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Table 5 Methodological quality of each study per measurement property

From: Measurement properties of translated versions of neck-specific questionnaires: a systematic review

Language   Translation Internal Measurement   Content Structural Hypotheses  
Study Instrument process Consistency Error Reliability Validity Validity Testing Responsiveness
Catalan          
Nieto et al. [25] NDI poor good     fair good  
Chinese          
Chiu et al. [26] NPQ poor poor   excellent poor   fair poor
Lee et al. [27] NPQ        fair poor
Dutch          
Jorritsma et al. [19] NDI    poor poor     
  NPDS fair   poor poor     
Pool et al. [29] NDI    fair      fair
Schmitt et al. [30] NBQ excellent poor fair fair    poor  
Vos et al. [31] NDI    fair fair     poor
English          
Stewart et al. [33] CNFDS         fair
Finnish          
Salo et al. [35] NDI poor excellent   poor   good poor  
  NPDS poor excellent   poor   good poor  
French          
Forestier et al. [18] CNFDS poor poor       poor
Martel et al. [37] NBQ poor    poor    fair moderate
Wlodyka et al. [36] NDI poor poor poor poor   fair fair  
  NPDS poor poor poor poor   fair fair  
  NPQ poor poor poor poor   fair fair  
Wlodyka et al. [20] NDI         poor
  NPDS         poor
  NPQ         poor
German          
Bremerich et al. [24] NPDS fair   poor poor     
Scherer et al. [38] NPDS poor excellent     good good  
Greek          
Trouli et al. [39] NDI good good poor poor   good   fair
Hindi          
Agarwal et al. [40] NPDS fair poor poor poor poor   fair  
Iranian          
Mousavi et al. [41] NDI excellent fair   fair poor    fair
  NPDS excellent fair   fair poor fair   fair
Italian          
Monticone et al. [42] NPDS poor fair   fair   fair poor  
Korean          
Lee et al. [43] NDI poor fair poor poor    fair poor
  NPDS poor poor poor poor    fair poor
Spanish          
Andrade et al. [46] NDI   fair poor poor   fair fair fair
Gonzalez et al. [44] NPQ poor poor   fair    poor poor
Kovacs et al. [23] NDI excellent poor   poor    poor poor
  NPQ   poor      poor poor
  CNQ excellent poor   poor    poor poor
Swedish          
Ackelman et al. [22] NDI     poor poor   poor  
Turkish          
Aslan et al. [47] NDI excellent    fair    fair  
Bicer et al. [21] NPDS poor poor      poor  
Kose et al. [48] NDI fair poor   fair    poor fair
  NPDS fair poor   fair    poor fair
  NPQ fair poor   fair    poor fair
  CNFDS fair poor   fair    poor fair
  1. [..] = reference number