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Table 3 Linear regression model comparing Dietary Exposure Risk Questionnaire and 24-hr Dietary Recall Data with imputed data

From: Development and evaluation of a novel dietary bisphenol A (BPA) exposure risk tool

 

Model 1: Weighted servingsa

Model 2: Overall grams of BPA Containing Food

Dietary exposure risk questionnaire responses

Estimate (SE)

P-value

Estimate (SE)

P-value

How often do you eat canned food? (ref = None)

 1–2 times/week

0.78 (0.22)b

<.001

30.42 (17.53)

0.084

 3–5+ times/week

0.89 (0.36)

0.013

21.69 (28.69)

0.446

How often do you microwave food stored in plastic containers (ref = Never)

 Infrequently/sometimes

−0.23 (0.27)

.403

−11.06 (22.33)

0.621

 Often/always

−0.05 (0.35)

.890

−33.02 (27.11)

0.224

How often do you drink beverages from a re-usable, hard plastic bottle? (ref = Don’t know/never)

 Infrequently/sometimes

−0.02 (0.35)

0.957

2.13 (27.48)

0.938

 Often/always

−0.09 (0.34)

0.784

2.76 (27.15)

0.919

Do you drink hot beverages from a hard, clear plastic cup? (ref = Don’t know/never)

 Infrequently/sometimes

−0.17 (0.30)

0.565

1.45 (21.91)

0.947

 Often/always

0.15 (0.36)

0.670

30.96 (28.92)

0.291

How often do you microwave your food with plastic stretch wrap on? (ref = Don’t know/never)

 Infrequently/sometimes

−0.03 (0.24)

0.904

−15.31 (20.09)

0.449

 Often/always

−0.71 (0.62)

0.263

−29.37 (48.36)

0.546

In a typical day, how many prepared, microwavable meals do you eat? (ref = Don’t know/none)

 1–2 items/day

0.18 (0.38)

0.641

22.31 (30.04)

0.458

 3+ items/day

0.16 (0.30)

0.594

20.51 (23.94)

0.392

In a typical day, how many packaged food items do you eat? (ref = None)

 1–2 items/day

−0.21 (0.31)

0.495

12.65 (24.32)

0.603

 3–5+ items/day

0.34 (0.37)

0.359

62.65 (29.81)

0.036

  1. aWeighted servings calculated with: # of servings x multiplier according to the type of food. Canned food X 1.0, Microwaved food × 0.25, packaged food X 0.25
  2. bBolded values are significant. P < 0.05
  3. Weighted servings model: F (17, 39.21) = 1.378, p = 0.199, R2 3.2%
  4. Overall grams model: F (17, 36.25) = 0.882, p = 0.598, R2 1.7%