Table 1. Daily ambient erythemal UVR and DALY rates of cataracts in 31 regions of China (sorted by DALYs/100 000 of all age groups).

Regions	Group		UVR (J/m2)	DALYs/100 000
				All age groups					Age group
	latitude	altitude		Male	Female	Agr	N-Agr	Total	0–64	65–74	≥75
Beijing	3	3	2385	25	47	50	29	36	4	178	402
Tianjin	3	3	2381	32	62	42	51	47	12	307	495
Heilongjiang	3	3	1729	48	55	63	31	51	28	323	364
Shanghai	2	3	2797	32	78	55	56	56	24	186	516
Chongqing	2	2	2553	69	84	82	55	76	29	344	610
Liaoning	3	3	2217	44	111	94	49	77	26	514	625
Shanxi	2	3	2731	43	146	103	79	94	41	535	1025
Zhejiang	1	3	2867	66	127	99	87	96	15	412	1082
Inner Mongolia	3	2	2316	84	122	104	102	103	61	456	751
Hebei	2	3	2463	72	152	130	42	112	49	604	961
Jilin	3	3	2026	74	155	150	75	114	54	639	837
Guizhou	1	2	2797	71	197	139	60	124	29	880	1782
Shaanxi	2	2	2762	120	157	158	50	133	55	723	1317
Hunan	1	3	2775	102	190	160	68	138	61	593	1033
Hubei	2	3	2721	104	207	154	112	144	61	790	1193
Shandong	2	3	2614	88	223	171	69	155	45	944	1556
Jiangsu	2	3	2708	124	205	192	73	156	32	666	1730
Ningxia	2	2	3026	179	160	188	113	164	61	1658	2027
Xinjiang	3	2	3185	90	255	210	96	169	93	1126	1494
Henan	2	3	2700	126	223	188	79	170	48	1029	2140
Jiangxi	1	3	2912	120	259	184	106	173	48	1212	1919
Fujian	1	3	3105	113	264	194	159	188	37	1133	2252
Anhui	2	3	2731	131	251	217	61	188	63	925	1766
Qinghai	2	1	4659	172	205	202	135	189	60	1397	3058
Gansu	2	2	3327	166	240	232	124	189	80	1569	1831
Guangdong	1	3	3281	135	338	230	133	203	41	1397	2408
Hainan	1	3	3913	168	347	299	113	233	42	1572	2637
Guangxi	1	3	3106	186	324	280	154	254	47	1474	2885
Sichuan	2	2	3825	228	340	290	152	255	79	1285	2067
Yunnan	1	2	3961	277	506	305	157	282	79	2271	3393
Xizang	2	1	4867	25	47	365	671	394	215	1927	5379
Total	—	—	—	105	196	177	81	150	47	854	1510

Agr, agricultural population; DALY, disability-adjusted life years; N-Agr, non-agricultural population; UVR, ultraviolet radiation.