Table 2: Measures of prior health care system contact.

OverallType of cancer
BreastColorectalLungProstate
% % % % %
154,69210036,21223.433,00521.335,76123.149,71432.1

NCI comorbidity index
 0100,92965.325,17469.522,15167.119,28453.934,32069.0
 134,77822.57,58220.96,91721.09,89027.710,38920.9
 ≥218,98512.33,4569.53,93711.96,58718.45,00510.1
Preventive services
 033,87321.96,93719.28,32225.28,86624.89,74819.6
 140,73526.38,58223.79,56729.09,64027.012,94626.0
 ≥280,08451.820,69357.115,11645.817,25548.327,02054.4
Types of physician visits
 Primary care and medical specialist87,43656.521,85760.417,59153.319,57354.728,41557.2
 Primary care, no medical specialist22,46214.57,28520.16,57719.96,49018.26,68613.5
 Medical specialist, no primary care27,03817.53,83910.64,73814.45,06014.28,82517.8
 Other specialist only3,9522.69422.68782.79512.71,1812.4
 None13,8048.92,2896.33,2219.83,68710.34,6079.3