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Table 3 Validity of self-reported information on disability pension, rehabilitation benefits and retirement pension, the HUNT Study (HUNT2, 1995–1997), N = 40,633 aged 19–87 years

From: A population based validation study of self-reported pensions and benefits: the Nord-Trøndelag health study (HUNT)

  Sensitivity (%) Specificity (%) Positive predicative value (%) Negative predicative value (%) Kappa Agreement (%)
Disability pension       
  Answers only 98.7 99.2 93.3 99.8 0.95 99.1
  (95% CI) (98.3–99.1) (99.1–99.3) (92.5–94.1) (99.8–99.9)
  Missing set as non-recipient 95.2 99.3 93.3 99.5 0.94 99.0
  (95% CI) (94.5–95.9) (99.2–99.4) (92.5–94.1) (99.5–99.6)
Rehabilitation benefits       
  Answers only 81.7 99.5 72.2 99.7 0.76 99.2
  (95% CI) (78.3–85.0) (99.4–99.6) (68.6–75.9) (99.6–99.8)
  Missing set at non-recipient 60.4 99.6 72.2 99.3 0.65 98.9
  (95% CI) (56.7–64.0) (99.5–99.7) (68.6–75.9) (99.2–99.4)
Retirement pension       
  Answers only 98.1 98.6 83.2 99.9 0.89 98.6
  (95% CI) (97.5–98.7) (98.5–98.8) (81.7–84.7) (99.8–99.9)
  Missing set as non-recipient 93.9 98.9 83.2 99.7 0.88 98.7
  (95% CI) (92.9–94.9) (98.8–99.0) (81.7–84.7) (99.6–99.7)