Table 1.

Survey sections and number of questions.

Section	Description	Number of questions
1. Number of beds	The number of beds available per 100,000 inhabitants	2
2. Multidisciplinary team of the AIPUa	The number of staff available in each AIPU	9
3. Infrastructure and AIPU models	The architectural structure, resources and the AIPU model: locked or nonlocked	19
4. Profiles of patients admitted to AIPUs	Age, patients over 65 years old, patients with cognitive impairment, and patients under 18 years old	8
5. Access Organization of Care	The route of referral to the AIPU, patient distribution, use of scales, questionnaires, clinical guidelines, and standardized operating procedures	14
6. Specific interventions offered by the AIPU	Specific interventions such as: medical interdisciplinary consultations, electroconvulsive therapy, or transcranial magnetic stimulation	5
7. Integration and coordination of the AIPU	The integration and coordination between the professionals that make up the AIPU and also with other hospital services, as well as other levels of care	1
8. Participation of people with mental health problems and their relatives	The participation of the patients and their relatives in the decision processes and the use of satisfaction questionnaires for patients and relatives	5
9. Activity of the AIPU	Markers of activity such as total admissions per 100,000 inhabitants, ratio of total planned vs emergency admissions, ratio of voluntary vs nonvoluntary admissions, percentage of admissions per diagnostic group, mean stay, readmissions (at 7 and 30 days), voluntary discharges	6
10. Training	Number of staff taking part in teaching activities, as well as the number of medical and nursing students	3
11. Research	The participation of the AIPU in public and private research, development, and innovation	4
General and complementary information	Hospital type, participant profile, quality indicators, and best practices	28

^aAIPU: acute inpatient psychiatric unit.