| Section 1: Demographic data (7 items) | |
| Item 1 | Age |
| Item 2 | Gender |
| Item 3 | Marital status |
| Item 4 | Number of people sharing household |
| Item 5 | Has any household member been diagnosed with COVID‐19? |
| Item 6 | Education level |
| Item 7 | Region in Spain |
| Section 2: Pain‐related outcomes (31 items) a | |
| Item 8 | Higher pain intensity in a numerical rating scale (0–10) |
| Item9 | Pain evolution in the previous 14 days |
| Item 10 | Pain frequency in the previous 14 days |
| Items 11–16 | Pain interference (6 items, 0–10, out of a total of 60) |
| Item 17 | Changes in pharmacological treatment for pain in the previous 14 days |
| Item 18 | Changes in non‐pharmacological treatment for pain in the previous 14 days |
| Item 19 | Have you visited your chiropractor in the previous 14 days? |
| Items 20–23 | If affirmative, satisfaction with hygiene, safety, efficacy and global satisfaction (4 items, 1–4) |
| Items 24–27 | Pain catastrophizing scale, short version (4 items, 0–4, out of a total of 16) |
| Items 28–38 | Tampa Scale of Kinesiophobia, short version (11 items, 1–4, out of a total of 44) |
| Section 3: Psychosocial impact of COVID‐19 (30 items) a | |
| Item 39 | COVID‐19 diagnosis |
| Item 40 | COVID‐19 symptoms |
| Item 41 | Contact with COVID‐19 cases in the previous 14 days |
| Item 42 | Visits to other healthcare professionals (for COVID‐19 or pain) in the previous 2 weeks |
| Item 43 | If affirmative, detail which professional(s) |
| Item 44 | Changes in employment status in the previous 14 days |
| Item 45 | Restrictions which had more direct impact in the previous 14 days |
| Items 46–54 | Degree to which emotions are experienced with regards to the pandemic (9 items, 0–10): Sadness, Worry, Loneliness, Anger, Helplessness, Anxiety, Surprise, Relief, Hope |
| Items 55–61 | Degree to which the pandemic or related situations evoke stress (7 items, 0–10): pandemic‐related stress, restrictions‐related stress, own's health stress, fear of economic difficulties, fear of food shortage, fear of resources shortage, loved ones’ health stress |
| Items 62–68 | General Anxiety Disorder scale (7 items, 0–3, out of a total of 21) |
a
A total of 3 instructional manipulation checks were introduced in the form of 3 screening questions.