Table 3 Total cases (n) and annual percentage changes (95% CI) in incidence of work-related respiratory diseases assuming a constant trend, 1999–2005: SWORD and OPRA

	SWORD: all*	SWORD: core†	SWORD: sample†	OPRA†
All respiratory	n = 7439	n = 6188	n = 1251	n = 525
	+0.3% (−0.9 to 1.6)	+1.1% (−0.2 to 2.5)	−4.3% (−7.2 to −1.3)	−6.0% (−12.3% to 0.9%)
Occupational asthma	n = 1445	n = 1289	n = 156	n = 253
	−1.9% (−5.2 to 1.4)	−0.4% (−4.2 to 3.6)	−13.0% (−20.2 to −5.3)	−12.1% (−19.5 to −4.1)
Non-malignant pleural disease	n = 3258	n = 2837	n = 421	Insufficient cases
	+2.2% (−0.4 to 4.8)	+2.6% ( 0.0 to 5.3)	+2.2% (−4.1 to 9.0)
Mesothelioma	n = 1536	n = 1105	n = 431	Insufficient cases
	−2.6% (−5.7 to 0.7)	−1.2% (−5.2 to 2.9)	−5.4% (−10.3 to 0.3)
Pneumoconiosis	n = 540	n = 453	n = 87	Insufficient cases
	−5.7% (−10.5 to −0.5)	−1.9% (−7.1 to 3.7)	−15.8% (−24.7 to −5.8)

*Models included calendar year, reporter type, month of year and new member. †Models included calendar year, month of year or season and new member.