<i>Mensuração da depressão na população brasileira: validação do</i> Questionário de Saúde do Paciente <i>(PHQ-8)</i>

Contributors

I. Lua contributed in the conception and design of the study, data analysis, first draft of the manuscript, writing and comments on previous versions of the manuscript. K. S. Freitas contributed in the data analysis, and commented on previous versions of the manuscript. J. R. B. Teixeira and M. E. Reichenheim contributed in the data analysis, and writing and comments on previous versions of the manuscript. M. M. G. Almeida contributed in the conception and design of the study, writing and comments on previous versions of the manuscript. T. M. Araújo contributed in the conception and design of the study, writing and comments on previous versions of the manuscript. All authors read and approved the final version of the manuscript.

Additional informations

ORCID: Iracema Lua (0000-0002-5760-5073); Katia Santana Freitas (0000-0002-0491-6759); Jules Ramon Brito Teixeira (0000-0002-8443-7810); Michael Eduardo Reichenheim (0000-0001-7232-6745); Maura Maria Guimarães de Almeida (0000-0001-8340-2803); Tânia Maria de Araújo (0000-0003-2766-7799).

ITEM		CONTENT
p1	Little interest or pleasure in doing things.	Anhedonia
p2	Feeling sad, depressed or hopeless.	Depressed mood
p3	Difficulty to fall asleep or stay asleep, or sleeping more than usual.	Sleep problems
p4	Feeling tired or having little energy.	Tiredness or lack of energy
p5	Poor appetite or overeating.	Change in appetite or weight
p6	Feeling bad about yourself; thinking that you are a failure or that you were disappointing yourself or your family.	Guilt or worthlessness
p7	Trouble concentrating on things, such as reading the newspaper or watching television.	Concentration problems
p8	Slowness to move or talk to the point that other people notice, or the opposite, you have been so agitated or restless that you have been moving around a lot more than usual.	Feeling slow or restless

Characteristics	n	%
Gender [n = 4,170]
Women	2,819	67.6
Men	1,351	32.4
Age (years) [n = 4,168]
Mean (SD)	38.94 (17.9)
≤ 40	2,426	58.2
> 40	1,742	41.8
Race/Skin color [n = 3,953]
White/Asian	687	17.4
Black	3,191	80.7
Indigenous	75	1.9
Marital status [n = 4,147]
With companion	2,015	48.6
No companion	2,132	51.4
Schooling level [n = 4,156]
Incomplete elementary school	1,842	44.3
Complete primary education	922	22.2
Complete high school	1,304	31.4
Graduated	88	2.1
Income * (minimum wage) [n = 2,385]
Up to one	1,254	52.6
1-2	714	29.9
More than 2	417	17.5
Work situation [n = 4,167]
Employed	1,706	40.9
Unemployed	2,461	59.1

PHQ-8 item		Response categories (%)
PHQ-8 item		None (0)	A few days (1)	More than half the days (2)	Almost every day (3)
p1	Little interest or pleasure in doing things.	72.1	15.1	5.1	7.7
p2	Feeling sad, depressed or hopeless.	68.1	18.2	6.8	6.9
p3	Difficulty to fall asleep or stay asleep, or sleeping more than usual.	64.0	16.1	7.4	12.5
p4	Feeling tired or having little energy.	63.4	21.8	6.9	7.9
p5	Poor appetite or overeating.	70.0	13.9	4.7	11.4
p6	Feeling bad about yourself; thinking that you are a failure or that you were disappointing yourself or your family.	84.3	9.5	2.5	3.7
p7	Trouble concentrating on things, such as reading the newspaper or watching television.	77.7	12.0	3.7	6.6
p8	Slowness to move or talk to the point that other people notice, or the opposite, you have been so agitated or restless that you have been moving around a lot more than usual.	82.4	7.3	3.3	7.0

Depression	Spearman’s correlation (r)	p-value *
Common mental disorders (SRQ-20)	0.592	< 0.001
Panic disorder (PHQ-8)	0.326	< 0.001
Generalized anxiety disorder (PHQ-8)	0.274	< 0.001

Brasil