Table 5.
Trends in prevalence of age adjusted obesity (95% confidence interval) by race or ethnicity: United States, 2011-18
| Variable | Age adjusted prevalence (%) | P for trend | |||
|---|---|---|---|---|---|
| 2011-12 | 2013-14 | 2015-16 | 2017-18 | ||
| General obesity defined by body mass index (n=21 093) | |||||
| Overall* (specific cut-off points for Asians) | 35.4 (32.5 to 38.3) | 38.3 (36.4 to 40.2) | 40.3 (37.0 to 42.7) | 43.4 (39.8 to 47.0) | <0.001 |
| Overall* (cut-off points for general population) | 34.9 (32.0 to 37.8) | 37.7 (35.8 to 39.7) | 39.6 (36.0 to 43.1) | 42.4 (38.6 to 46.3) | <0.001 |
| All participants† | |||||
| Hispanic | 42.5 (39.0 to 46.0) | 42.6 (38.1 to 47.0) | 47.0 (42.5 to 51.5) | 44.8 (41.4 to 48.1) | 0.14 |
| Non-Hispanic white | 32.6 (28.9 to 36.4) | 36.4 (34.0 to 38.8) | 37.9 (34.0 to 41.8) | 42.2 (36.8 to 47.6) | 0.002 |
| Non-Hispanic black | 47.8 (44.4 to 51.3) | 48.4 (44.1 to 52.7) | 46.8 (41.9 to 51.7) | 49.6 (46.5 to 52.8) | 0.52 |
| Non-Hispanic Asian‡ | 20.8 (17.2 to 24.4) | 23.5 (20.0 to 27.0) | 25.5 (20.0 to 31.1) | 34.2 (29.8 to 38.6) | <0.001 |
| Other | 35.2 (22.3 to 48.0) | 38.0 (28.8 to 47.2) | 51.9 (44.2 to 59.5) | 46.3 (35.6 to 57.1) | 0.098 |
| Men§ | |||||
| Hispanic | 40.1 (35.7 to 44.5) | 37.9 (31.9 to 43.8) | 43.1 (37.0 to 49.2) | 45.7 (41.9 to 49.6) | 0.04 |
| Non-Hispanic white | 32.4 (29.6 to 35.3) | 34.7 (31.3 to 38.1) | 37.9 (32.0 to 43.7) | 44.7 (36.8 to 52.6) | 0.002 |
| Non-Hispanic black | 37.1 (33.0 to 41.2) | 38.0 (32.6 to 43.3) | 36.9 (31.5 to 42.2) | 41.1 (36.3 to 45.9) | 0.26 |
| Non-Hispanic Asian‡ | 21.9 (17.3 to 26.5) | 25.1 (18.8 to 31.4) | 25.6 (20.4 to 30.9) | 37.2 (30.4 to 43.9) | <0.001 |
| Other | 40.6 (19.0 to 62.3) | 41.0 (24.8 to 57.1) | 53.0 (40.4 to 65.7) | 42.1 (29.4 to 54.9) | 0.87 |
| Women§ | |||||
| Hispanic | 44.4 (40.0 to 48.8) | 46.9 (41.2 to 52.6) | 50.6 (46.2 to 55.0) | 43.7 (39.3 to 48.0) | 0.78 |
| Non-Hispanic white | 32.8 (27.1 to 38.6) | 38.2 (34.7 to 41.7) | 38.0 (33.9 to 42.0) | 39.8 (33.7 to 46.0) | 0.09 |
| Non-Hispanic black | 56.6 (52.3 to 61.0) | 57.2 (53.6 to 60.7) | 54.8 (49.9 to 59.8) | 56.9 (52.8 to 61.0) | 0.91 |
| Non-Hispanic Asian‡ | 19.8 (15.2 to 24.3) | 21.8 (16.9 to 26.7) | 25.0 (18.1 to 32.0) | 31.5 (26.4 to 36.7) | 0.001 |
