Table 1

Patterns of use of the NDDS by FPs and all HCPs in Ontario before and after October 2006

PROVIDERS	NDDS REQUESTS	PROPORTION IN GROUP PRACTICE^*	PROPORTION IN INDIVIDUAL OR OTHER PRACTICE^*	TOTAL NO. OF FPs WITH GROUP ACCESS	TOTAL NO. WITH INDIVIDUAL OR OTHER ACCESS	TOTAL NO. WITH ACCESS TO NDDS (GROUP AND INDIVIDUAL)	PROPORTION OF FPs IN ONTARIO USING THE NDDS^†
All HCPs^‡
• Purchases before 2006	156	59.8	40.2	450.58	62.71	513.29	5.11
• Downloads after 2006	348	57.0	43.0	958.08	149.64	1107.72	11.02
• All HCP access	504	59.8	40.2	1455.72	202.61	1658.33	16.50
FPs^§
• Purchase before 2006	91	59.8	40.2	262.84	36.58	299.42	2.98
• Downloads after 2006	129	57.0	43.0	352.94	55.47	408.41	4.06
• All FP access^\|\|	220	59.8	40.2	635.43	88.44	723.87	7.20

HCP—health care professionals, NDDS—Nipissing District Developmental Screen.
↵* Data from the Local Health Integration Network21 and the National Physician Survey.22
↵† The estimated number of FPs in Ontario was 10 053.21
↵‡ All HCPs are those individuals who purchased or downloaded the NDDS and identified themselves as HCPs, added to those identified as physicians.
↵§ FPs are those individuals who purchased or downloaded the NDDS and identified themselves as physicians.
↵|| All FP access represents the sum of purchases (before October 2006) and downloads (after 2006) of the NDDS by those identified as physicians.