Table 2

Crude prevalence of self-reported medical diagnosis of depression, with 95% CI, according to independent variables, nationally and by region

Independent variables	Brazil			Regions of Brazil
	Brazil			North			Northeast			Southeast			South			Central-West
	N	%	95% CI	N	%	95% CI	N	%	95% CI	N	%	95% CI	N	%	95% CI	N	%	95% CI
Self-reported depression	8332	9.9	9.5 to 10.2	936	4.8	4.2 to 5.3	2301	6.7	6.3 to 7.1	2288	11.1	10.4 to 11.8	1732	14.8	13.9 to 15.7	1075	10.3	9.4 to 11.2
Geographical area
Rural	1386	7.2	6.6 to 7.8	201	3.3	2.7 to 3.9	513	5	4.3 to 5.7	257	9.5	7.9 to 11.1	303	15.4	13.2 to 17.7	112	6.9	5.3 to 8.4
Urban	6946	10.3	9.9 to 10.7	735	5.2	4.5 to 5.9	1788	7.3	6.8 to 7.7	2031	11.2	10.5 to 11.9	1429	14.7	13.7 to 15.7	963	10.7	9.7 to 11.6
Sex
Male	1954	4.9	4.6 to 5.3	222	2.7	2.1 to 3.2	488	2.9	2.6 to 3.3	560	5.8	5.1 to 6.5	442	7.3	6.4 to 8.2	242	5.3	4.3 to 6.2
Female	6378	14.3	13.7 to 14.9	714	6.8	5.9 to 7.6	1813	10	9.4 to 10.6	1728	15.8	14.6 to 16.9	1290	21.6	20.1 to 23.1	833	14.9	13.5 to 16.2
Age (years)
15–19	174	4.8	3.8 to 5.9	28	2	1.0 to 3.0	55	3.1	2.1 to 4.1	39	5.3	3.0 to 7.6	29	6.8	3.9 to 9.7	23	9.5	5.7 to 13.3
20–29	752	5.8	5.1 to 6.6	120	3.5	2.7 to 4.4	185	3.5	2.8 to 4.2	193	7.2	5.5 to 8.9	149	8.9	7.1 to 10.6	105	5	3.6 to 6.3
30–39	1371	9	8.2 to 9.7	177	4.6	3.4 to 5.8	406	6	5.1 to 6.8	324	9.7	8.3 to 11.2	281	14.2	12.1 to 16.3	183	10.3	8.3 to 12.3
40–49	1747	12.6	11.6 to 13.6	203	6.7	5.1 to 8.3	502	8.5	7.5 to 9.5	493	14.7	12.6 to 16.7	326	17.4	15.1 to 19.8	223	12.5	10.4 to 14.6
50–59	1922	12.9	11.9 to 13.8	188	5.9	4.8 to 7.1	532	9.8	8.7 to 11.0	548	13.8	12.1 to 15.6	382	17.3	15.3 to 19.3	272	13.7	11.4 to 16.0
60–69	1417	13	12.0 to 14.1	139	6.1	4.6 to 7.7	381	9.6	8.1 to 11.1	404	13.7	11.8 to 15.6	332	19.7	17.3 to 22.1	161	11.4	8.6 to 14.1
70–79	705	10.7	9.5 to 11.9	63	6.1	3.7 to 8.5	176	7.1	5.8 to 8.4	212	11.2	9.0 to 13.4	168	16.6	13.6 to 19.5	86	10.8	7.9 to 13.7
≥80	244	9.3	7.5 to 11.0	18	4	1.6 to 6.4	64	5.5	3.6 to 7.3	75	9.9	6.6 to 13.1	65	16.8	11.3 to 22.2	22	11.3	5.8 to 16.7
Skin colour
White	3833	12.1	11.5 to 12.7	225	5.8	4.7 to 6.9	661	7.6	6.7 to 8.4	1160	12.5	11.4 to 13.6	1352	15.2	14.2 to 16.3	435	11.4	10.0 to 12.9
Black	773	7.9	7.0 to 8.8	78	5.6	2.9 to 8.3	276	6.1	5.0 to 7.2	238	8.5	7.0 to 10.1	89	15.5	11.3 to 19.7	92	7.2	5.0 to 9.4
Others*	3726	8.3	7.8 to 8.7	633	4.4	3.9 to 4.9	1364	6.5	6.0 to 7.0	890	10	9.0 to 11.1	291	13.2	11.3 to 15.0	548	10.2	9.0 to 11.4
Education (years of schooling)
