freq infection control harper koutsky patricia future  16      31      45
1	1	0	1	0	0	0	1	0	0
7	1	0	0	1	0	0	1	0	0
23	1	0	0	0	1	0	1	0	0
413	0	0	1	0	0	0	1	0	0
748	0	0	0	1	0	0	1	0	0
6140	0	0	0	0	1	0	1	0	0
19	1	1	1	0	0	0	1	0	0
111	1	1	0	1	0	0	1	0	0
345	1	1	0	0	1	0	1	0	0
366	0	1	1	0	0	0	1	0	0
639	0	1	0	1	0	0	1	0	0
5673	0	1	0	0	1	0	1	0	0
31	1	0	0	0	1	0	0	1	0
57	1	1	0	0	1	0	0	1	0
1005	0	0	0	0	1	0	0	1	0
975	0	1	0	0	1	0	0	1	0
24	1	0	0	0	1	0	0	0	1
26	1	1	0	0	1	0	0	0	1
1012	0	0	0	0	1	0	0	0	1
1006	0	1	0	0	1	0	0	0	1
46	1	0	0	0	0	1	0	1	0
215	1	1	0	0	0	1	0	1	0
7348	0	0	0	0	0	1	0	1	0
7183	0	1	0	0	0	1	0	1	0
23	1	0	0	0	0	1	0	0	1
94	1	1	0	0	0	1	0	0	1
7564	0	0	0	0	0	1	0	0	1
7446	0	1	0	0	0	1	0	0	1