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. Author manuscript; available in PMC: 2015 Jul 20.
Published in final edited form as: Birth Defects Res A Clin Mol Teratol. 2013 Sep 2;97(10):685–695. doi: 10.1002/bdra.23173

Table 3.

Crude and Adjusted Odds Ratio Estimates and 95% Confidence Intervals for Association between Selected Sociodemographics and One-Way Travel Time (> 60 Minutes vs. ≤60 Minutes [Reference]) (N=242)

Characteristics Crude odds ratios
(95% confidence intervals)
Adjusted odds ratios
(95% confidence intervals)
Maternal
Age (years)
  < 30 Reference Reference
  30–35 0.76 (0.42–1.37) 0.81 (0.40–1.65)
  ≥ 36 0.75 (0.40–1.41) 0.79 (0.35–1.78)
Education
  Elementary and some high school 1.59 (0.67–3.77) 0.92 (0.25–3.37)
  High school graduate 1.78 (0.89–3.57) 0.86 (0.32–2.34)
  Some college 0.78 (0.41–1.46) 0.45 (0.20–1.01)
  College graduate Reference Reference
Annual household income (before taxes)
  ≤$19,999 1.53 (0.81–2.89) 1.62 (0.49–5.40)
  $20,000 to $49,999 1.86 (1.00–3.47) 2.19 (0.90–5.33)
  ≥$50,000 Reference Reference
Marital status
  Currently married Reference Reference
  Previously married 1.14 (0.56–2.30) 1.10 (0.43–2.83)
  Never married 1.37 (0.65–2.89) 1.19 (0.39–3.60)
No. of children with special health care needs in household (other than child with OFC)
  None Reference Reference
  ≥ 1 child 1.33 (0.76–2.32) 1.20 (0.61–2.37)
Child
Age (years)
  2 0.52 (0.26–1.03) 0.39 (0.17–0.87)
  3 Reference Reference
  4 0.52 (0.26–1.03) 0.51 (0.23–1.11)
  5 0.89 (0.37–2.12) 0.87 (0.31–2.43)
  6 0.51 (0.17–1.47) 0.37 (0.09–1.45)
Race/ethnicity
  Non-Hispanic White Reference Reference
vOthera 0.98 (0.51–1.85) 0.65 (0.28–1.48)
Preterm birth
  < 37 weeks 1.35 (0.71–2.56) 1.35 (0.63–2.87)
  ≥ 37 weeks Reference Reference
Cleft type
  Cleft palate only 1.11 (0.54–2.27) 1.02 (0.43–2.40)
  Cleft lip only Reference Reference
  Cleft lip with cleft palate 1.43 (0.71–2.85) 1.38 (0.60–3.15)
Presence of other anomalies
  Isolated anomaly (orofacial cleft diagnosis only) Reference Reference
  Multiple anomalies (orofacial cleft + another birth defect) 1.58 (0.94–2.65) 1.46 (0.75–2.81)
Sex
  Male Reference Reference
  Female 1.09 (0.65–1.81) 1.04 (0.57–1.92)
Primary insuranceb
  Private health insurance Reference Reference
  Public health insurance 1.46 (0.85–2.49) 1.04 (0.41–2.61)
  Military 2.36 (0.65–8.50) 1.79 (0.42–7.57)

Adjusted for all covariates listed in table and statistically significant results in bold.

a

Other includes respondents who indicated a race of Hispanic, Black/African-American, American Indian, Alaskan Native, Asian, Native Hawaiian, Pacific Islander, or Other.

b

Private health insurance was defined as enrollment in the State Employee Health Plan or a private health insurance plan purchased from an employer or directly from an insurance company. Public health insurance was defined as having enrollment in one of the following insurance plans: North Carolina Health Choice (State Children’s Health Insurance Program), Medicaid, Carolina ACCESS or Health Check. Military insurance was defined as having insurance through Civilian Health and Medical Program of the Uniformed Services, TRICARE (formerly Civilian Health and Medical Program of the Uniformed Services), or the Veteran’s Administration.