Table 4

Data structure for the conditional model for gap time

pid
gaptime
event
status
grp
1
126
1
1
0
1
90
2
1
0
1
98
3
1
0
1
51
4
0
0
2
42
1
1
1
2
308
2
1
1
2
15
3
0
1

Kuramoto et al. BMC Medical Research Methodology 2008 8:35   doi:10.1186/1471-2288-8-35