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Table 3 Mild, moderate and severe depression compared to No depression according to study year

From: Self-reported depression is increasing among socio-economically disadvantaged adolescents – repeated cross-sectional surveys from Finland from 2000 to 2011

Time period

2000–2001

2002–2003

2004–2005

2006–2007

2008–2009

2010–2011

2000–2011

 

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Boys

       

Model 1

       

 Mild

1.00

0.90 (0.86-0.95)

0.99 (0.94-1.03)

1.05 (1.01-1.10)

1.05 (1.01-1.10)

0.92 (0.88-0.96)

1.00 (1.00-1.01)

 Moderate

1.00

0.88 (0.84-0.93)

0.96 (0.91-1.01)

1.02 (0.97-1.07)

1.03 (0.98-1.08)

0.87 (0.83-0.92)

1.00 (0.99-1.01)

 Severe

1.00

0.95 (0.87-1.04)

1.00 (0.92-1.09)

1.07 (0.98-1.16)

1.08 (0.99-1.18)

1.04 (0.96-1.14)

1.02 (1.01-1.03)

Model 2

       

 Mild

1.00

0.91 (0.87-0.96)

1.00 (0.95-1.04)

1.06 (1.02-1.11)

1.06 (1.02-1.11)

0.93 (0.88-0.97)

1.01 (1.00-1.01)

 Moderate

1.00

0.89 (0.85-0.94)

0.98 (0.93-1.03)

1.04 (0.99-1.09)

1.05 (1.00-1.10)

0.89 (0.84-0.94)

1.00 (0.99-1.01)

 Severe

1.00

0.97 (0.89-1.06)

1.04 (0.95-1.13)

1.10 (1.01-1.20)

1.11 (1.02-1.21)

1.08 (0.99-1.18)

1.03 (1.01-1.04)

 N

47586

50774

53057

54315

54132

51116

310980

Girls

       

Model 1

       

 Mild

1.00

0.89 (0.86-0.92)

0.93 (0.89-0.96)

0.94 (0.91-0.98)

0.96 (0.92-0.99)

0.93 (0.89-0.96)

1.00 (0.99-1.00)

 Moderate

1.00

0.86 (0.83-0.90)

0.95 (0.91-0.98)

0.98 (0.95-1.02)

0.98 (0.95-1.02)

0.98 (0.95-1.02)

1.01 (1.00-1.02)

 Severe

1.00

0.84 (0.79-0.90)

1.04 (0.97-1.10)

1.02 (0.96-1.08)

1.08 (1.01-1.15)

1.16 (1.09-1.24)

1.04 (1.03-1.06)

Model 2

       

 Mild

1.00

0.90 (0.86-0.93)

0.94 (0.90-0.97)

0.95 (0.92-0.99)

0.97 (0.93-1.003)

0.94 (0.90-0.97)

1.00 (0.99-1.00)

 Moderate

1.00

0.88 (0.84-0.91)

0.97 (0.93-1.01)

1.01 (0.97-1.05)

1.007 (0.97-1.05)

1.009 (0.97-1.05)

1.02 (1.01-1.02)

 Severe

1.00

0.86 (0.81-0.92)

1.07 (1.01-1.14)

1.06 (0.99-1.12)

1.12 (1.05-1.19)

1.21 (1.14-1.29)

1.05 (1.04-1.06)

 N

47049

49236

51713

54005

54035

51066

307104

  1. Model 1: time period as factor, no covariates.
  2. Model 2: time period as factor; grade, family structure, unemployment and parents’ education as covariates.
  3. Statistically significant (p < 0.05) are in bold.