Table 3 Frequencies by race of participant behaviors and characteristics hypothesized to predict PFAS exposure and results of two-sided Fisher’s exact tests for differences in frequency by race

From: Serum concentrations of PFASs and exposure-related behaviors in African American and non-Hispanic white women

  N (%)   N (%)
Predictor response levels Non-Hispanic white African American p All
Seafood
  Never 23 (34) 21 (30) 0.72 44 (32)
  Ever 45 (66) 48 (70)   93 (68)
  Not asked 23 18   41
Glide floss
  Never 46 (51) 48 (55) 0.55 94 (53)
  Ever 45 (49) 39 (45)   84 (47)
Non-stick cookware
  Never 20 (22) 21 (24) 0.86 41 (23)
  Ever 71 (78) 66 (76)   137 (77)
Coated cardboard containers
  Never 32 (35) 27 (31) 0.21 59 (33)
  Low 53 (58) 47 (54)   100 (56)
  High 6 (7) 13 (15)   19 (11)
Microwave popcorn
  Never 74 (81) 63 (72) 0.21 137 (77)
  Ever 17 (19) 24 (28)   41 (23)
Stain-resistant carpet and furniture
  None 49 (54) 57 (66) 0.13 106 (60)
  One or more 42 (46) 30 (34)   72 (40)
Education
  Less than bachelor’s 43 (47) 54 (62) 0.052 97 (54)
  Bachelor’s or more 48 (53) 33 (38)   81 (46)
City served by a PFAS-contaminated water supply
  No 89 (98) 83 (95) 0.44 172 (97)
  Yes 2 (2) 4 (5)   6 (3)
  1. Data were collected from middle-aged women (n = 178) in the Child Health and Development Studies from 2015 to 2016