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Table 2 Cumulative incidence of sickness absence with psychiatric disorders in different age groups in Norway and Oslo, 1994, 1996, 1998 and 2000, women.

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

   Norway    Oslo    
Age group Year No. of sickness insured women Cumulative incidence (95% CI) Change 1994–2000 +/- No. of sickness insured women Cumulative incidence (95% CI) Change 1994 – 2000 +/- Regional/national ratio (95% CI)
16–29 1994 258,213 0.8 (0.8–0.8)   28,033 1.2 (1.2–1.2)   1.48 (1.32–1.66)
  1996 261,990 1.2 (1.2–1.2)   29,218 1.8 (1.8–1.8)   1.52 (1.39–1.67)
  1998 273,748 1.9 (1.9–1.9)   31,738 2.4 (2.4–2.4)   1.26 (1.17–1.36)
  2000 277,707 2.6 (2.6–2.6) +1.7 33,574 3.1 (3.1–3.1) +1.9 1.22 (1.14–1.30)
30–39 1994 236,471 2.1 (2.1–2.1)   27,007 2.5 (2.5–2.5)   1.23 (1.14–1.33)
  1996 247,213 2.9 (2.9–2.9)   30,077 3.4 (3.4–3.4)   1.16 (1.08–1.24)
  1998 258,184 4.1 (4.1–4.1)   31,539 4.4 (4.4–4.4)   1.07 (1.01–1.13)
  2000 272,355 5.3 (5.3–5.3) +3.2 32,877 5.4 (5.4–5.4) +2.8 1.02 (1.97–1.07)
40–49 1994 231,885 2.3 (2.3–2.3)   20,659 3.0 (3.0–3.0)   1.29 (1.19–1.40)
  1996 237,976 3.3 (3.3–3.3)   21,733 4.1 (4.1–4.1)   1.26 (1.18–1.35)
  1998 242,663 4.8 (4.8–4.8)   22,427 5.3 (5.3–5.3)   1.09 (1.03–1.16)
  2000 252,498 5.9 (5.9–5.9) +3.6 24,337 6.5 (6.5–6.5) +3.5 1.10 (1.04–1.15)
50–59 1994 142,788 2.0 (2.0–2.0)   13,408 2.5 (2.5–2.5)   1.22 (1.09–1.37)
  1996 165,560 2.9 (2.9–2.9)   15,923 3.5 (3.5–3.5)   1.18 (1.08–1.29)
  1998 184,511 4.1 (4.1–4.1)   17,629 4.3 (4.3–4.3)   1.05 (0.98–1.13)
  2000 202,207 5.1 (5.1–5.1) +3.1 19,815 5.5 (5.5–5.5) +3.1 1.09 (1.02–1.16)
60–66 1994 53,327 1.9 (1.9–1.9)   5,783 2.4 (2.4–2.4)   1.16 (0.99–1.36)
  1996 54,043 2.6 (2.6–2.6)   5,825 3.0 (3.0–3.0)   1.03 (0.89–1.20)
  1998 55,522 3.3 (3.3–3.3)   5,725 3.4 (3.4–3.4)   1.06 (0.93–1.21)
  2000 58,656 3.7 (3.7–3.7) +1.8 6,210 4.0 (4.0–4.0) +1.5 1.38 (1.17–1.64)
Total 1994 922,684 1.8 (1.7–1.8)   94,890 2.3 (2.2–2.4)   1.29 (1.22–1.34)
  1996 966,782 2.5 (2.5–2.5)   102,776 3.1 (3.0–3.2)   1.24 (1.20–1.29)
  1998 1,014,628 3.6 (3.6–3.7)   109,058 4.0 (3.9–4.1)   1.10 (1.06–1.13)
  2000 1,063,423 4.6 (4.6–4.7) +2.8 116,813 5.0 (4.9–5.1) +2.7 1.09 (106.–1.12)