Obs	logrr	cases	cat	peryears	dose	variance	study	type	se
1	0	45	0	5931.51	0		"at"	2	
2	-.19319	61	1	12143	1.848	.040689	"at"	2	.2017151
3	-.13365	79	2	14671.52	9.0868	.03651	"at"	2	.1910759
4	-.21673	60	3	12854.3	22.8571	.040872	"at"	2	.2021682
5	-.18672	53	4	10925.75	45.5952	.045251	"at"	2	.2127228
6	0	51	0	96659.16	0		"hp"	2	
7	-.22326	41	1	99390.73	2.1	.044382	"hp"	2	.2106704
8	-.03291	67	2	111751.8	9.5	.03514	"hp"	2	.1874567
9	-.68174	18	3	53704.71	18.8	.076331	"hp"	2	.2762806
10	.22981	67	4	47656.96	40.3	.037321	"hp"	2	.1931864
11	0	111	0	1356.69	0		"nt"	2	
12	.10104	136	1	1782.74	2.2	.03209	"nt"	2	.1791368
13	.17878	200	2	2456.36	9.3	.02841	"nt"	2	.1685527
14	.09578	193	3	2069.8	22.5	.0291	"nt"	2	.1705872
15	.52729	188	4	1266.8	41.3	.0344	"nt"	2	.1854724
16	0	47	0	20756.52	0		"ny"	2	
17	-.31875	135	1	90930.18	.9667	.029247	"ny"	2	.1710175
18	-.05356	86	2	42533.97	11.4	.033663	"ny"	2	.1834748
19	-.1639	53	3	25430.02	22.8	.041179	"ny"	2	.2029261
20	.15141	71	4	19493.39	45.6	.03705	"ny"	2	.1924838