Table 5.
Sleep disorders in the previous 12 months.
| Sleep disorder | Both cohorts (n = 1553) | 12-month chronic cough cohort (n = 389) | Matched non-chronic cough cohort (n = 1164) | p value |
|---|---|---|---|---|
| Responded to question (n) a | n (%) b | n (%) b | ||
| Experienced in the previous 12 months | ||||
| Any | 1545 | 286 (73.6) | 513 (44.3) | <0.001 |
| Specific disorders | 1545 | |||
| Insomnia | 1545 | 186 (48.1) | 296 (25.6) | <0.001 |
| Narcolepsy | 1545 | 9 (2.3) | 5 (0.4) | 0.002 |
| Sleep apnea | 1545 | 59 (15.2) | 79 (6.8) | <0.001 |
| Other sleep difficulties | 1545 | 154 (39.8) | 243 (21.0) | <0.001 |
| Diagnosed by a physician in the previous 12 months | ||||
| Any | 1540 | 143 (37.1) | 209 (18.1) | <0.001 |
| Specific disorders | ||||
| Insomnia | 1539 | 99 (25.8) | 138 (11.9) | <0.001 |
| Narcolepsy | 1540 | 1 (0.3) | 1 (0.1) | 1.000 |
| Sleep apnea | 1539 | 35 (9.1) | 58 (5.0) | 0.004 |
| Other sleep difficulties | 1542 | 51 (13.2) | 71 (6.1) | <0.001 |
aThe remaining cohort members declined to answer these questions.
bPercentage based on the number of members of that cohort who responded to that specific question.