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Table 2 Data quality and item-rest correlations of the 13-items Patient Activation Measure Danish version in a population with dysglycaemia (n = 358).

From: Translation, adaptation and validation of the American short form Patient Activation Measure (PAM13) in a Danish version

Item N Mean SD Median Missing values "Not applicable" Floor Ceiling Item-rest correlation
  358     % of N = 358 % of N = 358 % %  
1 351 3.61 0.53 4 0.8 1.1 0.6 62.7 0.53
2 352 3.50 0.56 4 1.1 0.6 0.6 52.6 0.60
3 348 3.51 0.59 4 1.7 1.1 1.2 54.6 0.61
4 277 3.19 0.67 3 4.2 18.4 2.5 31.4 0.53
5 316 3.04 0.73 3 2.0 9.8 2.9 26.3 0.52
6 334 3.29 0.65 3 1.7 5.0 1.5 38.3 0.48
7 340 3.39 0.55 3 2.0 3.1 0.6 42.1 0.62
8 321 3.31 0.60 3 1.7 8.7 0.9 37.4 0.61
9 287 3.07 0.69 3 2.0 17.9 2.1 25.4 0.64
10 327 3.05 0.69 3 2.0 6.7 1.8 24.5 0.60
11 313 3.13 0.59 3 2.2 10.3 1.0 23.6 0.57
12 290 3.00 0.63 3 1.7 17.3 1.0 18.6 0.65
13 308 2.89 0.77 3 1.1 12.9 3.6 21.1 0.59
  1. For the overall scale Cronbach's alpha was 0.89, average inter-item correlation 0.38