Research Article

Prevalence and Trends of Adult Obesity in the US, 1999–2012

Table 3

Estimated annual change in the odds of the prevalence of overweight and obesity combined ( ), obesity ( ), grades 2 and 3 obesity combined ( ), and grade 3 obesity ( ) among U.S. adults aged 20 years and older using piecewise logistic regressions: NHANES 1999-2000 to 2011-2012.

All races/ethnicitiesNon-Hispanic WhiteNon-Hispanic African AmericanHispanic

BMI ≥ 25
Both genders1.020** 
(1.006–1.034)
0.972
(0.892–1.060)
1.021* 
(1.002–1.040)
0.981
(0.884–1.089)
1.032*** 
(1.015–1.049)
0.953
(0.849–1.069)
1.035** 
(1.011–1.059)
0.963
(0.845–1.098)
Male1.030** 
(1.012–1.049)
0.902
(0.814–1.000)
1.029* 
(1.005–1.053)
0.905
(0.796–1.029)
1.041*** 
(1.021–1.063)
0.899
(0.794–1.018)
1.055** 
(1.022–1.089)
0.894
(0.732–1.092)
Female1.012
(0.995–1.029)
1.033
(0.939–1.136)
1.016
(0.992–1.040)
1.042
(0.920–1.179)
1.020
(0.992–1.049)
1.021
(0.867–1.201)
1.013
(0.984–1.043)
1.045
(0.908–1.203)

BMI ≥ 30
Both genders1.027*** 
(1.013–1.040)
0.957
(0.889–1.030)
1.026** 
(1.009–1.043)
0.942
(0.855–1.039)
1.039** 
(1.017–1.061)
0.953
(0.857–1.060)
1.038** 
(1.014–1.061)
0.908
(0.822–1.002)
Male1.040*** 
(1.022–1.058)
0.926
(0.847–1.013)
1.057*** 
(1.030–1.084)
0.892
(0.786–1.011)
1.060*** 
(1.028–1.093)
1.050
(0.903–1.221)
1.015
(0.995–1.034)
0.977
(0.847–1.127)
Female1.015* 
(1.000–1.029)
0.986
(0.903–1.076)
1.027
(0.999–1.056)
1.001
(0.876–1.143)
1.019
(0.993–1.046)
1.007
(0.890–1.139)
1.026** 
(1.010–1.041)
0.942
(0.864–1.026)

BMI ≥ 35
Both genders1.034** 
(1.009–1.060)
0.953
(0.839–1.083)
1.028* 
(1.006–1.051)
0.941
(0.853–1.039)
1.054*** 
(1.031–1.078)
0.959
(0.857–1.072)
1.033* 
(1.002–1.064)
0.930
(0.796–1.085)
Male1.020* 
(1.004–1.037)
0.933
(0.851–1.024)
1.062** 
(1.022–1.103)
0.907
(0.760–1.084)
1.063** 
(1.023–1.105)
0.948
(0.787–1.141)
1.023* 
(1.001–1.046)
0.921
(0.797–1.063)
Female1.027** 
(1.007–1.048)
0.923
(0.817–1.044)
1.009
(0.983–1.036)
0.970
(0.859–1.095)
1.054*** 
(1.029–1.080)
0.952
(0.840–1.080)
1.031** 
(1.010–1.053)
0.972
(0.858–1.101)

BMI ≥ 40
Both genders1.031** 
(1.010–1.053)
0.972
(0.858–1.101)
1.034* 
(1.005–1.063)
0.950
(0.787–1.146)
1.045* 
(1.016–1.075)
0.928
(0.817–1.054)
1.066** 
(1.0165–1.118)
0.953
(0.801–1.132)
Male1.038* 
(1.001–1.076)
0.958
(0.736–1.247)
1.034
(0.990–1.079)
0.912
(0.625–1.329)
1.088** 
(1.038–1.141)
0.876
(0.710–1.080)
1.092* 
(1.014–1.175)
0.892
(0.678–1.175)
Female1.028* 
(1.005–1.051)
0.980
(0.873–1.100)
1.035* 
(1.003–1.068)
0.975
(0.818–1.162)
1.030
(0.996–1.065)
0.963
(0.822–1.129)
1.053* 
(1.003–1.105)
0.981
(0.811–1.186)

See (1) for model setup. Odds ratio and 95% confidence interval are reported. , , and .