Prevalence and risk factors for myopia in older adult east Chinese population

BMC Ophthalmology

Table 1 Prevalence of Myopia and High Myopia in Chinese over 60 years old

		Myopia (SE < −0.5D)	Myopia (SE < −0.75D)	Myopia (SE < −1.0D)	Myopia (SE < −5.0D)	Myopia (SE < −6.0D)
	N (%)	n(%, 95% CI)	n(%, 95% CI)	n(%, 95% CI)	n(%, 95% CI)	n(%, 95% CI)
Total	4795	1010	827	683	121	97
Crude rate	–	21.1, 19.9-22.2	17.2, 16.2-18.3	14.2, 13.3-15.2	2.5, 2.1-2.9	2.0, 1.6-2.4
Age-standard rate^a	–	23.5, 22.3-24.7	19.7, 18.6-20.8	16.5, 15.4-17.5	2.7, 2.2-3.1	2.1, 1.7-2.5
Gender
Male	2331	414	336	282	46	36
Male	48.6	17.8, 16.2-19.3	14.4, 13.0-15.8	12.1, 11.8-13.4	2.0, 1.4-2.5	1.5, 1.0-2.0
Female	2464	596	491	401	75	61
Female	51.4	24.2, 22.5-25.9	19.9, 18.4-21.5	16.3, 14.8-17.7	3.0, 2.4-3.7	2.5, 1.9-3.1
Age group,y
60-64	1950	308	228	179	37	32
60-64	40.7	15.8, 14.2-17.4	11.7, 10.3-13.1	9.2, 7.9-10.5	1.9, 1.3-2.5	1.6, 1.1-2.2
65-69	1364	230	118	144	31	28
65-69	28.4	16.7, 14.9-18.9	13.8, 12.0-15.6	10.6, 8.9-12.2	2.3, 1.5-3.1	2.1, 1.3-2.8
70-74	698	159	136	120	25	17
70-74	14.6	22.8, 19.7-25.9	19.5, 16.5-22.4	17.2, 14.4-20.0	3.6, 2.2-5.0	2.4, 1.3-3.6
75-79	493	187	159	139	18	16
75-79	10.3	37.9, 33.6-42.2	32.3, 18.1-36.4	28.2, 24.2-32.2	3.5, 2.0-5.3	3.2, 1.7-4.8
80 and older	290	126	116	101	10	4
80 and older	6.0	43.5, 37.7-49.2	40.0, 34.3-45.7	34.8, 29.3-40.3	3.4, 1.3-5.6	1.4, 0.0-2.7

SE spherical eqivalent, D diopter, CI confidence interval
^aAge-standardized to the 2010 population census of the People’s Republic of China

ISSN: 1471-2415