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Table 3 Severity levels, standard errors, and goodness-of-fit indices of the MLHFQ specific dimensions and the total score using Rasch analysis (N = 2565)

From: The Minnesota living with heart failure questionnaire: comparison of different factor structures

Items Item description δ (logit) SE Infit MNSQ Outfit MNSQ
Physical      
 Item 7 Relating to or doing things with friends or family difficult 1.20 0.02 1.34 1.37
 Item 6 Sleeping difficult 0.50 0.02 1.54 1.69
 Item 2 Resting during day 0.12 0.02 0.79 0.88
 Item 4 Working around house difficult −0.15 0.02 1.12 1.08
 Item 12 Shortness of breath −0.27 0.02 1.08 1.12
 Item 5 Being away from home difficult −0.41 0.02 0.86 0.80
 Item 13 Fatigue −0.46 0.02 0.81 0.77
 Item 3 Walking or climbing stairs difficult −0.53 0.02 0.72 0.67
Emotional      
 Item 17 Feeling burden to family or friends 0.48 0.02 1.05 0.99
 Item 18 Feeling a loss of self-control 0.24 0.02 0.82 0.79
 Item 20 Difficulty concentrating or remembering 0.22 0.02 1.24 1.25
 Item 21 Being depressed −0.22 0.02 0.98 0.96
 Item 19 Being worried −0.73 0.02 0.95 0.88
Total      
 Item 16 Side effects from medications 0.80 0.02 1.13 1.17
 Item 10 Sexual activities difficult 0.65 0.02 1.84 1.91
 Item 15 Medical costs 0.57 0.02 1.02 1.03
 Item 8 Working to earn a living difficult 0.44 0.02 1.86 1.97
 Item 17 Feeling burden to family or friends 0.42 0.01 0.94 0.91
 Item 7 Relating to or doing things with friends or family difficult 0.35 0.01 0.75 0.72
 Item 18 Feeling a loss of self-control 0.29 0.01 0.75 0.72
 Item 20 Difficulty concentrating or remembering 0.28 0.01 1.02 1.17
 Item 11 Eat less food you like 0.19 0.01 1.03 1.15
 Item 9 Recreational activities difficult 0.05 0.01 1.07 1.05
 Item 21 Being depressed 0.03 0.01 0.82 0.84
 Item 1 Swelling in your ankles, legs −0.07 0.01 1.37 1.82
 Item 6 Sleeping difficult −0.08 0.01 1.06 1.21
 Item 14 Hospitalization −0.20 0.02 1.11 1.17
 Item 19 Being worried −0.26 0.02 0.83 0.81
 Item 2 Resting during day −0.32 0.02 0.68 0.76
 Item 4 Working around house difficult −0.49 0.02 1.03 1.04
 Item 12 Shortness of breath −0.57 0.02 0.83 0.86
 Item 5 Being away from home difficult −0.66 0.02 0.87 0.88
 Item 13 Fatigue −0.69 0.02 0.66 0.61
 Item 3 Walking or climbing stairs difficult −0.74 0.02 0.75 0.72
Social proposed by Lambrinou     
 Item 10 Sexual activities difficult 0.40 0.02 1.21 1.03
 Item 8 Working to earn a living difficult 0.09 0.02 0.97 0.87
 Item 9 Recreational activities difficult −0.49 0.02 0.80 0.85
Social proposed by Garin     
 Item 10 Sexual activities difficult 0.24 0.02 1.03 0.90
 Item 15 Medical costs 0.16 0.02 1.33 1.43
 Item 8 Working to earn a living difficult 0.01 0.02 0.97 0.87
 Item 9 Recreational activities difficult −0.41 0.02 0.68 0.67
Social proposed by Munyombwe     
 Item 16 Side effects from medications 0.40 0.02 0.97 0.95
 Item 10 Sexual activities difficult 0.25 0.02 1.14 1.03
 Item 15 Medical costs 0.18 0.01 0.92 0.88
 Item 8 Working to earn a living difficult 0.06 0.02 1.21 1.11
 Item 9 Recreational activities difficult −0.31 0.01 0.81 0.78
 Item 14 Hospitalization −0.57 0.02 1.10 1.10
  1. δ level of severity (higher values indicate higher severity), SE standard error, MNSQ mean square fit statistic.
  2. Item separation index of each model: 25.31 for the MLHFQ physical dimension, 21.08 for the MLHFQ emotional dimension, 18.01 for the social dimension proposed by Lambrinou, 14.63 for the social dimension proposed by Garin, 20.96 for the social dimension proposed by Munyombwe, and 27.18 for the MLHFQ total scale