Table 3.

Associations between lifestyle factors and likelihood of low work ability (n=10 355)

Model 1	ORcrude	ORadj1*	ORadj2†
Diet
Healthy (ref.)	1.0	1.0	1.0
Average	1.2 (1.03 to 1.3)	1.1 (0.98 to 1.3)	1.1 (0.98 to 1.3)
Unhealthy	1.4 (1.2 to 1.7)	1.3 (1.1 to 1.6)	1.3 (1.02 to 1.5)
Physical activity
Active (ref.)	1.0	1.0	1.0
Inactive	1.6 (1.4 to 1.8)	1.4 (1.3 to 1.6)	1.4 (1.2 to 1.6)
BMI (kg/m2)
Normal weight (ref.)	1.0	1.0	1.0
Underweight (BMI <18.5)	1.5 (0.91 to 2.4)	1.4 (0.86 to 2.2)	1.3 (0.82 to 2.2)
Overweight (BMI 25-29.9)	1.2 (1.01 to 1.3)	1.1 (0.97 to 1.3)	1.1 (0.97 to 1.3)
Obesity (BMI ≥30)	1.6 (1.4 to 1.9)	1.5 (1.3 to 1.8)	1.5 (1.3 to 1.7)
Smoking status
Never smoked (ref.)	1.0	1.0	1.0
Former smoker	1.4 (1.2 to 1.6)	1.4 (1.2 to 1.6)	1.2 (1.1 to 1.4)
Current smoker	1.6 (1.4 to 1.9)	1.5 (1.3 to 1.8)	1.3 (1.2 to 1.5)

Model 2	ORcrude		ORadj2†
Lifestyle risk index
Low-risk score (0–0.5)	1.0		1.0
Moderate-risk score (1–1.5)	1.4 (1.2 to 1.7)		1.3 (1.1 to 1.6)
High-risk score (2–2.5)	2.2 (1.8 to 2.5)		1.9 (1.6 to 2.2)
Very high risk score (3–4)	2.8 (2.3 to 3.5)		2.4 (1.9 to 3.0)

*Adjusted for other lifestyle factors.

†Adjusted for other lifestyle factors, gender, age, educational level and occupational group.

BMI, body mass index.