. Author manuscript; available in PMC: 2015 Jun 2.

Published in final edited form as: Psychol Med. 2013 Dec 2;44(10):2067–2076. doi: 10.1017/S0033291713002900

Table 3. PHQ-9 symptoms predicted by risk factors (heterogeneity model).

	Female sex		Neuroticism		Childhood stress		History of depression		Stressful life events		Work hours		R²

	β		β		β		β		β		β
Interest	−0.01		0.29	^***	0.05		0.13	^***	0.05		0.15	^***	0.20
Depressed	0.01		0.32	^***	0.04		0.15	^***	0.03		0.09	^***	0.23
Sleep	0.09	^***	0.20	^***	0.02		0.09	^**	0.04		0.07	^**	0.13
Fatigue	0.10	^***	0.20	^***	0.05		0.11	^***	0.05	^*	0.24	^***	0.20
Appetite	0.09	^***	0.24	^***	0.04		0.08	^**	0.05	^*	0.15	^***	0.20
Self-blame	0.04		0.36	^***	0.03		0.11	^***	0.02		0.10	^***	0.26
Concentration	0.05	^*	0.19	^***	0.08	^**	0.12	^***	0.08	^**	0.14	^***	0.17
Psychomotor	−0.04		0.22	^***	0.08	^**	0.03		0.06	^*	0.14	^***	0.11
Suicide	−0.08	^**	0.22	^***	0.10	^***	0.04		0.08	^**	0.05	^*	0.14

β, standardized regression coefficients of risk factors on symptoms. R², adjusted R-squared values. Family history of depression is not displayed because none of the effects was significant.

p < 0.05,

^**

p < 0.01,

^***

p < 0.001.