Table 4 Baseline sociodemographic characteristics of mothers and children enrolled in the wisc study, stratified by farm status
Characteristic | Farm (n = 111) (%) | Non-farm (n = 129) (%) | p-value |
|---|---|---|---|
Mother | |||
 Maternal age (years) | NS | ||
  ≥ 40 | 2 | 2 |  |
  35–39 | 20 | 9 |  |
  30–34 | 40 | 44 |  |
  25–29 | 32 | 40 |  |
  18–24 | 7 | 5 |  |
 Marital status | NS | ||
  Married or living with a partner | 89 | 88 |  |
  Single | 5 | 8 |  |
  Unknown | 6 | 4 |  |
 Education | NS | ||
  High school or less | 6 | 6 |  |
  Associate degree or some college | 29 | 28 |  |
  Bachelor’s degree | 50 | 45 |  |
  Graduate degree | 11 | 18 |  |
  Unknown | 4 | 3 |  |
 Annual household income | NS | ||
  ≥ $100,000 | 18 | 22 |  |
  $25,000–$99,999 | 63 | 68 |  |
  < $25,000 | 9 | 4 |  |
  Unknown | 10 | 6 |  |
 Health insurance | NS | ||
  Private | 37 | 46 |  |
  Public-assisted | 60 | 53 |  |
  Unknown | 3 | 1 |  |
Children | |||
 Enrollment year | NS | ||
  2013 | 5 | 3 |  |
  2014 | 16 | 13 |  |
  2015 | 37 | 41 |  |
  2016 | 23 | 29 |  |
  2017 | 13 | 6 |  |
  2018 | 6 | 8 |  |
 Season of birth | NS | ||
  Winter (Dec–Feb) | 23 | 22 |  |
  Spring (Mar–May) | 28 | 25 |  |
  Summer (Jun–Aug) | 22 | 27 |  |
  Fall (Sep–Nov) | 27 | 26 |  |
 Sex | 0.03 | ||
  Female | 43 | 58 |  |
  Male | 57 | 42 |  |
 Race/ethnicity | NS | ||
  White | 99 | 94 |  |
  Black or African American | 1 | 2 |  |
  Asian | 0 | 2 |  |
  Other | 0 | 2 |  |
 County of residence | < 0.0001 | ||
  Wood | 14 | 68 |  |
  Clark | 23 | 17 |  |
  Marathon | 23 | 19 |  |
  Chippewa | 9 | 0 |  |
  Barron | 8 | 0 |  |
  Other (13 counties)a | 23 | 5 |  |