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Table 5 Agreement between data sets: proportions of women (%) and Cohen’s kappa values

From: Births and induced abortions among women of Russian, Somali and Kurdish origin, and the general population in Finland –comparison of self-reported and register data

  General population Russian Somali Kurdish
Births
 more self-reported in survey, % 14.0 (11.6–16.8) 36.1 (30.7–41.9) 16.3 (11.7–22.3) 24.2 (19.4–29.7)
 similar, % 85.3 (82.5–87.7) 63.8 (58.0–69.2) 82.9 (76.8–87.7) 74.9 (69.3–79.7)
 more in register, % 0.7 (0.3–1.7) 0.0 (NA) 0.8 (NA) 0.9 (NA)
 Cohen’s kappa 0.75 0.46 0.69 0.56
Induced abortions
 more self-reported in survey, % 3.6 (2.4–5.3) 38.6 (33.0–44.4) 0.9 (0.4–2.1) 8.3 (5.4–12.5)
 similar, % 92.3 (90.0–94.1) 58.5 (52.6–64.1) 87.2 (80.1–92.0) 83.9 (78.8–88.0)
 more in register, % 4.1 (2.9–5.8) 3.0 (1.6–5.6) 11.9 (7.2–19.1) 7.8 (5.1–11.9)
 Cohen’s kappa 0.69 0.27 −0.01 0.56
  1. Combined data from Maamu, Health 2011, MBR and Register of Induced Abortions
  2. NA = Confidence interval not available