Table 2.
Tests of help-seeking in smokers and non-smokers for persistent cough or hoarseness
| Subgroups (N, %) | Univariable ORs for help-seeking for persistent cough (unadjusted), 95% CI | Multivariable ORs for help-seeking for persistent cough (adjusted), 95% CI | |
|---|---|---|---|
| Smoking status | Never/ ex-smokers | 1.00 | 1.00 |
| Current smokers | 0.44 (0.23 to 0.83) | 0.46 (0.21 to 1.00) | |
| Sex | Men | 1.00 | 1.00 |
| Women | 1.61 (0.97 to 2.70) | 1.95 (1.07 to 3.54) | |
| Age | Under 60 years | 1.00 | 1.00 |
| 60 years and older | 1.07 (0.62 to 1.86) | 0.57 (0.28 to 1.16) | |
| Ethnicity | White | 1.00 | 1.00 |
| Non-white | 3.42 (0.92 to 12.73) | 3.43 (0.86 to 13.63) | |
| Marital status | Not married/cohabiting | 1.00 | 1.00 |
| Married/ cohabiting | 1.13 (0.69 to 1.85) | 1.24 (0.68 to 2.26) | |
| Education | Below university | 1.00 | 1.00 |
| University | 0.69 (0.40 to 1.18) | 0.66 (0.35 to 1.23) | |
| Employment | Not working | 1.00 | 1.00 |
| Working | 0.50 (0.30 to 0.85) | 0.35 (0.17 to 0.71) |
Tests for multicollinearity were run. All tolerance statistics were above 0.76 and all variance inflation factor statistics were below 1.31.