0	525	8	6.9 to 9.1	81	5.1	3.3 to 6.9	245	6.2	5.1 to 7.3	79	10.4	6.9 to 13.8	59	13.9	9.7 to 18.1	61	12.2	8.1 to 16.3
1–8	3377	10.5	10.0 to 11.1	335	4.3	3.7 to 4.9	1006	6.8	6.2 to 7.5	883	12	10.8 to 13.2	774	17.1	15.5 to 18.7	379	9.9	8.5 to 11.4
9–11	2417	8.4	7.9 to 9.0	277	4.5	3.4 to 5.7	651	5.9	5.3 to 6.5	690	9	8.0 to 10.1	464	12.4	10.9 to 13.9	335	9.9	8.4 to 11.4
≥12	2013	12	11.1 to 12.9	243	6.4	5.2 to 7.7	399	8.6	7.5 to 9.7	636	13.3	11.8 to 14.8	435	14.5	12.7 to 16.2	300	11.1	9.4 to 12.8
Marital status
Married	3119	10.1	9.6 to 10.7	332	5.4	4.4 to 6.4	807	7	6.4 to 7.7	913	10.8	9.7 to 11.8	687	15	13.5 to 16.4	380	9.7	8.5 to 10.9
Single	3051	7.9	7.4 to 8.4	413	3.8	3.2 to 4.4	973	5.7	5.2 to 6.3	707	9.1	8.0 to 10.2	567	12	10.8 to 13.3	391	8.6	7.4 to 9.9
Widowed	1011	14.2	12.9 to 15.4	86	8.5	5.6 to 11.4	269	9.2	7.7 to 10.6	301	15.5	13.3 to 17.7	225	19.3	16.3 to 22.4	130	17.2	13.2 to 21.2
Separated/ divorced	1151	17.9	16.3 to 19.5	105	9.1	6.3 to 11.8	252	11.3	9.4 to 13.2	367	19.1	16.3 to 21.9	253	24.7	21.0 to 28.4	174	18.8	15.3 to 22.3
Currently smoking
No	7092	9.7	9.3 to 10.1	827	4.8	4.2 to 5.4	2003	6.5	6.1 to 6.9	1933	11	10.2 to 11.7	1436	14.5	13.5 to 15.5	893	10.1	9.1 to 11.0
Yes	1240	11.4	10.4 to 12.4	109	4.4	3.2 to 5.6	298	8.1	6.6 to 9.6	355	11.9	10.0 to 13.7	296	16.6	14.4 to 18.9	182	12.1	9.8 to 14.4
Alcohol abuse
No	7418	10.6	10.2 to 11.0	836	5.1	4.5 to 5.8	2097	7.4	6.9 to 7.8	2006	11.8	11.0 to 12.6	1549	15.5	14.4 to 16.5	930	11.3	10.3 to 12.4
Yes	914	6.4	5.7 to 7.0	100	2.9	2.1 to 3.6	204	3.2	2.6 to 3.9	282	7.7	6.4 to 9.0	183	10.8	8.7 to 12.9	145	6	4.8 to 7.3
Screen time (hours)
<6	7625	9.9	9.6 to 10.3	832	4.5	4.1 to 5.0	2119	6.8	6.4 to 7.2	2081	11.2	10.5 to 12.0	1621	14.9	13.9 to 15.8	972	9.7	8.9 to 10.6
≥6	707	9.4	8.4 to 10.5	104	7	4.2 to 9.9	182	5.8	4.7 to 6.9	207	9.8	7.9 to 11.7	111	14	10.7 to 17.3	103	14.8	11.2 to 18.5
Physical disorders
No	3124	6.3	5.9 to 6.7	376	2.8	2.4 to 3.3	870	4.3	3.9 to 4.7	840	7.2	6.4 to 8.0	628	9.8	8.8 to 10.7	410	6.7	5.8 to 7.6
Yes	5208	15.7	15.0 to 16.4	560	9.4	8.1 to 10.7	1431	11.2	10.4 to 12.0	1448	16.7	15.4 to 17.9	1104	21.9	20.3 to 23.5	665	16.9	15.1 to 18.7
Mental health comorbidity
No	6053	7.3	6.9 to 7.6	740	3.8	3.4 to 4.3	1664	4.9	4.6 to 5.2	1593	7.8	7.2 to 8.4	1290	11.7	10.9 to 12.6	766	7.9	7.1 to 8.7
Yes	2279	48.6	46.3 to 50.9	196	42.2	34.0 to 50.5	637	38.4	35.0 to 41.9	695	53.1	49.1 to 57.0	442	51.9	47.0 to 56.8	309	44.9	39.3 to 50.5

*Others (indigenous, yellow and brown).