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Table 2 Risk factor hierarchical categorization as defined by GBD study 2019 [14]

From: Burden of disease attributable to risk factors in European countries: a scoping literature review

Level

Risk factor

Level 1

Environmental/occupational risks

Level 2

Unsafe water, sanitation, and handwashing

Level 3

Unsafe water source

Level 3

Unsafe sanitation

Level 3

No access; handwashing facility

Level 2

Air pollution

Level 3

Particulate matter pollution

Level 4

Ambient particulate matter pollution

Level 4

Household air pollution from solid fuels

Level 3

Ambient ozone pollution

Level 2

Non-optimal temperature

Level 3

High temperature

Level 3

Low temperature

Level 2

Other environmental risks

Level 3

Residential radon

Level 3

Lead exposure

Level 2

Occupational risks

Level 3

Occupational carcinogens

Level 4

Occupational exposure; asbestos

Level 4

Occupational exposure; arsenic

Level 4

Occupational exposure; benzene

Level 4

Occupational exposure; beryllium

Level 4

Occupational exposure; cadmium

Level 4

Occupational exposure; chromium

Level 4

Occupational exposure; diesel engine exhaust

Level 4

Occupational exposure; formaldehyde

Level 4

Occupational exposure; nickel

Level 4

Occupational exposure; polycyclic aromatic hydrocarbons

Level 4

Occupational exposure; silica

Level 4

Occupational exposure; sulfuric acid

Level 4

Occupational exposure; trichloroethylene

Level 3

Occupational asthmagens

Level 3

Occupational particulate matter, gases, and fumes

Level 3

Occupational noise

Level 3

Occupational injuries

Level 3

Occupational ergonomic factors

Level 1

Behavioral risks

Level 2

Child and maternal malnutrition

Level 3

Suboptimal breastfeeding

Level 4

Non-exclusive breastfeeding

Level 4

Discontinued breastfeeding

Level 3

Child growth failure

Level 4

Child underweight

Level 4

Child wasting

Level 4

Child stunting

Level 3

Low birth weight and short gestation

Level 4

Low birth weight

Level 4

Short gestation

Level 3

Iron deficiency

Level 3

Vitamin A deficiency

Level 3

Zinc deficiency

Level 2

Tobacco

Level 3

Smoking

Level 3

Chewing tobacco

Level 3

Secondhand smoke

Level 2

Alcohol use

Level 2

Drug use

Level 2

Dietary risks

Level 3

Diet low in fruits

Level 3

Diet low in vegetables

Level 3

Diet low in legumes

Level 3

Diet low in whole grains

Level 3

Diet low in nuts and seeds

Level 3

Diet low in milk

Level 3

Diet high in red meat

Level 3

Diet high in processed meat

Level 3

Diet high in sugar-sweetened beverages

Level 3

Diet low in fiber

Level 3

Diet low in calcium

Level 3

Diet low in seafood omega-3 fatty acids

Level 3

Diet low in polyunsaturated fatty acids

Level 3

Diet high in trans fatty acids

Level 3

Diet high in sodium

Level 2

Intimate partner violence

Level 2

Childhood sexual abuse and bullying

Level 3

Childhood sexual abuse

Level 3

Bullying victimization

Level 2

Unsafe sex

Level 2

Low physical activity

Level 1

Metabolic risks

Level 2

High fasting plasma glucose

Level 2

High LDL cholesterol

Level 2

High systolic blood pressure

Level 2

High body-mass index

Level 2

Low bone mineral density

Level 2

Impaired kidney function