Age-group | 2001–2002 | 2003–2004 | 2005–2006 | 2007–2008 | 2009–2010 | 2011–12 | P for linear trend | P for curvilinear trend |
---|---|---|---|---|---|---|---|---|
Total grain (oz eq/d) | ||||||||
Mean ounce equivalent ± standard errorb | ||||||||
n | 3147 | 2747 | 2838 | 2134 | 2263 | 2151 | ||
6–18 years | 7.4 ± 0.1 | 7.5 ± 0.1 | 7.4 ± 0.1 | 6.8 ± 0.2 | 7.2 ± 0. 2 | 7.2 ± 0.2 | 0.0476 | 0.3292 |
n | 4647 | 4456 | 4405 | 5477 | 5820 | 4878 | ||
19+ years | 6.9 ± 0.1 | 6.8 ± 0.1 | 6.7 ± 0.1 | 6.4 ± 0.1* | 6.5 ± 0.1* | 6.8 ± 0.1 | 0.1513 | 0.0041 |
Whole grain (oz eq/d) | ||||||||
Mean ounce equivalent ± standard errorb | ||||||||
n | 3147 | 2747 | 2838 | 2134 | 2263 | 2151 | ||
6–18 years | 0.56 ± 0.03* | 0.49 ± 0.03* | 0.49 ± 0.04* | 0.53 ± 0.04* | 0.61 ± 0.02* | 0.74 ± 0.03 | <0.0001 | <0.0001 |
n | 4647 | 4456 | 4405 | 5477 | 5820 | 4878 | ||
19+ years | 0.72 ± 0.03** | 0.63 ± 0.03** | 0.73 ± 0.03** | 0.69 ± 0.04** | 0.84 ± 0.04** | 0.97 ± 0.05 | <0.0001 | 0.0007 |