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Table 1 Socio-demographic and health indicators, and missing responses among adolescent sample and proxy sample

From: Self-reported social class in adolescents: validity and relationship with gradients in self-reported health

   N % Missing Responses N (%) N % Missing Responses N (%)
  Adolescent sample (n = 1453) Proxy sample (n = 91)
Age 12 – 15 881 (60.6) _ 46 (50.5) _
  16 – 18 572 (39.4)   45 (49.5)  
Sex Male 752 (51.8) _ 48 (52.7) _
  Female 701 (48.2)   43 (47.3)  
Number of persons in the household <= 5 1295 (89.1) 11 (0.8) 81 (89) 2 (2.2)
  > 5 147 (10.1)   8 (8.8)  
Family type Standard 1161 (79.9) 29 (2) 73 (80.2) _
  Single-parent 120 (8.3)   15 (16.5)  
  Other 143 (9.8)   3 (3.3)  
Location Urban 902 (62.1) _ NA  
  Rural 501 (37.9)    
ICEF (only in the urban sample) Low 251 (17.3) _ NA  
  Medium 330 (22.7)    
  High 321 (22.1)    
Type of School Public 836 (57.5) _ NA  
  Private 617 (42.5)    
Unemployment benefit Yes 96 (6.6) 310 (21.3) 7 (7.7) _
  No 1047 (72.1)   84 (92.3)  
Food benefit Yes 137 (9) 103 (7.1) 1 (1.1) _
  No 1213 (83.5)   90 (98.9)  
Family benefit Yes 72 (5) 278 (19.1) 2 (2.2) _
  No 1103 (75.9)   89 (97.8)  
Level of paternal education Primary 813 (55.9) 122 (8.4) 49 (53.8) 2 (2.2)
  Secondary 282 (19.4)   30 (33)  
  University 236 (16.2)   10 (11)  
Level of maternal education Primary 952 (65.5) 118 (8.1) 48 (52.7) 3 (3.3)
  Secondary 251 (17.3)   30 (33)  
  University 132 (9.1)   10 (11)  
Highest family education level Primary 737 (50.7) 83 (5.7) 39 (42.9) _
  Secondary 351 (24.2)   34 (37.4)  
  University 282 (19.4)   18 (19.8)  
Paternal social Class I – II 255 (17.5) 352 (24.2) 14 (15.4) 8 (8.8)
  III 263 (18.1)   20 (22)  
  IV – V 583 (40.1)   49 (53.8)  
Maternal social class I – II 132 (9.1) 664 (45.7) 11 (12.1) 39 (42.9)
  III 193 (13.3)   14 (15.4)  
  IV – V 464 (31.9)   27 (29.7)  
Highest social class I–II 181 (12.5) 204 (14) 12 (13.2) 3 (3.3)
  III 276 (19)   20 (22)  
  IV–V 792 (54.5)   56 (61.5)  
Paternal work No 96 (6.6) 60 (4.1) 9 (9.9) 2 (2.2)
  Yes 1297 (89.3)   80 (87.9)  
Maternal work No 472 (32.5) 35 (2.4) 39 (42.9) 1 (1.1)
  Yes 946 (65.1)   51 (56)  
  1. NA: Not applicable