Table 1

Ontario data from 2000 to 2004 on childhood complete-for-age immunization coverage levels for DTaP, polio, and MMR antigens; the number of family physicians, pediatricians, and PHNs; population estimates; and the relative number of family physicians, pediatricians, and PHNs per 1000 Ontario residents.

VARIABLE	YEAR
VARIABLE	2000	2001	2002	2003	2004
Immunization coverage for 7-year-olds, %	82.64	85.64	82.03	82.75	79.09
No. of family physicians	9418	9478	9515	9730	9842
No. of pediatricians	709	741	752	753	750
No. of PHNs	3242	3327	3396	3423	3443
Population (in millions)	11.685	11.897	12.102	12.262	12.420
Relative no. of family physicians	0.8060	0.7966	0.7862	0.7935	0.7924
Relative no. of pediatricians	0.0607	0.0623	0.0621	0.0614	0.0604
Relative no. of PHNs	0.2774	0.2796	0.2806	0.2791	0.2772

DTaP—diphtheria and tetanus toxoids and acellular pertussis, MMR—measles, mumps, and rubella, PHN—public health nurse.