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Table 4 Differences in environmental factors in people with skeletal dysplasia and control subjects

From: Functioning and equality according to International Classification of Functioning, Disability and Health (ICF) in people with skeletal dysplasia compared to matched control subjects – a cross-sectional survey study

Variable Group n (%) Mean rank Median Z p-value
Products and technology a SkelDys 80 85.13 1.75 −6.363 < 0.001
Control 55 43.09 1.00
Climate and season-related changes a SkelDys 80 84.66 2.50 −6.085 < 0.001
Control 55 43.76 1.00
Support given by family and friends a SkelDys 80 74.31 1.80 −2.288 0.022
Control 55 58.83 1.20
Attitudes of others a SkelDys 80 85.98 1.92 −6.771 < 0.001
Control 54 40.13 1.00
Associations and organizational services b SkelDys 80 75.14 2.00 −2.695 0.007
Control 55 57.62 1.00
Modifications to house entrance c SkelDys 29 (36.3)     < 0.001
Control 0 (0.0)    
Modifications to house c SkelDys 45 (56.3)     < 0.001
Control 1 (1.8)    
Modifications to car cd SkelDys 49 (65.3)     < 0.001
Control 6 (13.0)    
  1. Note: Variables = Modified ICF-block or chapter -items; SkelDys = people with skeletal dysplasia; a = a sum variable (interval scale variable); b = an ordinal scale variable; c = a nominal scale variable; d = Of those who use a car; Used statistical analysis: Mann-Whitney U-test for interval and ordinal scale variables and Pearson Chi-Square -test for nominal scale variables. The bigger the mean rank and the median is, the more the group had problems in the variable