age	smoking.status	alive	interviewed
18-24	smoker	53	55
18-24	nonsmoker	61	62
25-34	smoker	121	124
25-34	nonsmoker	152	157
35-44	smoker	95	109
35-44	nonsmoker	114	121
45-54	smoker	103	130
45-54	nonsmoker	66	78
55-64	smoker	64	115
55-64	nonsmoker	81	121
65-74	smoker	7	36
65-74	nonsmoker	28	129
75+	smoker	0	13
75+	nonsmoker	0	64