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Table 3 Internal consistency of Dyspnoea-12 and Multidimensional Dyspnea Profile scores 

From: Validation of the Dyspnoea-12 and Multidimensional Dyspnea profile among older Swedish men in the population

Variable Cronbach’s alpha estimate
D12 total 0.956
D12 physical domain 0.924
D12 affective domain 0.936
MDP total 0.943
MDP immediate perception subdomain 0.932
MDP emotional response subdomain 0.939
  1. Cronbach’s alpha estimate for 73-years old men in the population (n = 684). D12 Dyspnoea-12, MDP Multidimensional dyspnea profile scores