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Table 4 Categories and subcategories extracted from studies

From: Factors related to advance directives completion among cancer patients: a systematic review

Categories

Subcategories

Attitude

Lack of understanding of the ADs concept

Previous experience of the disease

Subjective norms

Social support and interaction with family

Respecting the wishes of the patient

EOL care choices

Perceived control behavior

Decision making

Access to the healthcare system

External factors affecting the model

Socio-demographic characteristics