Table 2.

Change in BMI, overweight and obesity over time among adults in the USA, 2003–2018

Years	Mean BMI		Prevalence of overweight		Prevalence of obesity
	Adjusted β* (95% CI)	P value	Adjusted OR* (95% CI)	P value	Adjusted OR* (95% CI)	P value
2003–2004	Reference		Reference		Reference
2005–2006	0.38 (−0.23 to 0.99)	0.215	1.01 (0.97 to 1.05)	0.598	1.03 (0.99 to 1.07)	0.184
2007–2008	0.48 (0.04 to 0.93)	0.035	1.02 (0.98 to 1.05)	0.281	1.03 (1.00 to 1.06)	0.084
2009–2010	0.70 (0.26 to 1.15)	0.002	1.03 (0.99 to 1.07)	0.178	1.06 (1.03 to 1.09)	<0.001
2011–2012	1.08 (0.55 to 1.61)	<0.001	1.05 (1.00 to 1.09)	0.034	1.07 (1.03 to 1.11)	<0.001
2013–2014	1.18 (0.66 to 1.70)	<0.001	1.05 (1.01 to 1.08)	0.012	1.08 (1.04 to 1.11)	<0.001
2015–2016	1.59 (1.03 to 2.20)	<0.001	1.06 (1.02 to 1.10)	0.005	1.11 (1.07 to 1.16)	<0.001
2017–2018	1.96 (1.34 to 2.57)	<0.001	1.08 (1.04 to 1.13)	<0.001	1.15 (1.10 to 1.21)	<0.001
P for trend		<0.001		<0.001		<0.001

*Models adjusted for age, sex, race, education, family poverty income ratio, daily total energy intake and physical activity status.

BMI, body mass index.;