The eight-item Patient Health Questionnaire (PHQ-8) depression scores and the Generalised Anxiety Disorder Assessment (GAD-7) scores in the pre-COVID-19 and COVID-19 surveys (n=1860)
| Pre-COVID-19 survey | COVID-19 survey | |||
| n | Percentage (95% CI) | n | Percentage (95% CI) | |
| Depression category (PHQ-8) | ||||
| None (PHQ-8 score 0–4) | 1187 | 65% (63% to 68%) | 1001 | 56% (54% to 59%) |
| Mild (PHQ-8 score 5–9) | 414 | 23% (21% to 25%) | 425 | 24% (22% to 26%) |
| Moderate to severe (PHQ-8 score 10–24) | 212 | 12% (10% to 13%) | 349 | 20% (18% to 22%) |
| Missing | 47 | 85 | ||
| Anxiety category (GAD-7) | ||||
| None (GAD-7 score 0–4) | 1280 | 75% (72% to 77%) | 1075 | 61% (58% to 63%) |
| Mild (GAD-7 score 5–9) | 270 | 16% (14% to 18%) | 408 | 23% (21% to 25%) |
| Moderate to severe (GAD-7 score 10–21) | 167 | 10% (8% to 11%) | 289 | 16% (15% to 18%) |
| Missing | 143 | 88 | ||