Association between lifestyle factors and disease progression in patients with colorectal polyps and early-stage cancer

Table 2 Distribution of lifestyle factors and their association with disease characteristics

Lifestyle factor	Number (%)	Disease progression HR (95% confidence interval)	P value
Physical activity level
Low (< 600 MET-min/week)	45 (37.5)	1.00 (reference)	-
Moderate (600-3000 MET-min/week)	52 (43.3)	0.68 (0.45-0.92)	0.015
High (> 3000 MET-min/week)	23 (19.2)	0.51 (0.33-0.78)	0.002
Dietary pattern
Poor adherence to healthy diet	38 (31.7)	1.00 (reference)	-
Moderate adherence	56 (46.7)	0.72 (0.54-0.96)	0.024
High adherence	26 (21.6)	0.59 (0.41-0.85)	0.005
Smoking status
Never smoker	65 (54.2)	1.00 (reference)	-
Former smoker	32 (26.7)	1.28 (0.92-1.78)	0.142
Current smoker	23 (19.1)	1.85 (1.32-2.59)	0.001
Sleep quality
Good (PSQI ≤ 5)	48 (40.0)	1.00 (reference)	-
Poor (PSQI > 5)	72 (60.0)	1.45 (1.12-1.88)	0.005

PSQI: Pittsburgh Sleep Quality Index; HR: Hazard ratio.