Table 2.

Serum blood glucose testing in a cohort of Ontario adults aged 40 years and older, without diabetes, 2001–2005.

Time period	Number new tests	Denominator*	% newly tested	Cumulative no. tested	Denominator (total)	Cumulative % tested	Never tested
1 year (2005)	2,043,156	5,071,304	40.30%	2,043,156	5,071,304	40.30%
2 years (2004–2005)	766,250	3,028,148	25.30%	2,809,406	5,071,304	55.40%
3 years (2003–2005)	374,702	2,261,898	16.60%	3,184,108	5,071,304	62.80%
4 years (2002–2005)	244,953	1,887,196	13.00%	3,429,061	5,071,304	67.60%
5 years (2001–2005)	185,139	1,642,243	11.30%	3,614,200	5,071,304	71.30%	28.70%

* Denominator refers to the number of individuals in the cohort who had not previously undergone a serum blood glucose test during the study period (2001–2005)