Table 2.
Characteristic | Percentage of the Study Population by Year |
P Valuea | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2000 (n = 8,508) | 2001 (n = 8,930) | 2002 (n = 10,124) | 2003 (n = 10,319) | 2004 (n = 10,383) | 2005 (n = 12,976) | 2006 (n = 14,501) | 2007 (n = 15,004) | 2008 (n = 15,172) | 2009 (n = 14,870) | 2010 (n = 15,224) | ||
Consumption, servings/weekb | ||||||||||||
LCS beverages | 2.4 (0.1) | 2.4 (0.1) | 2.6 (0.1) | 2.8 (0.1) | 2.9 (0.1) | 3.0 (0.1) | 2.9 (0.1) | 2.7 (0.1) | 2.7 (0.1) | 2.6 (0.1) | 2.7 (0.1) | 0.034 |
CS beverages | 3.1 (0.1) | 3.1 (0.1) | 3.0 (0.1) | 3.0 (0.1) | 2.7 (0.1) | 2.7 (0.1) | 2.8 (0.1) | 2.6 (0.1) | 2.7 (0.1) | 2.6 (0.1) | 2.5 (0.1) | <0.001 |
Ageb | 57.5 (0.3) | 57.4 (0.2) | 57.5 (0.2) | 58.4 (0.2) | 58.6 (0.2) | 57.2 (0.2) | 57.3 (0.2) | 57.5 (0.2) | 57.1 (0.2) | 56.8 (0.2) | 56.5 (0.2) | <0.001 |
Male sex | 49.8 | 50.5 | 51.4 | 49.0 | 49.6 | 47.7 | 49.2 | 49.8 | 50.2 | 50.3 | 51.4 | 0.461 |
Race/ethnicity | ||||||||||||
Non-Hispanic white | 86.1 | 84.1 | 84.9 | 84.9 | 83.3 | 82.5 | 81.6 | 81.6 | 80.1 | 79.9 | 78.2 | <0.001 |
Non-Hispanic black | 10.6 | 11.1 | 10.5 | 10.5 | 11.3 | 11.1 | 11.7 | 11.5 | 12.3 | 11.9 | 12.5 | <0.001 |
Hispanic | 2.1 | 2.9 | 2.6 | 2.7 | 3.2 | 3.8 | 4.1 | 4.3 | 4.6 | 4.9 | 5.3 | <0.001 |
Other | 1.1 | 1.8 | 2.0 | 1.9 | 2.3 | 2.7 | 2.7 | 2.7 | 3.0 | 3.4 | 4.1 | <0.001 |
Educational level | ||||||||||||
High school diploma or less | 32.6 | 32.8 | 29.7 | 33.0 | 32.6 | 36.9 | 35.4 | 35.1 | 34.9 | 34.0 | 34.5 | <0.001 |
At least some college | 67.4 | 67.2 | 70.3 | 67.0 | 67.4 | 63.1 | 64.6 | 64.9 | 65.1 | 66.0 | 65.5 | <0.001 |
Incomec | ||||||||||||
<185% | 23.8 | 22.7 | 22.7 | 22.3 | 22.3 | 33.3 | 32.9 | 32.7 | 31.5 | 30.0 | 29.1 | <0.001 |
185%–400% | 43.9 | 43.3 | 42.4 | 37.2 | 37.8 | 31.4 | 31.3 | 30.0 | 29.7 | 34.1 | 34.6 | <0.001 |
>400% | 32.2 | 34.0 | 34.9 | 40.5 | 39.9 | 35.3 | 35.8 | 37.3 | 38.8 | 35.9 | 36.3 | <0.001 |
Abbreviations: CS beverages, beverages flavored with caloric sweeteners; LCS beverages, beverages flavored with low-calorie sweeteners.
a P for linear trend; Wald test P < 0.05.
b Values are expressed as mean (standard deviation), with sample weights used to account for selection probability and sampling design.
c Percentage of the poverty level.