Table 1.

Results of the Joinpoint regression analysis in skin melanoma incidence trends by sex and age, 1991–2015.

Sex	Age Group	Number of Joinpoints	Line Segment		Annual Percent Change	95% Confidence Intervals
			Start	End		Lower	Upper
All	All ages	0	1991	2015	2.9 *	2.7	3.1
	0–39	0	1991	2015	0.9 *	0.6	1.2
	40–59	0	1991	2015	2.6 *	2.3	2.9
	60+	0	1991	2015	3.8 *	3.6	4.0
Men	All ages	0	1991	2015	3.9 *	3.6	4.1
	0–39	0	1991	2015	1.6 *	1.1	2.1
	40–59	0	1991	2015	4.0 *	3.6	4.4
	60+	0	1991	2015	4.3 *	4.0	4.6
Women	All ages	0	1991	2015	2.3 *	2.1	2.5
	0–39	0	1991	2015	0.4	−0.1	0.8
	40–59	0	1991	2015	1.8 *	1.4	2.1
		1	1991	1996	11.8 *	7.3	16.4
			1996	2015	0.8 *	0.3	1.2
	60+	0	1991	2015	3.5 *	3.3	3.8

* Annual percent change is statistically significant (p < 0.05).