TABLE 3.

ANNUAL PERCENT CHANGE* IN NONTUBERCULOUS MYCOBACTERIA PREVALENCE, KAISER PERMANENTE SOUTHERN CALIFORNIA, GROUP HEALTH, 1994–2006

Sex	Age Group	Annual Percent Change (95% confidence interval)
Women	0–59	3.7 (−0.21 to 7.8)
	60–69	1.8 (−1.7 to 5.4)
	70–79	−0.29 (−3.1 to 2.6)
	80+	7.5† (3.4 to 11.8)
	Standardized rate (US 2000)	2.6* (0.76 to 4.4)
Men	0–59	4.3† (0.10 to 8.7)
	60–69	3.9 (−0.70 to 8.7)
	70–79	0.20 (−3.7 to 4.3)
	80+	3.9 (−1.3 to 9.4)
	Standardized rate (US 2000)	2.9† (0.69 to 5.1)

^*As estimated from the model.

^†Statistically significant at P < 0.05.