Table 7.

Predictors of Perceived Competition and Need for Additional Pediatric Subspecialists in Final Logistic Regression

Models
Predictor VariablesBWald Chi2Odds Ratio95% Confidence
Interval
D.V. = Face Competition
Years in practice−.01012.6.990(.984–.995)*
Female gender−.23217.5.793(.712–.884)*
International medical graduate−.31723.4.728(.640–.828)*
Percent time in direct patient care.0048.41.004(1.001–1.006)*
Type of employment site (solo practice is reference)
Group practice.024.11.02(.839–1.25)
HMO staff model−1.794108.2.166(.119–.233)*
Nonprofit community or uniform−1.28753.1.276(.195–.390)*
Medical school hospital−.095.7.910(.734–1.128)
Community staff model−.3779.3.686(.538–.874)*
Other site−1.04748.7.351(.261–.471)*
Type of location (Urban/inner city is reference)
(Urban/not inner city−.1093.2.897(.796–1.01)
Suburban.068.81.070(.921–1.245)
Rural−.62425.5.536(.421–.683)*
Subspecialty type (Pediatric medical is reference)
Separate specialty board.27415.61.316(1.148–1.508)*
Pediatric surgical.75555.22.13(1.743–2.596)*
Region (Northeast is reference)
Midwest.1886.41.207(1.043–1.396)*
South.1847.41.202(1.053–1.373)*
West.1342.91.143(.980–1.333)
D.V. = Do not need additional pediatric subspecialists
Years in practice.01635.71.017(1.011–1.022)*
Female gender−.16710.6.847(.766–.936)*
Percent of direct patient care time with pediatric patients−.00715.7.993(.990–.997)*
Type of employment site (solo practice is reference)
Group practice.041.21.041(.870–1.246)
HMO staff model−.019.0.981(.712–1.354)
Nonprofit community or uniform−.3153.3.730(.521–1.023)
Medical school hospital.050.31.052(.878–1.260)
Community staff model−.2816.1.755(.605–.944)*
Other site.058.21.060(.792–1.417)
Type of location (Urban/inner city is reference)
Urban/not inner city−.1719.3.843(.755–.941)*
Suburban.1243.01.131(.984–1.310)
Rural−.3518.5.704(.556–.891)*
Subspecialty type (Pediatric medical is reference)
Separate specialty board−.012.0.988(.867–1.125)
Pediatric surgical1.337145.53.807(3.064–4.730)*
Region (Northeast is reference)
Midwest−.27014.5.764(.665–.877)*
South−.39437.4.674(.594–.765)*
West−.2349.8.792(.684–.916)*
  • * Significant at P < .05 level.