Predictors of depressive symptoms among nurses of intensive care unit

Vasconcelos, Eduardo Motta de; De Martino, Milva Maria Figueiredo

doi:10.1590/2177-9465-EAN-2017-0031

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RESEARCH • Esc. Anna Nery 21 (3) • 2017 • https://doi.org/10.1590/2177-9465-EAN-2017-0031 copy

Predictors of depressive symptoms among nurses of intensive care unit

Los predictores de la sintomatología depresiva en enfermeros de unidades de cuidados intensivos

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objectives:

To identify the prevalence and analyze the existence of predictive factors of depressive symptomatology among nurses from intensive care unit.

Methods:

A quantitative, descriptive, cross-sectional study was performed with 91 intensive care nurses. Two instruments were used for data collection performed in July 2014: a sociodemographic questionnaire and the Beck Depression Inventory (version I). Fisher's exact test was used to analyze the existence of associations between depressive symptomatology and categorical variables.

Results:

Eleven percent of the sample presented with depressive symptomatology. Of the variables studied, none was significantly associated with depressive symptomatology (p-value ≥ 0.05).

Conclusion:

The prevalence of depressive symptomatology corresponded to 11%. None of the variables showed a significant association with depressive symptomatology.

Keywords:
Nurses; Intensive care units; Stress, psychological; Depressive disorder; Prevalence

Variable	Depression						p-value	OR (95% CI)
	Present		Absent		Total
	n	%	n	%	n	%
Age range (years)
22-29	8	17.8	37	82.2	45	100.0	0.050	^ Could not be determined due to zero or very low frequencies.
30-59	2	4.3	44	95.7	46	100.0
Sex
Male	1	10.0	9	90.0	10	100.0	1.000	^ Could not be determined due to zero or very low frequencies.
Female	9	11.1	72	88.9	81	100.0
Marital status
Married	2	5.9	32	94.1	34	100.0	0.311	^ Could not be determined due to zero or very low frequencies.
Single	8	14.0	49	86.0	57	100.0
Children
Yes	1	3.8	25	96.2	26	100.0	0.271	^ Could not be determined due to zero or very low frequencies.
No	9	13.8	56	86.2	65	100.0
Group total	10	11.0	81	89.0	91	100.0

Variable	Depression						p-value	OR (95% CI)
	Present		Absent		Total
	n	%	n	%	n	%
Physical activity
Yes	5	11.4	39	88.6	44	100.0	1.000	1.08 (0.29-4.01)
No	5	10.6	42	89.4	47	100.0		1.00
Smoker
Yes	2	20.0	8	80.0	10	100.0	0.302	^ Could not be determined due to zero or very low frequencies.
No	8	9.9	73	90.1	81	100.0
Alcohol consumption
Yes	4	8.3	44	91.7	48	100.0	0.508	1.00
No	6	14.0	37	86.0	43	100.0		1.78 (0.47-6.80)
Group total	10	11.0	81	89.0	91	100.0

Variable	Depression						p-value	OR (95% CI)
	Present		Absent		Total
	n	%	n	%	n	%
Shift
Morning	2	6.7	28	93.3	30	100.0	0.764	^ Could not be determined due to zero or very low frequencies.
Afternoon	4	13.3	26	86.7	30	100.0		^ Could not be determined due to zero or very low frequencies.
Night	4	12.9	27	87.1	31	100.0		^ Could not be determined due to zero or very low frequencies.
Two jobs?
Yes	2	33.3	4	66.7	6	100.0	0.129	^ Could not be determined due to zero or very low frequencies.
No	8	9.4	77	90.6	85	100.0
Duration of vacations (days)
Up to 25 days	1	5.0	19	95.0	20	100.0	0.450	^ Could not be determined due to zero or very low frequencies.
30 days or more	9	12.7	62	87.3	71	100.0
Working hours
< 30 hours	1	14.3	6	85.7	7	100.0	0.351	^ Could not be determined due to zero or very low frequencies.
30-40 hours	3	6.1	46	93.9	49	100.0		^ Could not be determined due to zero or very low frequencies.
41-50 hours	2	15.4	11	84.6	13	100.0		^ Could not be determined due to zero or very low frequencies.
51-60 hours	2	18.2	9	81.8	11	100.0		^ Could not be determined due to zero or very low frequencies.
> 60 hours	2	18.2	9	81.8	11	100.0
Group total	10	11.0	81	89.0	91	100.0

Variable	Depression						p-value	OR (95% CI)
	Present		Absent		Total
	n	%	n	%	n	%
Income
2 a 5	5	11.9	37	88.1	42	100.0	0.164	^ Could not be determined due to zero or very low frequencies.
6 a 9	1	3.7	26	96.3	27	100.0		^ Could not be determined due to zero or very low frequencies.
10 or more	3	21.4	11	78.6	14	100.0		^ Could not be determined due to zero or very low frequencies.
Group total	9	10.8	74	89.2	83	100.0
Years of experience in the ICU
6 months to 1 year	4	28.6	10	71.4	14	100.0	0.165	^ Could not be determined due to zero or very low frequencies.
> 1-2 years	1	7.7	12	92.3	13	100.0		^ Could not be determined due to zero or very low frequencies.
> 2-3 years	2	15.4	11	84.6	13	100.0		^ Could not be determined due to zero or very low frequencies.
> 3-5 years	1	7.7	12	92.3	13	100.0		^ Could not be determined due to zero or very low frequencies.
> 5 years	2	5.3	36	94.7	38	100.0		^ Could not be determined due to zero or very low frequencies.
Patients attended per day
Less than 10	9	12.3	64	87.7	73	100.0	0.680	^ Could not be determined due to zero or very low frequencies.
10 or more	1	5.6	17	94.4	18	100.0
Training in the hospital
Yes	6	11.5	46	88.5	52	100.0	1.000	1.14 (0.30 a 4.36)
No	4	10.3	35	89.7	39	100.0		1.00
Group total	10	11.0	81	89.0	91	100.0

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[1] Corresponding author: Eduardo Motta de Vasconcelos. E-mail: vasconcelos.motta@unifesp.br