. 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 3.

Weighted prevalence of 3 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 3 or more comorbidities^*	4975	1591	1678	1893	1705	2349	2366	1996	2202
Overall prevalence (%)^±	24.6 (23.2–25.9)	30.5 (27.5–33.5)	29.2 (26.8–31.6)	34.2 (31.5–36.9)	34.2 (31.5–36.9)	34.7 (32.1–37.4)	33.8 (31.9–35.8)	34.7 (31.3–38.1)	38.5 (36.3–40.6)	<.0001

Unweighted total number of subjects with 3 or more multi-morbidities

^±

Weighted overall prevalence of 3 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.