Table 4. Age-standardized prevalence and average annual percentage change (AAPC) in prevalence of various types of disability, by sex and residence, China, 1987–2006.

Characteristic by disability type	Age-standardized prevalence (%)		AAPC (95% CI)
	1987	2006
Visual
Sex
Male	0.8	0.7	−2.2 (−3.5 to −0.9)
Female	1.2	0.9	−4.7 (−5.6 to −3.8)
Residence
Rural	1.0	0.9	−1.7 (−2.7 to −0.7)
Urban	1.0	0.6	−8.2 (−10.2 to −6.0)
Hearing and speech
Sex
Male	2.3	1.8	−4.0 (−4.5 to −3.5)
Female	2.0	1.4	−5.8 (−6.3 to −5.2)
Residence
Rural	2.2	1.8	−3.3 (−3.7 to −2.8)
Urban	2.1	1.3	−7.7 (−8.7 to −6.7)
Physical
Sex
Male	1.1	2.0	10.5 (9.6 to 11.3)
Female	0.8	1.5	11.0 (9.9 to 12.3)
Residence
Rural	0.9	1.9	13.3 (12.3 to 14.3)
Urban	0.9	1.5	8.9 (6.6 to11.3)
Intellectual
Sex
Male	1.3	0.9	−5.9 (−6.8 to −5.1)
Female	1.2	0.7	−8.6 (−9.6 to −7.6)
Residence
Rural	1.2	0.9	−4.7 (−5.5 to −3.8)
Urban	1.2	0.5	−13.6 (−15.5 to −11.7)
Mental
Sex
Male	0.2	0.5	16.5 (12.0 to 21.7)
Female	0.3	0.6	12.2 (9.1 to 15.7)
Residence
Rural	0.2	0.6	20.1 (15.7 to 25.1)
Urban	0.3	0.4	4.9 (−1.3 to 12.7)

CI, confidence interval.