Table 1 Frequency of offspring- and parent-specific variables from cohort of offspring born 1973–2001 (n = 2,762,883).

From: The intergenerational transmission of suicidal behavior: an offspring of siblings study

Offspring-specific variablesa

N (%)b

 

Female

1,343,788 (48.64)

 

Parity

  

 Firstc

1,138,244 (41.20)

 

 Second

1,018,225 (36.85)

 

 Third

430,299 (15.57)

 

 Fourth or higher

176,115 (6.37)

 
 

Maternal N (%)b

Paternal N (%)

Age at childbearing

  

 ≤19

98,966 (3.58)

22,084 (0.80)

 20–24

639,205 (23.14)

338,894 (12.27)

 25–29c

1,023,453 (37.04)

901,707 (32.64)

 30–34

698,158 (25.27)

852,102 (30.84)

 35–39

257,495 (9.32)

427,374 (15.47)

 40–44

43,945 (1.59)

153,448 (5.55)

 ≥45

1659 (0.06)

67,274 (2.43)

Offspring exposed to parental suicidal behavior

87,358 (3.16)

77,671 (2.81)

 <Age 18

71,071 (2.57)

60,931 (2.21)

 ≥Age 18

16,287 (0.59)

16,740 (0.61)

Offspring with suicidal behavior and parents with suicidal behaviora

5428 (0.20)

4525 (0.16)

Parent-specific variablesa

Maternal N (%)b

Paternal N (%)b

Born in Sweden

2,437,258 (88.21)

2,417,714 (87.51)

Highest educational attainment

  

 Primary/lower (<9 years)

111,069 (4.02)

215,096 (7.79)

 Primary/lower (9 years)

263,487 (9.54)

364,571 (13.20)

 Upper/secondary (1–2 years)c

946,236 (34.25)

968,155 (35.04)

 Upper/secondary (3 years)

421,867 (15.27)

387,744 (14.03)

 Post-secondary (<3 years)

411,654 (14.90)

353,520 (12.80)

 Post-secondary (≥3 years)/post-graduate

597,392 (21.62)

443,188 (16.04)

 No information/missing

11,178 (0.40)

30,609 (1.11)

Bipolard

16,802 (0.61)

11,722 (0.42)

Schizophreniad

5,912 (0.21)

5,549 (0.20)

Non-substance induced psychosisd

24,600 (0.89)

19,161 (0.69)

Substance used

70,563 (2.55)

140,229 (5.08)

Criminal convictionsd

340,405 (12.32)

1,129,050 (40.86)

Suicide attempt

83,505 (3.02)

62,894 (2.28)

Suicide

7185 (0.26)

19,731 (0.71)

Suicidal behavior

87,358 (3.16)

77,671 (2.81)

  1. aBased on 2,762,883 unique offspring.
  2. bPercentages rounded to the nearest hundredths and thus may not equal 100.
  3. cReference group.
  4. dLifetime occurrence.