Table 1 Summary of studies examining gonadal and adrenal hormones in relation to suicide attempts and suicidal ideation.

From: Psychobiological risk factors for suicidal thoughts and behaviors in adolescence: a consideration of the role of puberty

Publication

Sample size and characteristics

Age (years)

Sex

Psychiatric condition

Suicide-related outcome

Study design and methods

Findings

Additional notes

Afzali et al. 2012

81 suicide attempters

Mean = 23.63 SD = 8.41

Range = 15–55

F

Assorted

(25 Past mental disorder, 22 Previous suicide attempt)

History of Suicide Attempts

Structured interview over 6 months after attempt

Suicide attempts were not associated with menstrual cycle phase.

Patients with irregular menstrual cycles were excluded.

Baca-Garcia et al. 2010a

281 suicide attempters

176 healthy controls

Mean = 30.8 SD = 8.8

Range = 18–92

F

Assorted

(229 Mood disorder, 229 SUD, 275 Previous psychiatric treatment)

Recent Suicide Attempts and Recent Suicidal Ideation

Blood sample within 24 h of attempt: estradiol, progesterone, LH, FSH

Suicide attempts were was more likely during the follicular phase.

Suicide intent severity was elevated during low-estrogen/low-progesterone states (pre-menstrual phase, amenorreha, menopause)

 

Butterfield et al. 2005

130 inpatients

Mean = 49.4 SD = 8.13

M

PTSD

Recent History of Suicide Attempts (past 6 months) and Suicidal Ideation

Blood: DHEA, androstenedione, testosterone, estradiol

Suicide attempters had higher DHEA than nonattempters

 

CayköylĂ¼ et al. 2004a

52 suicide attempters

50 healthy controls

Mean = 26.51 SD = 7.82

Range = Not Reported

F

Assorted

(8 PMDD, 1 SCZ, 2 MDD, 1 OCD)

Recent Suicide Attempts

Blood sample within 12 h of attempt: estradiol, progesterone

Menstrual status determined with self-report.

Suicide attempts were more frequent during the follicular phase.

Estradiol and progesterone levels were not different in suicide attempters compared to healthy controls.

Patients attempting suicide with OD or admitted to the ICU were excluded.

Chatzittofis et al. 2013

28 suicide attempters (10 female, 18 male)

19 healthy controls (7 female, 12 male)

SA:

Mean = 44

SD = 14.6

Range = 26–66

HC:

Mean = 30

SD = Not Reported

range = 23–48

Both

Assorted

(14 Mood disorder, 4 Anxiety Disorder, 9 SUD, 19 PD)

History of Suicide Attempts

CSF: DHEA-S, DHEA, cortisol, and 5-HIAA

In males, suicide attempters had higher CSF DHEA-S levels compared to healthy controls.

In females, no significant differences.

Exposure to early adversity (e.g., interpersonal violence) correlated negatively with cortisol/DHEA-S ratio

Dogra et al. 2007a

217 suicide decedents

237 non-suicide decedents

45% of suicide dececents ages 21–30

Bimodal distribution in the non-suicide decedents: 23% ages 20–25, 23% ages 30–35

Range = 11–45

F

Not Reported

Suicide Death

Autopsy

Menstrual status determined by visual examination of the uterine cavity

54.46% of non-pregnant women who died by suicide were menstruating versus 6.75% in the non-suicide decedent group

 

Fouriestié et al. 1986a

108 suicide attempters

Mean = 25.3 SD = 4.0

Range = Not Reported

F

Assorted

(9 with previous psychiatric admission, 15 treated with neuroleptic and/or antidepressant medication, 9 treated with anxiolytics, 15 with previous suicide attempts)

Recent Suicide Attempts

Blood sample within 12 h of attempt: estradiol and progesterone

Suicide attempts were more likely to happen during phases with low estradiol, during the first week of the menstrual cycle (42%) and after the fourth week (12%).

Frequency of suicide attempts did not vary significantly during the menstrual cycle in OC users.

Patients admitted to the ICU were excluded.

Gustavsson et al. 2003

43 suicide attempters

Mean = 38.0 SD = 12.0

Range = Not Reported

M

Assorted

(14 SUD, 9 DDNOS, 10 MDD, 4 Dysthymia,

9 Adjustment disorder, 4 Anxiety disorder, 2 Psychosis)

Recent Suicide Attempts

CSF in days (5–57 days, mean = 16) following suicide attempt: testosterone

Suicide attempters with depressive disorders showed higher CSF testosterone than those with other psychiatric diagnoses.

CSF testosterone positively correlated with irritability and negatively correlated with social desirability.

Papadopoulou et al. 2018a

70 suicide attempters

Mean = 35.5 SD = 8.9

Range = 18–52

F

Assorted

(28 MDD, 13 BD, 14 Psychosis, 15 PD or adjustment disorder)

Recent Suicide Attempts

Blood sample within 72 h of suicide attempt or within 48 h after transfer to the ICU: progesterone, LH, FSH

Menstrual status determined with progesterone levels, LH and FSH were used to rule out menopausal status

Suicide attempts were more frequent in the last 4 days of days of luteal phase and during the 4 days of menses.

No effect of menstrual status on lethality (violent vs non-violent mode of attempt) or psychiatric diagnosis.

