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Table 1 The validity and reliability of the OSSAa) Variables

From: Development of the opioid self-management scale for advanced Cancer patients with pain and examination of its validity and reliability

Scales and Medical Records

Subscales and variables

Participant Characteristics

Age, sex, PS, presence or absence of a caregiver,

Type of employment, patient history, disease evolution, type of opioids, opioid prescribed and the doses used, duration of opioid use, type of pain and extent of pain (assessed using the numeric rating scale [NRS] for a 24-hour period: worst pain, average pain, pain that interferes with daily life activities and the rate of pain relief).

Self-Care Agency Questionnaire (SCAQ) [26]

Ability to perform self-care operations

Ability to adjust one’s own physical condition based on personal weaknesses

Ability to concentrate one’s attention on self-care

Ability to receive valid support.

Medication Adherence Scale [27]

Medication compliance

Collaboration with healthcare providers

Willingness to access and use information about medication

Acceptance to take medication and how taking medication fits patient’s lifestyle

  1. a) Opioid Self-management Scale for Advanced cancer patients with Pain