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Table 2 Frequency of concordant responses between sibling pairs on recalled measures of childhood socioeconomic position.

From: Concordance of sibling's recall of measures of childhood socioeconomic position

Measure Pairs Responses of each pair N (%) Concordance Kappa
Father's occupation Concordant (N=862) Professional; Professional 94(8.2) 0.76(0.73,0.80) 0.77(0.74,0.81)
   Manager; Manager 129(11.3)   
   Technical; Technical 8(0.7)   
   Clerical; Clerical 27(2.4)   
   Sales; Sales 86(7.6)   
   Craftsman; Craftsman 178(15.6)   
   Service worker; Service worker 36(3.1)   
   Operative; Operative 157(13.8)   
   Farm worker; Farm worker 147(12.9)   
  Discordant (N = 276) Professional; Manager 13(1.1)   
   Manager; Clerical 13(1.1)   
   Manager; Sales 29(2.5)   
   Manager; Craftsman 28(2.5)   
   Manager; Operative 17(1.5)   
   Sales; Operative 11(1.0)   
   Craftsman; Operative 57(5.0)   
   Operative; Farm worker 11(1.0)   
   All others 97(8.5)   
Father with professional occupation Concordant (N=1233) Professional; Professional 94(7.4%) 0.97(0.96,0.98) 0.82(0.77,0.89)
   Non-professional; Non-professional 1139(89.8%)   
  Discordant (N=35) Professional; Non-professional 35(2.8%)   
Father with supervisory role at work Concordant (N=895) Supervisor; Supervisor 374(32.4) 0.77(0.75,0.80) 0.54(0.49,0.60)
   Non-supervisor; Non-supervisor 521(45.1)   
  Discordant (N=259) Supervisor; Non-supervisor 259(22.5)   
Father's education level Concordant (N=807) 0 - 8 years; 0 - 8 years 259(23.4) 0.73(0.70,0.76) 0.78(0.75,0.81)
   9-11 years; 9-11 years 49(4.4)   
   High school graduate; High school graduate 235(21.2)   
   Some college; Some college 81(7.3)   
   College graduate; College graduate 183(16.5)   
  Discordant (N=299) 0-8 years; 9-11 years 59(5.3)   
   0-8 years; High school graduate 49(4.4)   
   0-8 years; Some college 6(0.5)   
   0-8 years; College graduate 2(0.2)   
   9-11 years; High school graduate 63(5.7)   
   9-11 years; Some college 9(0.8)   
   High school graduate; Some college 56(5.0)   
   High school graduate; College graduate 15(1.3)   
   Some college; College graduate 40(3.6)   
Mother's education level Concordant(N=822) 0-8 years; 0-8 years 161(13.6) 0.69(0.66,0.73) 0.73(0.70,0.76)
   9-11 years; 9-11 years 55(4.7)   
   High school graduate; High school graduate 378(32.0)   
   Some college; Some college 103(8.7)   
   College graduate; College graduate 125(10.6)   
  Discordant (N=359) 0-8 years; 9-11 years 74(6.3)   
   0-8 years; High school graduate 45(3.8)   
   0-8 years; Some college 1(0.08)   
   0-8 years; College graduate 0   
   9-11 years; High school graduate 91(7.7)   
   9-11 years; Some college 6(0.5)   
   9-11 years; College graduate 1(0.08)   
   High school graduate; Some college 74(6.3)   
   High school graduate; College graduate 16(1.4)   
   Some college; College graduate 51(4.3)   
Welfare for 6 months or longer Concordant(N=1198) Welfare; Welfare 29(2.3) 0.95(0.93,0.97) 0.45(0.34,0.58)
   No welfare: No welfare 1169(92.8)   
  Discordant(N = 62) Welfare; No welfare 62(4.9)   
Better off financially than others Concordant(N=700) Better off; Better off 207(17.9) 0.60(0.57,0.64) 0.46(0.42,0.51)
   Same; Same 292(25.3)   
   Worse off; Worse off 201(17.4)   
  Discordant (N = 454) Better off: Same 190(16.6)   
   Better off; Worse off 51(4.4)   
   Same; Worse off 213(18.4)