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Table 2 Incidence rates and hazard ratios (HRs) for mental disorder diagnostic categories for the most upwardly mobile and the most downwardly mobile cohort members

From: Parental income as a marker for socioeconomic position during childhood and later risk of developing a secondary care-diagnosed mental disorder examined across the full diagnostic spectrum: a national cohort study

  n Incidence rate Basic adjustmenta Additional adjustmentb
Any mental disorder
 The most upwardly mobile (quintile 1 at birth to quintile 5 at age 15)c 1640 847.3 0.43 (0.41, 0.45) 0.62 (0.59, 0.66)
 The most downwardly mobile (quintile 5 at birth to quintile 1 at age 15)d 1331 973.2 1.48 (1.39, 1.57) 1.27 (1.19, 1.35)
Substance misuse disorders
 The most upwardly mobile 204 98.5 0.24 (0.21, 0.28) 0.42 (0.36, 0.49)
 The most downwardly mobile 213 143.6 2.22 (1.91, 2.59) 1.74 (1.48, 2.04)
Personality disorders
 The most upwardly mobile 303 146.9 0.30 (0.27, 0.34) 0.49 (0.43, 0.55)
 The most downwardly mobile 315 213.6 2.06 (1.82, 2.33) 1.68 (1.48, 1.92)
Broadly defined schizophrenia
 The most upwardly mobile 236 114.1 0.42 (0.37, 0.48) 0.58 (0.51, 0.67)
 The most downwardly mobile 184 124.1 1.62 (1.38, 1.90) 1.35 (1.13, 1.60)
Mood disorders
 The most upwardly mobile 669 327.6 0.61 (0.56, 0.66) 0.84 (0.77, 0.91)
 The most downwardly mobile 503 343.8 1.36 (1.24, 1.49) 1.15 (1.04, 1.28)
Anxiety/somatoform disorders
 The most upwardly mobile 946 469.2 0.43 (0.40, 0.46) 0.63 (0.59, 0.67)
 The most downwardly mobile 817 569.1 1.62 (1.50, 1.74) 1.40 (1.29, 1.51)
Eating disorders
 The most upwardly mobile 222 107.5 1.23 (1.06, 1.43) 1.29 (1.10, 1.50)
 The most downwardly mobile 151 101.8 0.92 (0.78, 1.09) 0.90 (0.76, 1.08)
  1. Incidence rate is reported per 100,000 person years
  2. aBasic adjustment—hazard ratios adjusted for gender, birth year and calendar time
  3. bAdditional adjustment—hazard ratios adjusted for gender, birth year, calendar time, parental mental disorders, parental educational attainment level, degree of urbanicity at birth and number of changes in child-parental separation status
  4. cThe reference group are those persons who were born and remained in quintile 5 at age 15
  5. dThe reference group are those persons who were born and remained in quintile 1 at age 15