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. 2019 Jun 22;38:100677. doi: 10.1016/j.dcn.2019.100677

Table 2.

ITN and Parent Education Information.

ITN grouping Frequency Percent Cumulative Percent
 0.00–1.00 5 7.40 % 7.40 %
 1.00–2.00 10 14.70 % 22.10 %
 2.00–3.00 11 15.90 % 38.20 %
 3.00–4.00 9 13.20 % 51.50 %
 4.00–5.00 5 7.40 % 58.80 %
 5.00–6.00 7 10.30 % 69.10 %
 6.00–7.00 6 8.80 % 77.90 %
 7.00–8.00 4 5.90 % 83.80 %
 8.00–9.00 4 5.90 % 89.70 %
 9.00–10.00 1 1.50 % 91.20 %
 >10.00 6 8.80 % 100 %



Maternal Education
 Some middle school or some high school 3 4.30 % 4.30 %
 High school graduate or GED 3 4.30 % 8.70 %
 Some college 8 11.60 % 20.30 %
 4-year college degree 20 29.00 % 49.30 %
 Graduate degree 35 50.70 % 100.00 %



Paternal Education
 Some middle school or some high school 2 2.90 % 2.90 %
 High school graduate or GED 12 17.60 % 20.60 %
 Some college 8 11.80 % 32.40 %
 4-year college degree 14 20.60 % 52.90 %
 Graduate degree 32 47.10 % 100.00 %

Note: ITN refers to the level of a household’s income relative to the federal poverty line. Thus an ITN of 1.00 means that a family has an income at the federal poverty line. An ITN of 2.00 means that family has an income 2x that of the federal poverty line, etc.