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Table 2 Comparison of characteristics of GROW respondents (2012–2013), MIHA (2003–2007) respondents, and the Target Population (2003–2007), six counties

From: Survey methodology of the geographic research on wellbeing (GROW) study

Birth certificate variable Characteristics of women in GROW, MIHA, and in the target population
All grow counties, %
GROWUnweighted GROWWeighted MIHAUnweighted MIHAWeighted Targeta
Total, N 2996b 1,531,072 9954 1,531,072 1,531,072
Race/ethnicity (%)
 Missing 1.8 2.0 1.8 1.7 1.7
 African American 11.6 6.5 15.3 6.4 6.3
 Asian/Pacific Islander 9.7 14.5 11.0 14.9 15.1
 Latina 43.7 51.7 47.6 51.5 51.8
 White, non-Latina 32.9 24.8 24.0 25.2 24.8
 Other 0.4 0.6 0.4 0.5 0.3
Birthplace (%)
 Missing 0.0 0.0 0.1 0.1 0.1
 Foreign-born 40.8 51.4 46.1 51.7 52.1
 US-born 59.2 48.5 53.8 48.2 47.8
Age, years (%)
 15–19 5.7 7.4 8.9 8.1 8.4
 20–24 16.7 20.8 21.6 21.1 21.0
 25–29 24.3 27.2 25.8 26.3 26.0
 30–34 28.0 24.0 25.2 25.8 26.0
 ≥35 25.3 20.7 18.6 18.7 18.6
Education (%)c
 Missing 2.5 2.3 1.8 1.7 1.6
 ≤8th grade 9.0 11.1 9.3 9.8 9.9
 Some high school 14.9 17.2 20.0 18.9 18.7
 High School graduate 17.8 22.5 21.9 23.2 23.6
 Some college or more 55.8 47.0 47.0 46.4 46.2
  1. aAll births in the six GROW counties
  2. bGROW respondents exclude 20 women who were sampled into GROW who did not reside in a GROW county at birth, but did reside in a GROW county at MIHA
  3. cFrom 2003 to 2005, education was coded in number of years; this was recoded to be consistent throughout the study period