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Table 3 Concordance of responses between sibling pairs on recalled measures of childhood socioeconomic position, by age, sex, education level, income, and twin status.

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

  

Age < 45

Age ≥ 45

Brothers

Brother/Sister

Sisters

Less than high school

High school graduate

Some college

College graduate

Not poor

Poor

Non-twins

Twins

Median N (range)*

 

554

(500-609)

602

(552-659)

313

(288-340)

412

(397-455)

440

(393-477)

127

(102-148)

435

(405-481)

331

(304-364)

264

(254-278)

776

(714-834)

388

(354-437)

438

(411-475)

719

(650-793)

Father's occupation

Concordance

0.79

0.82

0.82

0.78

0.81

0.82

0.78

0.78

0.86

0.83

0.76

0.76

0.83

 

Kappa

0.74

0.79

0.77

0.76

0.78

0.68

0.68

0.75

0.85

0.80

0.70

0.76

0.77

Father with professional occupation

Concordance

0.96

0.97

0.96

0.97

0.97

0.98

0.98

0.96

0.95

0.97

0.97

0.97

0.97

 

Kappa

0.81

0.84

0.80

0.85

0.82

0.66

0.65

0.81

0.87

0.85

0.73

0.83

0.82

Father with supervisory role at work

Concordance

0.79

0.76

0.76

0.76

0.80

0.72

0.76

0.78

0.80

0.79

0.74

0.77

0.77

 

Kappa

0.54

0.52

0.51

0.50

0.59

0.52

0.54

0.53

0.54

0.56

0.48

0.53

0.54

Father's education level

Concordance

0.73

0.72

0.72

0.74

0.73

0.70

0.66

0.74

0.82

0.73

0.72

0.76

0.71

 

Kappa

0.77

0.76

0.77

0.79

0.78

0.66

0.66

0.78

0.83

0.78

0.77

0.82

0.76

Mother's education level

Concordance

0.71

0.67

0.68

0.68

0.71

0.61

0.66

0.70

0.77

0.70

0.67

0.69

0.70

 

Kappa

0.74

0.70

0.71

0.72

0.75

0.56

0.65

0.70

0.80

0.73

0.70

0.72

0.73

Welfare for 6 months or longer

Concordance

0.95

0.94

0.94

0.95

0.95

0.91

0.93

0.96

0.99

0.95

0.93

0.96

0.94

 

Kappa

0.49

0.42

0.27

0.49

0.53

0.63

0.26

0.46

0.56

0.40

0.50

0.33

0.49

Better off financially than others

Concordance

0.61

0.60

0.58

0.61

0.62

0.60

0.61

0.60

0.62

0.61

0.60

0.60

0.61

 

Kappa

0.47

0.45

0.44

0.47

0.47

0.35

0.43

0.44

0.47

0.47

0.42

0.45

0.47

  1. * Range of number of pairs included in analyses of different socioeconomic measures.