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Table 1 Participant characteristics for the GB-PBDE project and follow-up study

From: Participant experiences in a breastmilk biomonitoring study: A qualitative assessment

  GB-PBDE Project Follow-Up Study
  Lowell Cambridge/Brookline Total Participants Did Not Respond Lost to Follow Up
N 5 41 46 31 8 7
Age of Mother (years)       
   Average 21.0 33.6 32.2 33.5 31.0 27.7
   Range 19–23 28–41 19–41 28–41 21–39 19–36
Age of Baby at time of follow-up study (months)       
   Average     11.3 12.3 12.4
   Range     (5.8–15) (9–15) (10–17)
Smoking Status       
   Current smoker 40% 2.4% 6.5% 3% 0% 29%
   Former smoker 0% 12.2% 10.9% 12.9% 12.5% 0%
   Never smoker 60% 85.4% 82.6% 84.1% 87.5% 71%
Highest Education Level Achieved       
   HS graduate 40% 0% 6.5% 0% 12.5% 29%
   Some college 60% 0% 4.3% 0% 12.5% 14%
   College grad 0% 100% 89% 100% 75% 57.1%
Race/Ethnicity       
   White 40% 93% 87% 97% 63% 86%
   Asian 60% 0% 7% 0% 25% 0%
   Latina 0% 5% 4% 3% 0% 14%
   Af. American 0% 2% 2% 0% 13% 0%
At time of GB-PBDE Recruitment:       
   Already breastfeeding    63% 71%   
   Planning to breastfeed    37%a 23%   
   Very likely/considering breastfeeding     6%   
  1. a The follow-up questionnaire asked participants who were not already breastfeeding at the time they enrolled in the biomonitoring study to describe whether they were "planning to breastfeed", "very likely to breastfeed", or "considering breastfeeding." The original GB-PBDE questionnaire did not make this distinction; biomonitoring participants were described as either currently breastfeeding or planning to breastfeed.