| Other | 28.7 (16.8 to 40.7) | 36.1 (24.5 to 47.6) | 50.0 (38.5 to 61.5) | 54.3 (42.1 to 66.5) | 0.002 |
| Abdominal obesity defined by waist circumference (n=20 080) | |||||
| Overall* | 54.5 (51.2 to 57.8) | 56.3 (54.8 to 57.7) | 58.4 (53.9 to 62.9) | 59.1 (55.6 to 62.7) | 0.02 |
| All participants† | |||||
| Hispanic | 57.8 (54.7 to 60.9) | 60.4 (55.9 to 64.8) | 62.4 (59.1 to 65.8) | 60.6 (57.6 to 63.7) | 0.24 |
| Non-Hispanic white | 54.4 (50.1 to 58.8) | 56.2 (54.0 to 58.4) | 59.5 (54.4 to 64.6) | 59.9 (55.0 to 64.8) | 0.052 |
| Non-Hispanic black | 60.8 (57.9 to 63.7) | 62.1 (58.5 to 65.7) | 59.0 (54.1 to 63.8) | 62.3 (58.8 to 65.9) | 0.75 |
| Non-Hispanic Asian | 24.7 (21.5 to 27.9) | 25.8 (21.7 to 29.9) | 26.8 (22.8 to 30.8) | 31.9 (29.1 to 34.7) | 0.001 |
| Other | 55.3 (40.9 to 69.8) | 53.2 (41.8 to 64.5) | 65.0 (55.3 to 74.7) | 68.4 (60.1 to 76.7) | 0.04 |
| Men§ | |||||
| Hispanic | 43.9 (38.6 to 49.2) | 45.8 (41.0 to 50.6) | 47.5 (42.6 to 52.4) | 49.5 (46.1 to 52.8) | 0.20 |
| Non-Hispanic white | 45.2 (41.6 to 48.7) | 48.2 (44.8 to 51.6) | 51.2 (44.3 to 58.1) | 54.0 (46.9 to 61.0) | 0.02 |
| Non-Hispanic black | 41.2 (37.4 to 45.0) | 40.5 (35.7 to 45.4) | 40.3 (34.5 to 46.1) | 44.0 (39.9 to 48.1) | 0.36 |
| Non-Hispanic Asian | 14.0 (10.2 to 17.8) | 13.6 (8.0 to 19.2) | 15.6 (11.5 to 19.7) | 21.3 (17.7 to 24.8) | 0.01 |
| Other | 47.4 (26.9 to 67.9) | 41.4 (24.0 to 58.8) | 50.6 (39.8 to 61.4) | 58.5 (43.8 to 73.2) | 0.30 |
| Women§ | |||||
| Hispanic | 71.1 (67.4 to 74.8) | 74.7 (68.4 to 81.0) | 77.2 (74.0 to 80.5) | 71.8 (67.7 to 75.8) | 0.73 |
| Non-Hispanic white | 63.9 (58.4 to 69.5) | 64.2 (61.1 to 67.3) | 67.7 (62.9 to 72.4) | 65.8 (59.8 to 71.8) | 0.41 |
| Non-Hispanic black | 77.2 (73.3 to 81.0) | 81.1 (78.5 to 83.6) | 74.8 (70.4 to 79.3) | 78.0 (73.7 to 82.4) | 0.68 |
| Non-Hispanic Asian | 33.9 (29.7 to 38.2) | 36.0 (30.1 to 41.9) | 36.7 (32.5 to 41.0) | 41.0 (36.4 to 45.6) | 0.03 |
| Other | 64.3 (53.8 to 74.7) | 66.9 (55.6 to 78.3) | 79.1 (69.9 to 88.4) | 80.9 (74.2 to 87.7) | 0.004 |
Race and Hispanic ethnicity were classified based on the 1997 Office of Management and Budget standards.
*
P for trend adjusted for age, sex, and race or ethnicity.
†
P for trend adjusted for age and sex.
‡
Obesity was defined using specific cut-off point for Asians (body mass index≥27.5).
§
P for trend adjusted for age.