. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: J Acad Nutr Diet. 2012 Jan;112(1):64–74. doi: 10.1016/j.jada.2011.08.049

Table 4.

Interaction with poverty status across quartiles of language-based acculturation for select dietary variables in Puerto Rican adults

Dietary Variable^a	Language-based Acculturation Quartile				P for trend	P interaction
Dietary Variable^a	Q1	Q2	Q3	Q4	P for trend	P interaction
Glycemic index
Below poverty^b	57.7 ± 0.3	57.4 ± 0.3	57.5 ± 0.3	57.0 ± 0.4	0.23	0.03
Above poverty^c	58.1 ± 0.5^w	58.1 ± 0.4^w	57.4 ± 0.3^w	55.8 ± 0.3^x	<0.0001
Starch (g/d)
Below poverty	123 ± 2.3	125 ± 1.9	120 ± 2.3	122 ± 2.9	0.63	0.04
Above poverty	131 ± 3.6^wx	133 ± 3.0^w	131 ± 2.4^w	120 ± 2.3^x	0.0003
Fruit (svg/d)
Below poverty	1.7 ± 0.1	1.7 ± 0.1	1.6 ± 0.1	1.6 ± 0.1	0.53	0.008
Above poverty	1.7 ± 0.2^wx	1.4 ± 0.1^w	1.7 ± 0.1^wx	2.1 ± 0.1^x	0.0006
Non-starchy vegetables (svg/d)
Below poverty	1.5 ± 0.1	1.6 ± 0.1	1.4 ± 0.1	1.6 ± 0.1	0.87	0.04
Above poverty	1.4 ± 0.1^w	1.6 ± 0.1^wx	1.8 ± 0.1^wx	2.0 ± 0.1^x	0.0004

Data are means ± SE per day, adjusted for age, sex, total energy, and type 2 diabetes. Starch intake is in grams per day, while intake of fruit and non-starchy vegetables is in servings per day.

Below poverty n = 672.

Above poverty n = 486.