Skip to main content

Table 2 Predictors of clinical improvement with IDM in the intervention group (24-months follow-up): Logistic regression analyses

From: Exploring characteristics of COPD patients with clinical improvement after integrated disease management or usual care: post-hoc analysis of the RECODE study

  

Univariable analyses

(N = 359–394)

Multivariable analysis

(N = 394)

Predictor

Value

Odds ratio

(95% CI)

p-value

Odds ratio

(95% CI)

p-value

Socio-demographic factors

 Gender

Female vs Male

1.43 (0.81–2.52)

0.21

  

 Age

Each year

0.95 (0.93–0.98)

< 0.001

0.95 (0.92–0.97)

< 0.001

 Living alone

Yes vs No

0.94 (0.51–1.74)

0.85

  

 Low education

Yes vs No

1.40 (0.77–2.54)

0.27

  

 Employment

Yes vs No

1.04 (0.54–1.98)

0.91

  

Lung function and symptoms

 FEV1% predicted

Each % predicted

1.01 (1.00–1.02)

0.19

  

 Dyspnea - MRC score > 2

Yes vs No

1.85 (1.05–3.28)

0.03

2.28 (1.26–4.12)

0.01

 Exacerbation frequency of previous year

Each exacerbation

1.12 (0.84–1.49)

0.45

  

Co-morbidity

 Major cardiovascular disease

Yes vs No

1.43 (0.67–3.05)

0.35

  

 Hypertension

Yes vs No

0.66 (0.35–1.25)

0.20

  

 Diabetes

Yes vs No

1.19 (0.52–2.70)

0.68

  

 Depression

Yes vs No

1.42 (0.56–3.63)

0.47

  

 Charlson co-morbidity index

Each point

1.10 (0.88–1.37)

0.42

  

Lifestyle, illness behaviour and knowledge

 Current smoker

Yes vs No

1.21 (0.66–2.21)

0.53

  

 Physical activity (in MET)

Each minute

1.00 (1.00–1.00)

0.37

  

 Self-management

Taking initiatives - each point

0.99 (0.97–1.01)

0.19

  

Investment behavior - each point

0.99 (0.97–1.01)

0.20

  

Self-efficacy - each point

0.99 (0.97–1.01)

0.25

  
  1. Values are presented as odds ratios (95% confidence interval [CI]). Odds ratio > 1 indicates a greater likelihood of clinical improvement with IDM
  2. Multivariable model Cox & Snell R2 = 0.05, Nagelkerke R2 = 0.09
  3. IDM Integrated Disease Management, FEV1 Forced Expiratory Volume in 1 s, post-bronchodilator, predicted according to age and height, MRC Medical Research Council Dyspnea Scale, MET Metabolic Equivalent Time