Table 3.
Simple linear regression and multiple linear regression analyses of CRSOM-31 score (per 10 units).
| Variable | Simple linear regression analysis | Multiple linear regression analysis | ||
|---|---|---|---|---|
| β (95% CI) | P | β (95% CI) | P | |
| Factor 1 | 2.05 (0.82, 3.29) | 0.001 | 1.93 (0.74, 3.11) | 0.002 |
| Factor 2 | 1.80 (0.56, 3.04) | 0.005 | 1.58 (0.39, 2.76) | 0.009 |
| Factor 3 | 1.07 (−0.19, 2.32) | 0.096 | 1.37 (0.18, 2.56) | 0.024 |
| Factor 4 | 0.39 (−0.88, 1.65) | 0.546 | ||
| Factor 5 | −0.24 (−1.51, 1.02) | 0.705 | ||
| Factor 6 | 1.26 (0.01, 2.52) | 0.049 | ||
| Age (/10 year) | −0.95 (−1.63, −0.27) | 0.006 | ||
| Sex (females versus males) | 3.78 (1.26, 6.30) | 0.003 | 4.54 (2.05, 7.04) | <0.001 |
| Body mass index (kg/m2) | −0.22 (−0.55, 0.11) | 0.194 | ||
| Marital status* | 1.95 (−0.74, 4.44) | 0.154 | ||
| Educational level** | 1.53 (−1.28, 4.34) | 0.285 | ||
| Smoking | 3.10 (−0.23, 6.42) | 0.068 | 4.37 (1.12, 7.62) | 0.009 |
| Alcohol use | −0.58 (−3.47, 2.30) | 0.692 | ||
| Exercise regularly | −0.54 (−3.86, 2.77) | 0.747 | ||
| Etiology of rhinitis | ||||
| Allergic rhinitis | 1.24 (−1.28, 3.76) | 0.332 | ||
| Deviation of nasal septum | −0.60 (−3.97, 2.78) | 0.729 | ||
| Chronic hypertrophic rhinitis | −0.96 (−3.68, 1.75) | 0.486 | ||
| Chronic rhinosinusitis | 2.48 (−0.03, 4.99) | 0.053 | ||
The variable “general health status" was not included in the model development because of its strong correlation with the CRSOM-31 scores.
*Single, divorced, widowed, or other versus married.
**Elementary school or below versus high school or above.