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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Health Serv Res. 2009 Mar 5;44(3):946–964. doi: 10.1111/j.1475-6773.2009.00952.x

Table 3.

Adjusted marginal effects or betas and 95% confidence intervals (CI) for the relationship between insurance disruption and access to care or preventive care service use*

Probit/regression
Instrumental variable analysis
Variable dy/dx 95 % CI dy/dx 95% CI
Change in clinic/provider in past 12 months
 Any change in clinic or provider 0.06 (−0.02, 0.15) 0.71 (0.59, 0.75)
Perceived access to care
 Satisfaction with access to care 0.13 (−0.09, 0.35) −0.40 (−1.56, 0.76)
 Experienced difficulty/delay in obtaining health care in past 12 months 0.05 (−0.01, 0.11) 0.20 (−0.12, 0.74)
 Take less medicine than prescribed because of cost 0.05 (0.01, 0.11) 0.75 (0.74, 0.77)
Preventive care use in past 12 months
 Complete health exam −0.02 (−0.12, 0.07) 0.47 (−0.86, 0.73)
 Routine dental checkup 0.05 (−0.01, 0.11) 0.12 (−0.51, 0.24)
 Pelvic exam or pap smear 0.003 (−0.1, 0.11) 0.40 (0.25, 0.46)
 Mammogram −0.02 (−0.1, 0.07) −0.05 (−0.64, 0.31)
 Flu shot −0.02 (−0.12, 0.09) 0.27 (−0.59, 0.45)
 Blood pressure checked 0.01 (−0.01, 0.03) 0.03 (−0.53, 0.17)
 Cholesterol test −0.03 (−0.12, 0.07) −0.07 (−0.65, 0.34)
 Heart or exercise stress test −0.05 (−0.12, 0.03) −0.23 (−0.34, 0.37)
*

Items in bold are statistically significant at the p≥0.05 significance level

Represents beta coefficient from linear regression analysis