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Table 4 Cumulative incidence and regional/national ratio of sickness absence with psychiatric disorders in 1994, 1996, 1998 and 2000 (age-adjusted data).

From: Increase in sickness absence with psychiatric diagnosis in Norway: a general population-based epidemiologic study of age, gender and regional distribution

Region Year No. of sickness insured women Cumulative incidence (%) (95% CI) Change 1994 – 2000 +/- Regional/national ratio* (95% CI) No. of sickness insured men Cumulative incidence (%) (95% CI) Change 1994 – 2000 +/- Regional/national ratio* (95% CI)
Östfold 1994 48,864 1.6 (1.5–1.7)   0.92 (0.86–0.99) 59,538 0.7 (0.6–0.8)   0.84 (0.76–0.92)
  1996 51,051 2.3 (2.2–2.4)   0.91 (0.86–0.97) 61,335 1.1 (1.0–1.1)   0.92 (0.85–1.00)
  1998 54,282 3.8 (3.6–4.0)   1.21 (1.15–1.26) 64,510 1.7 (1.6–1.8)   1.01 (0.95–1.09)
  2000 58,412 4.7 (4.5–4.9) +3.1 1.02 (0.98–1.06) 67,105 2.1 (2.2–2.4) +1.4 1.03 (0.98–1.09)
Vestfold 1994 41,883 1.4 (1.3–1.5)   0.79 (0.72–0.85) 50,432 0.7 (0.6–0.8)   0.88 (0.80–0.98)
  1996 44,493 2.0 (1.9–2.2)   0.81 (0.76–0.87) 52,436 1.0 (0.9–1.1)   0.90 (0.82–0.98)
  1998 47,153 3.7 (3.6–3.9)   1.03 (0.98–1.08) 54,840 1.8 (1.7–1.9)   1.07 (1.01–1.14)
  2000 49,676 4.6 (4.4–4.8) +3.2 1.00 (0.96–1.04) 56,437 2.5 (2.3–2.6) +1.8 1.11 (1.05–1.17)
Telemark 1994 32,226 1.4 (1.3–1.6)   0.83 (0.75–0.91) 39,653 0.8 (0.7–0.9)   1.01 (0.91–1.13)
  1996 33,862 2.4 (2.2–2.6)   0.96 (0.89–1.02) 40,879 1.1 (1.0–1.2)   0.99 (0.90–1.09)
  1998 35,512 4.5 (4.3–4.8)   1.24 (1.18–1.31) 42,284 2.1 (2.0–2.2)   1.23 (1.15–1.31)
  2000 37,542 5.6 (5.4–5.9) +4.2 1.22 (1.17–1.27) 43,194 2.8 (2.6–3.0) +2.0 1.24 (1.17–1.32)
Aust- 1994 19,428 2.3 (2.1–2.5)   1.32 (1.20–1.45) 24,177 1.3 (1.1–1.4)   1.53 (1.37–1.72)
Agder 1996 20,831 3.4 (3.2–3.7)   1.37 (1.27–1.47) 25,477 1.8 (1.7–2.0)   1.62 (1.47–1.77)
  1998 21,836 4.6 (4.3–4.9)   1.25 (1.18–1.34) 26,478 2.2 (2.0–2.4)   1.30 (1.19–1.41)
  2000 22,970 5.2 (4.9–5.5) +2.9 1.14 (1.07–1.20) 26,985 3.0 (2.8–3.2) +1.7 1.32 (1.23–1.42)
Vest- 1994 29,399 2.0 (1.8–2.1)   1.13 (1.04–1.22) 36,184 1.1 (1.0–1.2)   1.30 (1.17–1.44)
Agder 1996 30,912 2.6 (2.4–2.8)   1.04 (0.97–1.12) 37,735 1.7 (1.5–1.8)   1.44 (1.33–1.56)
  1998 32,761 4.2 (4.0–4.4)   1.15 (1.09–1.21) 39,339 2.5 (2.4–2.7)   1.49 (1.40–1.59)
  2000 34,905 4.9 (4.6–5.1) +2.9 1.06 (1.01–1.11) 40,813 3.2 (3.0–3.4) +2.1 1.43 (1.35–1.51)
  1. *Norway was used as reference.