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Table 3 Estimated current (last 2-month) and lifetime prevalence of depressive disorders (with 95% CI) and gender differences among adolescents in Central Norway (weighted analyses)

From: Prevalence and characteristics of depressive disorders in early adolescents in central Norway

  All Girls Boys Gender difference
  unweighted n's) Estimate (95%CI) unweighted n's) Estimate (95% CI) unweighted n's) Estimate (95% CI) Chi-sq. (df) p-value
Current         
MDD 36 2.6 (1.5 - 4.4) 31 4.7 (2.6 - 8.4) 5 0.4 (0.3 - 0.6) 6.22 (1) < 0.001
Dysthymia 21 1.0 (0.8 - 1.1) 18 1.7 (1.4 - 2.0) 3 0.3 (0.2 - 0.4) 1.75 (1) < 0.001
Depression NOS 49 6.3 (3.7 - 10.3) 40 8.2 (4.9-13.3) 9 4.3 (1.4-12.8) 2.21 (1) NS
Any depression 94 9.3 (6.4 - 13.3) 79 13.7 (9.5-19.2) 15 5.2 (1.7-12.8) 7.96 (1) 0.04
Lifetime         
MDD 64 5.8 (3.9 - 8.6) 55 10.7 (6.9 - 16.1) 9 0.8 (0.7 - 1.0) 15.38 (1) < 0.001
Dysthymia 39 5.4 (3.2 - 9.1) 33 8.5 (4.9 - 14.1) 6 2.3 (0.5-10.2) 6.42 (1) NS
Depression NOS 72 13.0 (9.0- 18.4) 56 14.1 (9.4-20.6) 16 11.9 (6.2-21.6) 0.38 (1) NS
Any depression 159 23.0 (18.1 - 28.8) 130 31.1(24.3-38.7) 29 14.8 (8.5-24.4) 12.81 (1) < 0.01