Table 3 Percent change in BPA and PFC concentrations with multiple SEP variables in the same modela
| Â | BPA | PFOA | PFOS | PFNA | PFHxS |
|---|---|---|---|---|---|
| Â | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) |
1. Adjusted family income + education b | (n = 2765) | (n = 2756) | (n = 2756) | (n = 2756) | (n = 2756) |
   Adjusted family income quartile 1 | 23.6 (8.7, 40.5) | -23.8 (-30.5, -16.5) | -23.9 (-30.7, -16.4) | -22.1 (-30.8, -12.2) | -22.7 (-32.1, -11.9) |
   Quartile 2 | 18.4 (4.7, 33.9) | -19.0 (-24.7, -12.8) | -18.5 (-24.4, -12.1) | -19.3 (-25.9, -12.0) | -20.5 (-29.9, -9.8) |
   Quartile 3 | 9.5 (-1.6, 21.9) | -12.2 (-18.6, -5.4) | -11.7 (-18.1, -4.8) | -10.2 (-16.1, -3.9) | -13.4 (-21.6, -4.5) |
   Quartile 4 | ref | ref | ref | ref | ref |
   Less than high school | -2.8 (-15.0, 11.0) | 3.6 (-7.1, 15.6) | 5.2 (-5.2, 16.8) | 6.1 (-4.7, 18.2) | 3.6 (-9.4, 18.5) |
   High school grad/GED | 10.6 (-3.1, 26.2) | 8.0 (1.0, 15.4) | 1.1 (-6.9, 9.8) | 1.5 (-6.9, 10.7) | -1.4 (-9.7, 7.8) |
   Some college/AA degree | 12.0 (-3.0, 29.4) | 4.5 (-2.8, 12.3) | 2.5 (-5.8, 11.5) | -3.3 (-11.8, 6.0) | -4.4 (-14.7, 7.0) |
   College grad or above | ref | ref | ref | ref | ref |
2. Adjusted family income + food security status | (n = 4739) | (n = 3953) | (n = 3953) | (n = 3953) | (n = 3953) |
   Adjusted family income quartile 1 | 25.5 (14.3, 37.7) | -20.8 (-27.8, -13.1) | -21.7 (-27.1, -15.9) | -17.8 (-26.2, -8.5) | -19.0 (-27.5, -9.5) |
   Quartile 2 | 18.3 (6.7, 31.1) | -16.5 (-21.4, -11.3) | -16.4 (-21.7, -10.7) | -15.3 (-21.9, -8.1) | -17.5 (-26.9, -6.7) |
   Quartile 3 | 14.9 (5.9, 24.7) | -11.0 (-16.1, -5.6) | -10.5 (-15.6, -5.0) | -10.3 (-15.9, -4.3) | -12.4 (-20.6, -3.3) |
   Quartile 4 | ref | ref | ref | ref | ref |
   Food security very low | 10.7 (-2.6, 25.9) | 4.9 (-7.2, 18.6) | 4.8 (-5.3, 15.9) | 2.3 (-10.6, 17.0) | 3.8 (-13.2, 24.2) |
   Low | -3.6 (-13.1, 7.0) | -2.3 (-9.9, 6.0) | -3.8 (-11.1, 4.1) | -2.7 (-8.8, 3.7) | -1.8 (-12.4, 10.0) |
   Marginal | 2.3 (-5.8, 11.2) | 1.7 (-4.1, 7.9) | 2.1 (-4.9, 9.5) | 0.6 (-9.1, 11.4) | 4.9 (-8.9, 20.8) |
   Full | ref | ref | ref | ref | ref |
3. Adjusted family income + emergency food | (n = 4739) | (n = 3953) | (n = 3953) | (n = 3953) | (n = 3953) |
   Adjusted family income quartile 1 | 24.6 (13.4, 36.9) | -19.7 (-26.1, -12.7) | -20.4 (-25.2, -15.4) | -16.0 (-24.7, -6.2) | -18.4 (-26.1, -9.8) |
   Quartile 2 | 17.8 (6.2, 30.8) | -15.9 (-20.7, -10.8) | -15.8 (-20.7, -10.5) | -14.4 (-21.0, -7.3) | -17.1 (-26.2, -6.8) |
   Quartile 3 | 15.0 (5.9, 24.8) | -10.8 (-15.8, -5.5) | -10.2 (-15.4, -4.8) | -10.1 (-15.7, -4.0) | -12.1 (-20.2, -3.3) |
   Quartile 4 | ref | ref | ref | ref | ref |
   Emergency food yes | 8.3 (-3.7, 21.9) | -5.1 (-13.2, 3.7) | -7.5 (-15.1, 0.8) | -11.8 (-21.6, -0.9) | -0.4 (-12.8, 13.8) |
   No | ref | ref | ref | ref | ref |