| Category | Sub-category |
| Category I Students’ experiences about drug use and abuse during the sanitary contingency | 1.1) Excessive workloads and higher responsibility 1.2) Forced long lasting coexistence with same persons 1.3) Maximized emotions |
| Category II Skills development to identify a problem and design appropriate solutions | 2.1) Focus the student in the learning process |
| 2.2) Self-care and family care interventions | |
| Category III Skills development to improve interpersonal relationships | 3.1) Improving family relationships |
| Category IV PBL influence in nursing students’ experiences on drug use and abuse due to COVID-19 contingency |
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