Table 2. Health behaviors of middle-aged and older cancer survivors and participants without cancer from CHARLS.

Characteristic	n (%)	OR (95% CI)	OR (95% CI)†
Former smoker
No cancer	7,380 (44.3)	1.00	1.00
Cancer survivors	115 (32.7)	0.61 (0.49–0.76)*	0.97 (0.67–1.39)
Current smoker
No cancer	4,640 (27.9)	1.00	1.00
Cancer survivors	58 (16.5)	0.51 (0.38–0.68)*	0.75 (0.52–1.08)
Former drinker
No cancer	7,671 (46.1)	1.00	1.00
Cancer survivors	127 (36.1)	0.66 (0.53–0.82)*	0.88 (0.67–1.16)
Current drinker
No cancer	5,778 (34.7)	1.00	1.00
Cancer survivors	61 (17.3)	0.39 (0.30–0.52)*	0.51 (0.37–0.72) *
Physical activity
No cancer	5,142 (65.4)	1.00	1.00
Cancer survivors	99 (58.6)	0.75 (0.55–1.02)	0.75 (0.53–1.06)

^†, adjusted for age, sex, region and number of concomitant chronic diseases; *, P<0.001.