higher
Total, n (row %)	3 642 (23.8)	5 073 (33.2)	3 078 (20.1)	1 102 (7.2)	2 389 (15.6)
Cognitive status (col %)
Cognitively healthy	2 768 (76)	4 592 (90.5)	2 884 (93.7)	1 072 (97.3)	2 323(97.2)
CIND	524 (14.4)	289 (5.7)	112 (3.6)	15 (1.4)	34 (1.4)
Dementia	350 (9.6)	192 (3.8)	82 (2.7)	15 (1.4)	32 (1.3)
Female	2 120 (58.2)	2 797 (55.1)	1 629 (52.9)	509 (46.2)	1 231 (51.5)
Age, mean (SD)	68.6 (8.2)	66.4 (6.8)	65 (5.9)	64.4 (5.4)	64.5 (5.6)

CIND: Cognitive impairment no dementia.

SD: Standard deviation.

Higher-Medium: high school, technical school, teaching school; Higher: professional or graduate. Percentages are based on column total.

Baseline: First interview when the participant was 60 or older.

The groups are significantly different in all variables (p<.01).