. Author manuscript; available in PMC: 2019 Jul 1.

Published in final edited form as: J Am Board Fam Med. 2018 Jul-Aug;31(4):503–513. doi: 10.3122/jabfm.2018.04.180008

Table 4.

Weighted prevalence of 4 or more multi-morbidities for participants aged 20 years or older for NHANES 1988–2014.

NHANES	1988–1994 (n=16573)	1999–2000 (n=4222)	2001–2002 (n=4792)	2003–2004 (n=4742)	2005–2006 (n=4481)	2007–2008 (n=5660)	2009–2010 (n=6011)	2011–2012 (n=5281)	2013–2014 (n=5541)	P for trend^‡
No. with 4 or more comorbidities^*	2521	875	924	1092	964	1413	1398	1152	1321
Overall prevalence^±	12.0 (11.1–12.9)	15.8 (13.7–17.8)	15.3 (13.2–17.3)	18.5 (16.2–20.9)	18.4 (16.4–20.4)	19.3 (17.0–21.6)	18.8 (17.2–20.4)	19.4 (17.0–21.8)	22.7 (21.1–24.3)	<.0001

Un-weighted total number of subjects with 4 or more multi-morbidities

^±

Weighted overall prevalence of 4 or more multi-morbidities

^‡

p-value from logistic regression analysis.

Chronic conditions included in determining multi-morbidity: cardiovascular disease (CVD), chronic obstructive pulmonary disease (COPD), chronic kidney disease (CKD), asthma, arthritis, cancer, stroke, hypertension, hyperlipidemia, diabetes, and obesity.