Patient and Clinic Characteristics*
| Cough Drop Users (N = 363) | Cough Drop Nonusers (N = 184) | Total (N = 548) | P-Value† | |
|---|---|---|---|---|
| Sex | ||||
| Male, n (%) | 114 (31.8) | 73 (39.9) | 188 (34.6) | .07 |
| Female, n (%) | 245 (68.2) | 114 (60.1) | 355 (65.4) | |
| Age (years), mean (SD) | 50.2 (18.2) | 48.2 (18.6) | 49.5 (18.3) | .25 |
| Smoking status | ||||
| Current smoking, n (%) | 50 (14) | 28 (15.3) | 78 (14.4) | .91 |
| Past smoking, n (%) | 99 (27.7) | 51 (27.9) | 150 (27.7) | |
| Never smoking, n (%) | 208 (58.3) | 104 (56.8) | 313 (57.8) | |
| Cough severity (7-point ordinal scale), median (25th to 75th percentile) | 6 (4 to 6) | 5 (4 to 6) | 6 (4 to 6) | .09 |
| Severity category, n (%) | ||||
| Very mild | 3 (0.8) | 4 (2.2) | 7 (1.3) | .052 |
| Mild | 27 (7.5) | 16 (8.7) | 43 (7.9) | |
| Mild/moderate | 2 (0.6) | 2 (1.1) | 4 (0.7) | |
| Moderate | 100 (27.6) | 67 (36.6) | 167 (30.6) | |
| Moderate/severe | 32 (8.8) | 6 (3.3) | 38 (7.0) | |
| Severe | 151 (41.7) | 64 (34.9) | 216 (39.6) | |
| Very severe | 47 (13.0) | 24 (13.1) | 71 (13.0) | |
| Cough duration (days), mean (SD) | 12.5 (9.7) | 9.8 (8.6) | 11.5 (9.4) | <.0001 |
| Clinic, No. respondents (%) | ||||
| A (urban) | 165 (45.5) | 71 (38.6) | 236 (43.1) | .13 |
| B (rural) | 152 (41.9) | 79 (42.9) | 232 (42.3) | |
| C (inner city) | 30 (8.3) | 16 (8.7) | 46 (8.4) | |
| D (rural) | 7 (1.9) | 8 (4.3) | 15 (2.7) | |
| E (suburban) | 9 (2.5) | 10 (5.4) | 19 (3.5) |