Kane et al. [12] |
2005 |
700 |
National Survey of CSHCN, single state |
Cross-sectional |
Unmet needs |
Logistic regression; likelihood of unmet need |
Ever uninsured vs. insured all year |
OR = 8.6, p < 0.001 |
No consideration of selection into insurance |
Mayer et al. [13] |
2003 |
38,866 |
National Survey of CSHCN |
Cross-sectional |
Unmet need |
Logistic regression; likelihood of unmet need for specialty care |
Private insurance vs. uninsured |
OR = 4.29, p < 0.01 |
No consideration of selection into coverage type |
Park et al. [14] |
2002 |
1,985 |
National Health Interview Survey |
Cross-sectional |
Utilization |
Proportion having seen a specialist (exact values not reported) |
Uninsured vs. any insurance type |
Less likely vs. any insurance |
No consideration of selection into coverage type |
Perlstein et al. [15] |
1997 |
544 |
Regional cardiac registry |
Retrospective cohort |
Time to referral |
t-test; mean age at referral |
Uninsured vs. "commercial" |
251 days vs. 80 days, p < 0.05 |
No consideration of selection into coverage type |
Szilagyi, et al. [16] |
2000 |
2,126 |
Single SCHIP |
Quasi-experimental |
Utilization |
t-test, difference in number of specialist visits (pre- and post-enrollment) |
Uninsured vs. following SCHIP enrollment |
Fivefold increase in utilization after SCHIP enrollment |
No consideration of selection in program |