The relationship between season of enrollment, environmental temperature, and RCS diary returns.
| Variables | Winter, Dec 1–Feb 28 | Spring, Mar 1–May 31 | Summer, Jun 1–Aug 31 | Autumn, Sept 1–Nov 30 |
|---|---|---|---|---|
| No. diaries (total cohort N = 154), (%) | ||||
| Total | 40 (26.0) | 48 (31.2) | 44 (28.6) | 22 (14.2) |
| Bath | 25 | 16 | 25 | 9 |
| SLC | 15 | 32 | 19 | 13 |
| Max temperature, °C, mean (SD) | ||||
| Total | 7.1 (3.7) | 18.6 (4.0) | 27.8 (6.5) | 16.0 (4.7) |
| Bath | 8.9 (1.8) | 15.5 (2.8) | 21.4 (1.6) | 14.3 (3.6) |
| SLC | 3.9 (3.8) | 20.2 (3.6) | 33.7 (1.5) | 17.3 (5.2) |
| Min temperature, °C, mean (SD) | ||||
| Total | 0.1 (3.5) | 7.9 (3.7) | 16.3 (4.2) | 6.5 (3.9) |
| Bath | 1.6 (2.7) | 5.0 (3.4) | 12.3 (0.9) | 5.5 (3.3) |
| SLC | −2.7 (2.8) | 9.4 (2.8) | 20.0 (1.7) | 7.1 (4.2) |
| Mean daily RCS, median (IQR) | 2.5 (1.2–4.1) ** | 1.6 (0.8–2.9) | 0.9 (0.4–2.5) | 1.9 (0.7–4.4) |
| Mean daily RP attack frequency, median (IQR) | 1.8 (0.7–3.3) * | 1.4 (0.6–2.2) | 0.9 (0.3–1.6) | 1.6 (0.7–3.0) |
| Mean daily RP attack duration, median (IQR) | 33.6 (11.2–73.9) ** | 15.7 (4.5–43.2) | 15.7 (4.5–43.2) | 33.1 (7.6–42.2) |