Demographics and health characteristics ofpatients with chronic cough, non-cough prematching and matched non-cough (1:4) respondents
| Patients with CC (n=568) | No cough (n=21 415) | Matched non-cough (n=2272) | ||||||
| Mean | SD | Mean | SD | No cough vs CC p value | Mean | SD | Matched non-cough vs CC p value | |
| Age | 56.01 | 15.15 | 52.48 | 16.37 | <0.001 | 56.18 | 15.02 | 0.802 |
| Charlson Comorbidity Index | 0.33 | 0.67 | 0.14 | 0.45 | <0.001 | 0.23 | 0.66 | 0.003 |
| Adapted Charlson Comorbidity Index | 0.23 | 0.55 | 0.13 | 0.43 | <0.001 | 0.22 | 0.64 | 0.810 |
| Gender | % | Count | % | Count | P value | % | Count | P value |
| Male | 61.1% | 347 | 54.6% | 11 698 | 0.002 | 65.0% | 1477 | 0.082 |
| Female | 38.9% | 221 | 45.4% | 9717 | 35.0% | 795 | ||
| Currently employed | ||||||||
| No | 44.4% | 252 | 41.6% | 8915 | 0.192 | 43.2% | 981 | 0.609 |
| Yes | 55.6% | 316 | 58.4% | 12 500 | 56.8% | 1291 | ||
| BMI category | ||||||||
| Underweight (BMI <18.5) | 9.5% | 54 | 11.2% | 2404 | 0.003 | 7.7% | 174 | 0.163 |
| Normal weight (18.5≤BMI<23) | 65.7% | 373 | 66.2% | 14 183 | 70.7% | 1606 | ||
| Overweight (23≤BMI<25) | 16.5% | 94 | 15.5% | 3318 | 15.2% | 346 | ||
| Obese (BMI ≥25) | 5.5% | 31 | 2.9% | 626 | 4.0% | 92 | ||
| Decline to answer | 2.8% | 16 | 4.1% | 884 | 2.4% | 54 | ||
| Smoking status | ||||||||
| Never | 47.0% | 267 | 57.8% | 12 385 | <0.001 | 45.8% | 1040 | 0.862 |
| Former | 23.6% | 134 | 23.5% | 5040 | 24.4% | 554 | ||
| Current | 29.4% | 167 | 18.6% | 3990 | 29.8% | 678 | ||
| Use of alcohol | ||||||||
| Abstain | 33.6% | 191 | 36.2% | 7750 | 0.209 | 30.4% | 690 | 0.133 |
| Currently consume alcohol | 66.4% | 377 | 63.8% | 13 665 | 69.6% | 1582 | ||
| Vigorous exercise in past 30 days | ||||||||
| No | 53.7% | 305 | 53.2% | 11 394 | 0.817 | 51.0% | 1159 | 0.252 |
| Yes | 46.3% | 263 | 46.8% | 10 021 | 49.0% | 1113 | ||
BMI, body mass index; CC, chronic cough.