TABLE 2.
Mean Caffeine Intake Among Consumers Only Aged 2 to 22 Years Old: NHANES 1999–2010
| 1999–2000 | 2001–2002 | 2003–2004 | 2005–2006 | 2007–2008 | 2009–2010 | |
|---|---|---|---|---|---|---|
| Gender, mg/d | ||||||
| Male | 86.3 ± 14.5 | 72.7 ± 4.4 | 73.9 ± 6.5 | 71.2 ± 6.8 | 71.3 ± 5.2 | 65.2 ± 7.2 |
| Female | 68.7 ± 3.7 | 53.8 ± 4.1 | 60.0 ± 4.2 | 48.3 ± 3.1 | 66.9 ± 4.6 | 50.9 ± 4.5 |
| Age, mg/d | ||||||
| 2–5 yearsa | 17.4 ± 1.9 | 20.6 ± 3.6 | 21.9 ± 5.6 | 12.2 ± 0.7 | 13.0 ± 1.6 | 10.0 ± 1.0 |
| 6–11 yearsa | 39.4 ± 8.0 | 31.4 ± 2.1 | 38.3 ± 3.8 | 24.6 ± 2.1 | 33.7 ± 3.4 | 23.0 ± 1.4 |
| 12–16 years | 80.6 ± 4.6 | 61.2 ± 4.9 | 68.7 ± 4.4 | 59.6 ± 3.9 | 72.0 ± 5.2 | 64.3 ± 9.8 |
| 17–18 years | 124.4 ± 16.1 | 105 ± 6.8 | 92.8 ± 12.0 | 117.3 ± 19.2 | 130.9 ± 30.9 | 96.1 ± 7.2 |
| 19–22 years | 142.9 ± 15.7 | 123.7 ± 13.2 | 126.3 ± 13.5 | 118.2 ± 14.8 | 127.5 ± 19 | 116.4 ± 8.4 |
| Race/ethnicity, mg/d | ||||||
| Non-Hispanic white | 81.5 ± 8.8 | 68.8 ± 4.7 | 75.9 ± 6.1 | 69.4 ± 6.0 | 84.2 ± 5.1 | 67.4 ± 7.2 |
| Non-Hispanic black | 38.9 ± 2.6 | 37.1 ± 2.9 | 38.4 ± 3.5 | 42.1 ± 4.1 | 37.7 ± 5.3 | 42.2 ± 5.2 |
| Mexican Americanb | 52.9 ± 2.3 | 47.4 ± 3.4 | 50.7 ± 5.1 | 39.5 ± 3.7 | 41.8 ± 4.0 | 42.4 ± 3.3 |
| PIR, mg/d | ||||||
| 0%–99% of FPT | 86.1 ± 11.2 | 52.9 ± 4.5 | 61.2 ± 6.5 | 68.1 ± 15.9 | 75.7 ± 12.8 | 60.6 ± 5.0 |
| 100%–199% of FPT | 98.1 ± 22.3 | 65.8 ± 6.9 | 62.3 ± 8.6 | 61.8 ± 9.3 | 79.5 ± 12.5 | 60.5 ± 7.0 |
| 200%–299% of FPT | 63.3 ± 7.1 | 60.5 ± 7.8 | 59.3 ± 9.3 | 54.5 ± 6.8 | 62.2 ± 6.2 | 51.2 ± 7.3 |
| 300%–399% of FPT | 62.9 ± 8.4 | 83.9 ± 18.4 | 81.8 ± 12.7 | 54.1 ± 5.9 | 62.3 ± 14.2 | 68.8 ± 21.3 |
| ≥400% of FPT | 69.4 ± 7.0 | 59.7 ± 5.7 | 74.1 ± 9.7 | 58.6 ± 8.9 | 60.8 ± 6.2 | 49.8 ± 6.7 |
Data are presented as means ± SEs. FPT, federal poverty threshold.
a
Indicates significant linear trend, P < .001.
b
Indicates significant linear trend, P < .01.