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Table 1 Characteristics of participants in the study sample (n = 6524) and comparison with those excluded because of missing values (n = 2057)

From: Intragenerational social mobility and self-rated oral health in the british cohort study

  Study sample Excluded
n % n %
Gender     
Male 3302 50.6 852 41.4
Female 3222 49.4 1205 58.6
Ethnicity     
White 6232 95.5 1797 92.9
Non-White 292 4.5 137 7.1
Country     
England 5642 86.5 1805 87.7
Wales 546 8.4 122 5.9
Scotland 336 5.2 130 6.3
Residence area     
Urban 4506 69.1 1534 74.6
Rural 2018 30.9 523 25.4
Social class at age 26 years    
I/II 2724 41.8 148 35.4
III-NM/M 2882 44.2 178 42.6
IV/V 918 14.1 92 22.0
Social class at age 46 years    
I/II 3586 55.0 545 42.2
III-NM/M 1797 27.5 390 30.2
IV/V 1141 17.5 356 27.6
Self-rated oral health    
Good 5075 77.8 1358 66.2
Poor 1449 22.2 694 33.8