Appendix Table B.1:

Educational Differences in Baseline Characteristics, 1988–2015 NHANES-LMF (Ages 30–74)

	<HS N≈8,250	HS or SC N≈21,274	BA+ N≈10,534
Died During Follow-up	26.4%	14.5%	7.4%
Mean Age at Exam	51.8	48.6	47.9
Cohort
1915–1924	8.8%	3.7%	2.7%
1925–1934	15.4%	8.7%	5.4%
1935–1944	18.0%	15.1%	13.3%
1945–1954	19.4%	25.1%	28.9%
1955–1964	22.7%	29.4%	27.9%
1965–1974	11.7%	13.2%	15.3%
1975–1984	3.9%	4.8%	6.4%
Gender
Female	50.3%	53.8%	47.4%
Male	49.7%	46.2%	52.6%
Race/Ethnicity
NH White	53.4%	76.6%	82.8%
NH Black	15.7%	11.4%	6.2%
MX-American	16.5%	4.0%	1.7%
Other	14.3%	7.9%	9.3%
Foreign born	28.2%	10.6%	14.7%
Region
Northeast	17.4%	18.4%	22.3%
Midwest	20.0%	25.2%	23.4%
South	41.7%	34.4%	31.0%
West	20.9%	22.0%	23.4%
Income-to-Needs Ratio
0–1.00	28.7%	10.0%	2.5%
1.01–1.99	33.5%	19.0%	6.6%
2.00–3.99	28.2%	39.8%	26.2%
4.00+	9.6%	31.1%	64.7%
High Waist-to-Height Ratio (≥0.5)	85.3%	80.2%	71.6%
Maximum BMI Group
Underweight (<18.0)	0.2%	0.1%	0.4%
Normal (18.0–24.9)	16.8%	20.2%	28.8%
Overweight (25.0–29.9)	34.4%	33.8%	38.4%
Obese, Class I (30.0–34.9)	27.3%	25.2%	20.0%
Obese, Class II/III (35.0+)	21.3%	20.7%	12.4%
BMI at Exam Group
Underweight (<18.0)	2.3%	1.3%	1.9%
Normal (18.0–24.9)	28.2%	30.6%	40.0%
Overweight (25.0–29.9)	34.8%	34.0%	34.4%
Obese, Class I (30.0–34.9)	21.0%	19.4%	15.3%
Obese, Class II/III (35.0+)	13.7%	14.8%	8.4%
Smoking Status
Never	38.9%	43.8%	60.3%
Former	25.9%	28.1%	28.2%
Current	35.2%	28.1%	11.5%

Notes:

N=40,058.

Education group (N) vary slightly among imputations; count is approximate.

Follow-up age censored at 85.

Bold indicates significant difference between college-educated and other educational group at p<0.05, based on two-tailed t-test.