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Table 1 Demographic characteristics and OHIP summary score of study participants

From: Is assessment of oral health-related quality of life burdensome? An item nonresponse analysis of the oral health impact profile

Demographic variable Studies without supervision (N = 1,366) Studies with supervision (N = 3,481)
N(%) or Mean (SD)   
Country
 Germany   2,155 (61.9)
 Hungary   659 (18.9)
 Japan   459 (13.2)
 Sweden 1,366 (100) 119 (3.4)
 Slovenia   89 (2.6)
Gender*
 Males 611 (44.7) 1,588 (45.6)
 Females 744 (54.5) 1,888 (54.2)
Population type   
 General population 1,366 (100) 2,118 (60.8)
 Prosthodontic patients   1,363 (39.2)
Age 49.9 (17.11) 49.9 (17.11)
Summary scores for 46 OHIP item
 General population   15.5 (20.7)
 Prosthodontic patients   36.6 (29.3)
 Total summary scores 19.0 (24.5) 23.8 (26.5)
  1. *16 Participants had missing information on gender