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Table 1 Scales, items of the SF-36 questionnaire and proportion of missingness and inconsistencies of response

From: Non response, incomplete and inconsistent responses to self-administered health-related quality of life measures in the general population: patterns, determinants and impact on the validity of estimates — a population-based study in France using the MOS SF-36

Scales / Items / Inconsistencies Scores (ordinal Likert) Missing response n (%) Inconsistent response n (%)
PF (Physical functioning )    
PF1 Vigorous activities 1 to 3 696 (3.0)  
PF2 Moderate activities 1 to 3 718 (3.1)  
PF3 Lift, carry groceries 1 to 3 745 (3.2)  
PF4 Climb several flights 1 to 3 806 (3.5)  
PF5 Climb one flight 1 to 3 1104 (4.8)  
PF6 Bend, kneel 1 to 3 746 (3.2)  
PF7 Walk >1 km 1 to 3 703 (3.1)  
PF8 Walk several blocks 1 to 3 1020 (4.4)  
PF9 Walk one block 1 to 3 1212 (5.3)  
PF10 Bathe, dress 1 to 3 629 (2.7)  
Inconsistency PF1- PF9    487 (2.1)
Inconsistency PF1- PF10    615 (2.7)
Inconsistency PF2- PF9    448 (1.9)
Inconsistency PF2- PF10    505 (2.2)
Inconsistency PF4- PF9    405 (1.8)
Inconsistency PF4- PF10    524 (2.3)
Inconsistency PF7- PF9    288 (1.3)
Inconsistency PF7- PF10    434 (1.9)
RP (Role limitations relating to physical health )    
RP1 Cut down time working 1 to 2 722 (3.1)  
RP2 Accomplished less 1 to 2 722 (3.1)  
RP3 Limited in type of work 1 to 2 722 (3.1)  
RP4 Difficulty performing work 1 to 2 722 (3.1)  
BP (Bodily pain)    
BP1 Intensity of bodily pain 1 to 6 547 (2.4)  
BP2 Extent that pain interferes with work 1 to 6 547 (2.4)  
Inconsistency BP1- BP2    14 (0.1)
GH (General health perceptions)    
GH1 General health 1 to 5 1450 (6.3)  
GH2 Get sick more easily 1 to 5 1451 (6.3)  
GH3 As healthy as anybody 1 to 5 1365 (5.9)  
GH4 Expect health to get worse 1 to 5 1390 (6.0)  
GH5 Health is excellent 1 to 5 1533 (6.7)  
Inconsistency GH1- GH5    23 (0.1)
VT (Vitality)    
VT1 Full of life 1 to 6 1275 (5.5)  
VT2 Energetic 1 to 6 1275 (5.5)  
VT3 Worn out 1 to 6 1246 (5.4)  
VT4 Tired 1 to 6 906 (3.9)  
VT2- VT3    543 (2.4)
VT1- VT4    536 (2.3)