Common Mental Disorders and Contemporary Factors: 1982 Birth Cohort

To describe the association between common mental disorders and socio-demographic variables, smoking habits and stressful events among the 30-year-old members of a 1982 cohort.

Method:

Mental disorder was analyzed by the Self-Reporting Questionnaire (SRQ-20). Poisson regression was used to analyze the unadjusted and adjusted associations.

Results:

Low level of education and stressful events increased the prevalence of mental disorders for both genders. Lower income for women and unemployment for men also remained associated with CMD.

Conclusion:

It was possible to describe the association between contemporary factors and mental disorders in a young population, to which prevention and control measures, through public policies proposed to the areas of Primary Care, Mental Health and Education, can represent a better quality of life and health.

Descriptors:
Mental Health; Young Adult; Epidemiology; Association; Mental Disorders

Variable	Total		Men		Women
Variable	n	%	n	%	n	%
Skin color	0.001		0.02		0.01
White	2500	23.2	1204	20.1	1296	26.0
Black or brown	721	29.3	356	25.8	365	32.6
Level of education	<0.001^* * linear trend test.		<0.001^* * linear trend test.		<0.001^* * linear trend test.
0-4	219	45.2	106	37.7	113	52.2
5-8	723	35.0	398	27.1	325	44.6
9-11	1092	23.2	561	18.4	531	28.3
>12	1594	17.3	681	17.3	913	17.2
Family income in 2012	<0.001**		0.001**		<0.001**
1st tertile (lower income)	1187	32.8	497	25.8	690	37.8
2nd tertile	1135	21.3	594	20.2	541	22.3
3rd tertile	1154	16.3	598	17.3	556	15.3
Civil status	0.02		0.02		0.3
With a partner	2410	23.2	1139	19.6	1271	26.4
Without a partner	1231	26.6	617	24.5	614	28.7
Current employment	<0.001		0.001		<0.001
Yes	3026	22.0	1613	20.2	1413	23.9
No	613	35.9	142	32.4	471	37.0
Current smoking habit	<0.001		<0.001		<0.001
Yes	859	34.5	458	28.4	401	41.4
No	2783	21.2	1299	18.8	1484	23.3
Stressful events	<0.001^* * linear trend test.		<0.001^* * linear trend test.		<0.001^* * linear trend test.
No Event	748	6.2	358	6.7	390	5.6
1 Event	1073	13.1	546	11.7	527	14.4
2 Events	828	23.3	428	21.7	400	25.0
3 Events or more	990	50.9	422	45.3	568	55.1

Variable	Unadjusted PR (95%CI)	p value	Adjusted PR^ according to hierarchic test. (95%CI)	p value
Skin color		0.02		0.14
White	1		1
Black or brown	1.29 (1.04 - 1.58)		1.20 (0.96 - 1.51)
Level of education^* * linear trend test;		<0.001		0.001
0-4	2.18 (1.62 - 2.92)		1.93 (1.37 - 2.72)
5-8	1.57 (1.24 - 1.97)		1.31 (0.99 - 1.74)
9-11	1.06 (0.83 - 1.35)		0.93 (0.72 - 1.22)
>12	1		1
Family income in 2012^* * linear trend test;		0.002		0.16
1ºtertile (lower income)	1.49 (1.19 - 1.88)		1.27 (0.95 - 1.69)
2ºtertile	1.17 (0.92 - 1.49)		1.15 (0.88 - 1.50)
3ºtertile	1		1
Civil status		0.016		0.046
With partner	1		1
No partner	1.25 (1.04 - 1.50)		1.21 (0.99 - 1.49)
Current employment		0.0003		0.04
Yes	1		1
No	1.60 (1.24 - 2.07)		1.42 (1.00 - 2.00)
Current smoking habit		<0.001		0.03
Yes	1.51 (1.26 - 1.82)		1.24 (1.02 - 1.50)
No	1		1
Stressful events^* * linear trend test;		<0.001		<0.001
No event	1		1
1 Event	1.74 (1.11 - 2.74)		1.70 (1.06 - 2.73)
2 Events	3.24 (2.11 - 4.96)		2.99 (1.91 - 4.69)
3 Events or more	6.75 (4.52 - 10.08)		6.09 (4.00 - 9.28)

Variable	Unadjusted PR (CI95%)	p value	Adjusted PR^ according to hierarchic model. (CI95%)	p value
Skin color		0.01		0.77
White	1		1
Black or pardo	1.25 (1.05 - 1.49)		0.97 (0.80 - 1.17)
Level of education^* * linear trend test;		<0.001		<0.001
0-4	3.03 (2.42 - 3.80)		2.38 (1.79 - 3.16)
5-8	2.59 (2.15 - 3.13)		2.06 (1.62 - 2.62)
9-11	1.64 (1.35 - 1.99)		1.41 (1.11 - 1.78)
>12	1		1
Family income in 2012^* * linear trend test;		<0.001		<0.001
1ºtertile (lower income)	2.47 (1.98 - 3.08)		1.65 (1.26 - 2.17)
2ºtertile	1.47 (1.15 - 1.90)		1.25 (0.95 - 1.65)
3ºtertile	1		1
Civil status		0.29		0.53
With partner	1		1
No partner	1.08 (0.93 - 1.27)		1.06 (0.89 - 1.28)
Current employment		<0.001		0.3
Yes	1		1
No	1.55 (1.33 - 1.80)		1.10 (0.92 - 1.31)
Current smoking habit		<0.001		0.08
Yes	1.78 (1.53 - 2.07)		1.15 (0.98 - 1.35)
No	1		1
Stressful events^* * linear trend test;		<0.001		<0.001
No event	1		1
1 Event	2.55 (1.62 - 4.03)		2.22 (1.40 - 3.53)
2 Events	4.43 (2.85 - 6.88)		3.65 (2.32 - 5.73)
3 Events or more	9.77 (6.46 - 14.76)		6.98 (4.56 - 10.68)

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[1] Corresponding Author: Lenice de Castro Muniz de Quadros E-mail: lenicemuniz@hotmail.com