Table 2.

Study population, distribution of main variables and risk scores (n=10 355)

	Total (n=10 355) n (%)	Lifestyle index risk score*
Diet
Healthy	5851 (56.5)	(0)
Average	3700 (35.7)	(0.5)
Unhealthy	804 (7.8)	(1)
Physical activity
Active	5332 (51.5)	(0)
Inactive	5023 (48.5)	(1)
BMI category
Normal weight (BMI 18.5-24.9)	4951 (47.8)	(0)
Underweight (BMI <18.5)	128 (1.2)	(0.5)
Overweight (BMI 25–29.9)	3733 (36.1)	(0.5)
Obesity (BMI ≥30)	1543 (14.9)	(1)
Smoking status
Never smoked	5555 (53.6)	(0)
Former smoker	2298 (22.2)	(0.5)
Current smoker	2502 (24.2)	(1)
Lifestyle risk index
Low risk (0–0.5)	2592 (25.0)
Moderate risk (1–1.5)	4030 (38.9)
High risk (2–2.5)	2895 (28.0)
Very high risk (3–4)	838 (8.1)
Work Ability Score
Low work ability (0 – 7)	1379 (13.3)
Good work ability (8–10)	8976 (86.7)

*The numbers in brackets are the risk scores used for each variable when calculating the lifestyle risk index.

BMI, body mass index.