Table 1

Matching results (baseline equivalence) for statewide and rural border county HSP participants

StatewideRural border counties
Non-HSPHSPMatchesP valueSDNon-HSPHSPMatchesP valueSD
N966 809721253 94855 22323937045
Maternal age (years)
 Age <209.917.516.90.3210.01712.421.421.30.9440.013
 Age 20–2425.334.434.80.56429.837.537.50.976
 Age 25–3034.028.428.60.82533.724.824.40.763
 Age>3030.819.719.71.00024.116.316.70.697
Race/ethnicity
 White42.424.023.70.6530.02728.214.715.40.4920.054
 American Indian6.011.812.00.7001.00.60.60.852
 Latina41.859.159.70.43665.980.981.10.825
 Other race/ethnicity9.85.14.60.1424.93.82.90.077
Maternal nativity
 Mother born in USA73.668.669.20.4610.01468.468.469.80.2880.045
 Mother born in Mexico18.727.927.50.60227.830.129.10.448
 Mother born outside USA7.63.53.30.5503.81.51.10.201
Mother’s education
 Less than high school21.732.732.90.8110.05222.229.129.20.9360.037
 High school/GED28.835.735.70.97234.938.239.20.458
 Some post-secondary25.223.823.50.71026.025.424.30.385
 4-year degree or more22.57.37.00.42016.17.16.90.821
 Education missing1.70.30.70.0030.70.10.20.489
Insurance/payer
 Private/commercial insurance41.113.713.70.9040.01436.513.512.70.3910.025
 Medicaid53.882.582.80.61356.283.184.00.413
 Other insurance5.13.83.50.4247.33.43.30.936
Married54.537.837.40.6800.00756.339.137.70.3420.027
Cohabiting75.662.462.80.5700.01471.658.558.80.8140.009
First birth36.941.640.50.1600.02336.351.851.00.5630.017
Pre-existing health risk8.311.310.80.2760.0187.49.88.50.1200.045
  • Matches: comparison group identified via propensity score. All models control for median income at the zip code level, county of residence and year of birth. Participant subgroups matching models may include additional interactions between controls in order to achieve baseline equivalence. Full tables available upon request.

  • GED, general education development test; HSP, Health Start Programme; SD, standardised difference.