Table 3

Data structure for Cox Proportional Hazard model that estimates the association between widowhood at given ages and mortality

ID	Start	Stop	Event	W_<45	W_45–54	W_55–64	W_65–74	W₇₅₊	R	C
1	0	47	0	0	0	0	0	0	0	3
1	47	63	1	0	1	0	0	0	1	3
2	0	60	0	0	0	0	0	0	0	6
2	60	85	1	0	0	1	0	0	0	6
3	0	59	1	0	0	0	0	0	0	4

C, number of surviving children; R, remarriage.