Blue collar workers: The graph above presents a combination of:
- Unskilled and semi-skilled blue collar workers:
Occupations that normally require less than two years education after compulsory school, such as plant workers, firemen, bus drivers, farm workers, train drivers, hospital ward assistants, seamstresses and truck drivers.
- Skilled blue collar workers:
Occupations that normally require at least two years education after compulsory school, such as bakers, hair stylists, electricians, mechanics, sheet metal workers, typographers and nursing assistants.
White collar workers: The graph above presents a combination of:
- Lower level white collar workers:
Occupations that require less than three years education after compulsory school, such as pharmacy technicians, librarian assistants, driving instructors, catering supervisors, police assistants, telephone operators, and caretakers.
- Intermediate level white collar workers:
Occupations that require at least three to six years education after compulsory school, such as plant supervisors, engineers, lower level compulsory school teachers and nurses.
- Upper level white collar workers (including freelancers with academic occupations):
Occupations that require at least six years education after compulsory school, such as dentists, upper level compulsory school teachers, department heads, social workers, engineers with graduate degrees, and other management positions and managing directors.
Overweight and Obesity: Body Mass Index (BMI) >25 (overweight) and >30 (obese). BMI is calculated as the ratio between body weight (in kilograms) and the squared body height (in metres) (Weight/ (height*height)).
No exercise during leisure time: Persons who answered "Basically never" to the interview question "Do you exercise at least 30 minutes at a time?" Walks of at least 30 minutes are included here.