Table 2 Regression analysis for the association of sociodemographic and socioeconomic factors and learning disability among preterm children aged 3–17 years old (NSCH 2016–2018)

 Hispanics

1.05 (0.87–1.28)

0.91 (0.74–1.12)

0.92 (0.75–1.12)

 Black Non-Hispanic

1.66 (1.35–2.03)

1.33 (1.06–1.66)

1.33 (1.06–1.67)

 Multiracial

0.88 (0.72–1.08)

0.83 (0.67–1.03)

0.83 (0.67–1.03)

 White Non-Hispanic

Reference

Reference

Reference

 Male

1.59 (1.40–1.80)

1.65 (1.44–1.88)

1.65 (1.44–1.88)

 Female

Reference

Reference

Reference

 Currently and adequately insured

0.81 (0.71–0.91)

0.79 (0.70–0.91)

 Not currently and adequately insured

Reference

Reference

 0–99%FPL

2.43 (2.02–2.92)

1.87 (1.50–2.34)

1.85 (1.48–2.31)

 100–199%FPL

2.04 (1.72–2.43)

1.80 (1.46–2.14)

1.76 (1.55–2.14)

 200–399%FPL

1.33 (1.14–1.56)

1.26 (1.10–1.49)

1.26 (1.07–1.49)

 400% FPL and above

Reference

Reference

Reference

 Single parent

1.55 (1.33–1.80)

1.16 (1.00–1.37)

1.15 (0.97–1.36)

 Other Family type/Grandparent

2.20 (1.75–2.76)

1.80 (1.40–2.30)

1.80 (1.41–2.31)

 Two parents

Reference

Reference

Reference

 High school or less

1.59 (1.37–1.85)

1.15 (0.97–1.36)

 Some College or higher

Reference

Reference

 Cannot afford nutritious meals

2.18 (1.75–2.73)

1.55 (1.22–1.97)

0.65 (0.51–0.82)

 Can afford nutritious meals

Reference

Reference

Reference

 3–5-year-old

0.33 (0.26–0.42)

0.33 (0.26–0.43)

2.74 (2.14–3.49)

 6–13-year-old

0.90 (0.79–1.02)

0.91 (0.80–1.05)

3.00 (2.33–3.86)

 14–17-year-old

Reference

Reference

Reference

 Currently and adequately insured (High school or less vs Some college or higher)

0.79 (0.59–1.06)

 Not Currently and adequately insured (High school or less vs Some college or higher)

1.39 (1.14–1.70)