Table 4 Prediction of serious suicidality at follow-up among participants reporting no suicidality at baseline (N = 6,057)

Demographics

   Marital status

Married/partnered (ref)

1.00

1.00

1.00

Divorced/Separated/Widowed

^

0.62 (0.0, 2.82)

4.29 (0.0, 8.75)

Never married

1.33 (0.23, 2.44)

0.83 (0.0, 3.51)

^

   Years studied to highest qualification

0.73 (0.44, 1.02)

1.10 (0.88, 1.32)

0.99

   Parent of (a) child(ren)

0.52 (0.0, 2.70)

1.35 (0.0, 3.20)

^

   Employment

Employed

1.00

1.00

1.00

Not employed

1.28 (0.0, 2.67)

^

^

Not in labour force

0.52 (0.0, 2.62)

4.08** (1.68, 6.48)

0.49 (0.0, 1.63)

Relationships and Life Stressors

Number of life events

1.12 (0.88, 1.36)

1.13 (0.73, 1.52)

1.24 (0.0, 2.51)

Childhood adversity

1.08 (0.88, 1.27)

0.90 (0.66, 1.14)

1.08 (0.0, 2.21)

Negative interactions with friends

1.05 (0.83, 1.27)

1.20 (0.88, 1.53)

0.89 (0.0, 1.79)

Negative interactions with family

0.90 (0.69, 1.11)

1.09 (0.82, 1.37)

0.95 (0.0, 1.91)

Variables entered

20s

40s

60s

Demographics

   Marital status

Married/partnered (ref)

1.00

1.00

1.00

Divorced/Separated/Widowed

^

1.75 (0.0, 3.62)

2.83 (0.50, 5.17)

Never married

4.17*** (3.11, 5.23)

1.05 (0.0, 2.58)

^

   Years studied to highest qualification

1.08 (0.83, 1.33)

1.01 (0.0, 2.19)

0.82 (0.40, 1.25)

   Parent of (a) child(ren)

1.59 (0.39, 2.80)

0.40 (0.0, 1.57)

^

   Employment

Employed

1.00

1.00

1.00

Not employed

0.63 (0.0, 2.76)

^

^

Not in labour force

2.12 (0.93, 3.31)

0.79 (0.0, 2.12)

0.45 (0.0, 2.10)

Relationships and Life Stressors

Number of life events

1.09 (0.85, 1.33)

0.89 (0.0, 1.91)

0.91 (0.06, 1.75)

Childhood adversity

1.06 (0.89, 1.22)

1.10 (0.0, 2.43)

1.33 (0.98, 1.68)

Negative interactions with friends

1.00 (0.78, 1.23)

0.84 (0.0, 1.77)

0.93 (0.41, 1.45)

Negative interactions with family

0.88 (0.70, 1.06)

0.95 (0.0, 2.04)

1.13 (0.70, 1.57)

Variables entered

20s

40s

60s

Health & Substance use

   Physical medical condition

1.96 (0.34, 3.57)

0.82 (0.0, 2.15)

0.61 (0.0, 1.75)

   Depression & Anxiety

1.02 (0.91, 1.12)

1.14* (1.02, 1.26)

1.08 (0.0, 2.26)

   Current smoker

0.71 (0.0, 1.59)

0.83 (0.0, 2.20)

1.05 (0.0, 2.72)

   Marijuana use

Don't use (includes previous users; reference group)

1.00

1.00

1.00

Once or twice per year

1.88 (0.92, 2.85)

^

^

Once every one to four months

1.22 (0.0, 2.46)

^

^

At least once per week

1.60 (0.31, 2.90)

^

^

   AUDIT^†

Abstain

1.00

1.00

1.00

Occasional/light drinking

0.61 (0.0, 1.92)

0.75 (0.0, 2.38)

1.06 (0.0, 2.78)

Medium level drinking

0.76 (0.0, 2.37)

1.42 (0.0, 3.21)

1.19 (0.0, 3.21)

Hazardous/harmful drinking

2.00 (0.25, 3.74)

1.50 (0.0, 4.15)

^

Personality

   Psychoticism

1.03 (0.81, 1.24)

1.06 (0.77, 1.34)

1.37 (0.0, 2.90)

   Mastery

0.96 (0.84, 1.09)

1.00 (0.85, 1.16)

0.97 (0.0, 2.01)

Variables entered

20s

40s

60s

Health & Substance use

   Physical medical condition

3.18*** (2.09, 4.26)

1.45 (0.0, 3.01)

0.43 (0.0, 2.32)

   Depression & Anxiety

1.09* (1.00, 1.18)

1.01 (0.0, 2.26)

1.28* (1.04, 1.52)

   Current smoker

0.98 (0.12, 1.84)

1.39 (0.0, 2.92)

0.86 (0.0, 3.55)

   Marijuana use

Don't use (includes previous users; reference group)

1.00

1.00

1.00

Once or twice per year

1.03 (0.06, 2.00)

3.60 (0.0, 7.54)

^

Once every one to four months

0.68 (0.0, 2.22)

^

^

At least once per week

1.72 (0.0, 3.45)

^

^

   AUDIT^†

Abstain

1.00

1.00

1.00

Occasional/light drinking

1.00 (0.0, 2.17)

0.83 (0.0, 2.20)

1.23 (0.0, 3.38)

Medium level drinking

0.57 (0.0, 2.25)

0.98 (0.0, 2.52)

0.84 (0.0, 3.54)

Hazardous/harmful drinking

^

0.61 (0.0, 2.57)

^

Personality

   Psychoticism

1.12 (0.85, 1.39)

0.83 (0.0, 1.74)

1.61 (0.92, 2.30)

   Mastery

1.04 (0.91, 1.17)

0.89 (0.0, 1.95)

0.69 (0.26, 1.12)