Table 2.

Joinpoint regression analysis for FOBT participation in Ontario, 1994–2012 showing actual intercept at each joinpoint and actual slope between joinpoints

Identified segment	Join-point	Intercept		Slope
		Intercept £	95% CI	QPC ^	95% CI
April 1994-April 1997		0.3	(0.15-0.47)	−1.7¥	(−3.9–0.5)
April 1997-July 2005	Q 13	0.15‡	(0.02-0.28)	3.8‡	(3.4–4.2)
July 2005-October 2009	Q 46	0.03	(−0.47-0.53)	7.4‡	(6.4–8.5)
October 2009-January 2010	Q 59	62.1‡	(59–64.9)	−5.5‡	(−9.9--0.9)
January 2010-January 2011	Q 64	0.01	(−4.5-4.5)	8.2‡	(0.9-16)
January 2011-March 2012	Q 68	6‡	(3.1-8.9)	−1.4	(−5.5–2.9)

^£Intercept at each joinpoint calculated as (exp β _{INTERCEPT i}).

^Quarterly percent change (slope) between joinpoints calculated as (exp β _SLOPEi -1)* 100.

¥Baseline trend.

‡Statistically significant if 95% confidence interval does not cross zero.