Table 3.
Logistic binary regression analysis with nonpharmacological treatments, ie, participation in smoking cessation program or patient education, contact with dietician or physiotherapist
| Independent variables | Smoking cessation program (only smokers)
|
Patient education program
|
Dietician
|
Physiotherapist
|
||||
|---|---|---|---|---|---|---|---|---|
| Univariable
|
Multivariable
|
Univariable
|
Multivariable
|
Univariable
|
Multivariable
|
Univariable
|
Multivariable
|
|
| OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | OR (95% CI), P-value | |
| Constant | 3.73, P=0.027 | 0.31* | 0.77, P=0.768 | 0.57, P=0.20 | ||||
| Age, divided by 10 years | 0.76 (0.69, 0.83)* | 0.78 (0.66, 0.93), P=0.005 | 1.00 (0.94, 1.06), P=0.972 | 1.20 (1.11, 1.30)* | 1.07 (1.00, 1.14), P=0.034 | |||
| Gender (1= man, 2= woman) | 1.14 (0.97, 1.35), P=0.109 | 1.28 (1.15, 1.43)* | 1.50 (1.29, 1.74)* | 1.40 (1.04, 1.88), P=0.028 | 1.41 (1.25, 1.58)* | |||
| Social situation (0= living alone, 1= cohabiting) | 0.78 (0.64, 0.96), P=0.016 | 0.71 (0.52, 0.96), P=0.028 | 1.00 (0.88, 1.15), P=0.973 | 0.64 (0.54, 0.76)* | 0.71 (0.62, 0.81)* | 0.80 (0.64, 0.98) P=0.035 | ||
| FEV1% of the predicted value | 1.00 (0.99, 1.00), P=0.17 | 0.99 (0.98, 0.99)* | 0.99 (0.99, 1.00), P=0.002 | 0.96 (0.95, 0.96)* | 0.98 (0.97, 0.99)* | 0.97 (0.96, 0.97)* | 0.97 (0.97, 0.98)* | |
| BMI | 1.01 (1.00, 1.03), P=0.187 | 0.99 (0.98, 1.00), P=0.120 | 0.88 (0.87, 0.90)* | 0.90 (0.87, 0.92)* | 0.99 (0.98, 1.00), P=0.041 | |||
| Exercise capacity | 1.02 (0.99, 1.06), P=0.146 | 0.98 (0.96, 1.00), P=0.136 | 0.92 (0.89, 0.95)* | 0.97 (0.94, 0.99), P=0.002 | ||||
| Quality of life (CCQ) (0–6) | 1.14 (1.05, 1.24), P=0.002 | 1.18 (1.12, 1.25)* | 1.72 (1.60, 1.83)* | 1.36 (1.17, 1.59)* | 1.46 (1.38, 1.54)* | |||
| Dyspnea (mMRC) (0–4) | 1.11 (1.03, 1.19), P=0.006 | 1.23 (1.17, 1.28)* | 1.17 (1.09, 1.26)* | 1.88 (1.76, 1.00)* | 1.47 (1.26, 1.72)* | 1.58 (1.50, 1.66)* | 1.32 (1.20, 1.44)* | |
| Exacerbations per year | 1.07 (1.00, 1.14), P=0.05 | 1.13 (1.08, 1.17)* | 1.064 (1.01, 1.12), P=0.020 | 1.33 (1.27, 1.38)* | 1.16 (1.07, 1.24)* | 1.30 (1.25, 1.36)* | 1.12 (1.06, 1.20)* | |
| Test | ||||||||
| Area under the curve | 0.578 | 0.585 | 0.797 | 0.706 | ||||
Note:
*
P<0.001.
Abbreviations: BMI, body mass index; CCQ, Clinical COPD Questionnaire; CI, confidence interval; FEV1, forced expiratory volume in 1 second; mMRC, modified Medical Research Council; OR, odds ratio.