Markianos et al. 2009a

15 suicide attempters (intentional jumps)

18 accident victims (falling from a height)

40 healthy controls

SA:

Mean = 39.9, SD = 14.3,

Range = 22–62

Non-SA: Mean = 37.6 SD = 15.2

Range = 20–66

HC:

Mean = 31.6 SD = 9.0

Range = 25–59

M

Assorted

(10 SCZ, 5 MDD)

History of Suicide Attempts

Blood: testosterone, LH, FSH

Suicide attempters had lower levels of testosterone (trending, p = 0.065) and LH compared to accident victims.

Both suicide attempters and accident victims had lower levels of testosterone and LH compared to HC.

 

Martin et al. 1997b

81 female and 79 male adolescents

Mean = 16.0 SD = 1.0

Range = 15–19

Both

Not Reported

History of Suicide Attempts and Suicidal Ideation

Blood: progesterone

In males, progesterone was higher in those with past suicide attempts and with suicide ideation.

In females, progesterone levels negatively correlated with past suicide attempts and disclosed suicide ideation

SUD excluded from analyses.

Roland et al. 1986

39 suicide decedents

48 non-suicide (sudden death) decedents

SA:

Mean = 39.1

SD = 18.3

Range = 15–76

HC:

Mean = 51.5 SD = 13.8

Range = 12–79

M

Not Reported

Suicide Death

Autopsy

Blood: testosterone

Suicide decedents showed higher levels of testosterone compared to non-suicide decedents.

 

Sher et al. 2012

67 patients with bipolar disorders and at least one past suicide attempt (51 female, 16 male)

Mean = 34.5 SD = 9.9

Range = 18–75

Both

Bipolar Disorder

History of Suicide Attempts

Blood: testosterone

Testosterone levels positively correlated with the number of past suicide attempts, while controlling for sex.

Testosterone levels were also positively correlated with number of manic episodes, while controlling for sex.

Sher et al. 2014

51 patients with bipolar disorder and at least one past suicide attempt

Mean = 33.2 SD = 9.6

F

Bipolar Disorder

History of and Prospective Suicide Attempts (prospective follow-up for up to 2.5 years)

Blood: testosterone

At baseline, testosterone levels positively correlated with the number of suicide attempts and past major depressive episodes.

Higher testosterone levels predicted suicide attempts in the follow-up period.

 

Sher et al. 2018a

17 combat veterans with post-deployment suicide attempt (0 female, 17 male) and 17 non-suicidal combat veterans (2 female, 15 male)

SA:

Mean = 37.5

SD = 11.6

Non-SA: Mean = 35.7 SD = 10.8

Both

PTSD

History of Suicides Attempt and Suicidal Ideation

Blood: DHEA, DHEA-S

Suicide attempters had lower levels of DHEA and DHEA-S compared with nonattempters.

Suicidal ideation negatively correlated with DHEA and DHEA-S levels across all participants.

Suicidal ideation negatively correlated with DHEA-S levels in nonattempters.

DHEA/DHEA-S ratios positively correlate with adolescent and adult aggresion scores in suicide attempters.

Stefansson et al. 2016

28 suicide attempters (10 female, 18 male)

19 healthy controls (7 female, 12 male)

SA:

Mean = 44.0 SD = 14.6

Range = 23–66

HC:

Mean = 30.0 SD = Not Reported

Range = 23–48

Both

Assorted (MDD, PTSD, SUD)

Recent Suicide Attempts and Prospective Suicide Death (prospective 21-year follow-up)

CSF and blood in days (mean = 8.6, range = 2–17 days) following suicide attempt: testosterone, cortisol

In males, CSF and blood testosterone levels were higher in suicide attempters compared to healthy controls.

In females, no differences.

In males, CSF testosterone/cortisol ratio positively correlated with impulsivity and aggressiveness in the suicide attempters.

No differences associated with MDD, PD, or SUD

Tripodianakis et al. 2006

80 suicide attempters (29 with schizophrenia)

56 healthy controls

29 nonattempters with schizophrenia

SA:

Mean = 34.4 SD = 12.6

HC:

Mean = 35.3

SD = 8.7

M

Schizophrenia

History of Suicide Attempts

Blood: testosterone, LH, FSH

Suicide attempters had lower blood testosterone compared to healthy controls.

Attempters with schizophrenia had lower levels of testosterone compared to nonattempters with schizophrenia.

Attempters who used a violent method had lower testosterone levels than non-violent attempters.

Zhang et al. 2015

245 suicide attempters (172 female, 73 male)

245 healthy controls (172 female, 73 male)

SA:

Mean = 42.9

SD = Not Reported

Range = 16–50

HC:

Mean = 37 SD = Not Reported

Range = 14–53

Both

Not Reported

History of Suicide Attempts

Blood: testosterone

In males, testosterone was higher in male suicide attempters compared to healthy controls.

In females, no significant differences.

 
  1. F female, FH follicular hormone, DDNOS depressive disorder not otherwise specified, ICU intensive care unit, LH lutenizing hormone, M male, MDD major depressive disorder, OC oral contraceptive, OD overdose, OCD obsessive-compulsive disorder, PTSD post-traumatic stress disorder, SA suicide attempt, SCZ Schizophrenia, SD standard deviation, SUD substance use disorder.
  2. aLow-quality study due to limited sample size and/or limitations in study design (e.g., single-timepoint cross-sectional associations between ovarian hormones and suicidal thoughts and behaviors).
  3. bAdolescent sample.