Table 1.
Description of participants
| Participant | Age/gender | Reason for mismatch |
| Jerry | 49/M | GRC—Felt worse each week but PHQ-9 Score remained the same. |
| Hugo | 67/M | GRC—Felt the same at week 2 but PHQ-9 Score remained the same. |
| Laura | 36/F | GRC—Felt much worse at week 2 and 3 but PHQ-9 Score improved. |
| Michael | 56/M | GRC—Felt slightly better at week 2 but PHQ-9 Score declined. Felt the same at week 3 but score declined. |
| Gary | 51/M | GRC—Felt the same throughout, PHQ-9 Score improved at week 2 and week 4. |
| Jenny | 46/F | GRC—Felt the same at weeks 2 and 3 but declined in week 4 and then improved. Felt slightly better at week 4 but PHQ-9 Score stayed the same. |
| Donna | 45/F | GRC—Felt the same at week 2 but then the score declined. PHQ-9—Felt slightly better at week 4 but the score declined. |
| Brenda | 61/F | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Sid | 67/M | GRC—Felt slightly better at week 3 but later scores declined. PHQ-9—felt the same at week 4 but score improved. |
| Brian | 53/M | GRC—Felt slightly worse at week 3 but PHQ-9 Score remained the same. |
| Susan | 53/F | GRC—Felt the same at week 3 but score declined. PHQ-9—felt the same at week 4 but score improved. |
| Freya | 26/F | GRC—Felt slightly worse at week 2 but score improved. PHQ-9—Felt slightly worse at week 3 but score declined. Felt the same at week 4 and score remained the same. |
| Toby | 48/M | GR—Felt the same at week 2 but the score declined. PHQ-9 —Felt much worse at week 4 but score improved. |
| Penny | 54/F | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Elizabeth | 50/F | GRC—Felt the same at week 2 but PHQ-9 Score improved. |
| Olive | 24/F | GRC—Felt the same at week 3 but PHQ-9 Score improved. GRC—Slight slightly worse at week 4 but PHQ-9 Score dramatically declined. |
| Maddy | 43/F | GRC—Felt the same at week 2 but PHQ-9 Score improved. GRC—Felt better at week 3 but PHQ-9 Score remained the same. GRC—Felt the same at week 4 but PHQ-9 Score improved. |
| Tom | 65/M | GRC—Felt the same at week 3 but PHQ-9 Score declined. GRC—Felt worse at week 3 but PHQ-9 Score improved. GRC—Felt the same at week 4 but PHQ-9 Score declined. |
| Stacey | 62/F | GRC—Felt much worse at weeks 2 and 3 but PHQ-9 Score stayed the same and then improved. Felt much better at week 4 but PHQ-9 Score stayed the same. |
| Lucy | 59/F | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Sophie | 55/F | GRC—Felt the same at week 2 but PHQ-9 Score declined. GRC—Felt much worse at week 3 but PHQ-9 Score improved. |
| Anne | 51/F | GRC—Felt much worse at week 2 but PHQ-9 Score improved. GRC—Felt much worse at week 4 but PHQ-9 Score remained the same. |
| Pippa | 59/F | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Vivien | 35/F | GRC—Felt the same at week 3 but PHQ-9 Score declined. |
| Alice | 66/F | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Ryan | 57/M | GRC—Felt the same throughout but PHQ-9 Score fluctuated. |
| Pauline | 52/F | GRC—Felt much worse at week 3 but PHQ-9 Score stayed the same. |
| Sally | 59/F | GRC—Felt the same at week 3 but PHQ-9 Score declined. Felt much worse at week 4 but PHQ-9 Score remained the same. |
| Jim | 66/M | GRC—Felt worse at weeks 2 and 3 but PHQ-9 Score remained the same. Felt the same at week 4 but PHQ-9 Score declined. |