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Table 2 Percentage agreement and chance-adjusted kappa coefficient (95% confidence interval, CI) between self-reported occupational category* and death certificate records by selected characteristics

From: Occupation recorded on certificates of death compared with self-report: the Atherosclerosis Risk in Communities (ARIC) Study

 

Percent Agreement (%)

Kappa Coefficient

95% C.I.

All (N = 431)

67

0.60

0.55–0.65

Sex

   

Men (N = 247)

70

0.62

0.54–0.69

Women (N = 184)

65

0.54

0.44–0.63

Ethnicity

   

Whites (N = 348)

70

0.63

0.57–0.69

African-Americans (N = 83)

57

0.47

0.34–0.61

Education §

   

Low and medium (N = 305)

66

0.59

0.52–0.65

High (N = 126)

69

0.54

0.43–0.66

Age

   

45–50 (N = 54)

60

0.51

0.35–0.67

51–55 (N = 79)

62

0.53

0.46–0.60

56–60 (N = 144)

72

0.64

0.59–0.69

61–65 (N = 154)

67

0.60

0.52–0.68

"Collar-type" Categories†

   

"White Collar" Occupations (N‡ = 153)

87

0.74

0.70–0.78

"Blue Collar" Occupations (N‡ = 161)

86

0.72

0.68–0.76

Time to Death

   

Lower than 7.8 yrs (N = 218)

69

0.63

0.56–0.70

Greater or equal than 7.8 yrs (N = 213)

64

0.56

0.48–0.64

  1. * Grouped in categories following the 1980 Bureau of Census categories: Managerial and professional specialty; Technical, sales, and administrative support; Service; Farming, forestry and fishing; Precision production, craft, and repair; Operators, fabricators, and laborers; Homemakers.
  2. § Defined as Low and medium for 12 years or less, and High for more than 12 years.
  3. † "Collar-type" categories were defined as the following groups: managerial and professional specialties plus technical, sales and administrative support as "white collar"; all other categories, except homemakers, as "blue collar".
  4. ‡ N indicates the number of participants that had the same category on both sources.
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BMC Public Health

ISSN: 1471-2458

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