Table 1

Sample description of the Brazilian National Health Survey, 2019 (nationally and by region)

Independent variables	Brazil		Regions of Brazil
	Brazil		North		Northeast		Southeast		South		Central-West
	N	%	N	%	N	%	N	%	N	%	N	%
Geographical area
Rural	20 973	14.1	4840	22.4	9887	25.8	2641	6.3	2149	13.5	1456	9.2
Urban	69 873	85.9	12 762	77.6	21 657	74.2	17 189	93.7	9323	86.5	8942	90.8
Sex
Male	42 799	47.1	8627	48.3	14 552	46.8	9235	46.7	5537	47.6	4848	47.4
Female	48 047	52.9	8975	51.7	16 992	53.2	10 595	53.3	5935	52.4	5550	52.6
Age (years)
15–19	4336	9.2	1196	12.2	1581	10.2	740	8.4	388	8.0	431	9.6
20–29	13 373	17.2	3183	20.9	4712	18.0	2434	16.1	1408	15.7	1636	19.2
30–39	18 150	19.8	3833	21.4	6432	20.2	3636	19.3	2185	20.0	2064	19.6
40–49	16 602	17.2	3275	17.5	5757	17.0	3558	17.0	2011	17.0	2001	18.5
50–59	15 657	16.2	2628	12.5	5326	15.1	3637	17.2	2173	17.3	1893	16.0
60–69	12 555	11.5	2032	8.9	4104	10.5	3166	12.5	1850	12.7	1403	10.2
70–79	7157	6.2	1045	4.7	2530	5.9	1845	6.6	1036	6.8	701	5.0
≥80	3016	2.8	410	2.0	1102	3.1	814	2.9	421	2.6	269	1.9
Skin colour
White	33 133	42.9	3338	18.5	8014	24.5	9296	50.3	8 670	72.3	3815	35.5
Black	10 345	11.4	1869	10.1	4136	14.5	2615	11.9	604	5.6	1121	10.3
Others*	47 358	45.7	12 394	71.5	19 390	61.0	7916	37.9	2197	22.1	5461	54.3
Education (years of schooling)
0	7658	5.8	1651	7.3	4230	11.5	800	3.2	401	2.9	576	5.2
1–8	35 785	37.3	6643	38.7	13 266	40.5	7398	34.4	4727	40.3	3751	35.0
9–11	29 824	37.1	6225	38.5	9792	34.3	6816	39.1	3558	35.5	3433	37.0
≥12	17 579	19.8	3083	15.5	4256	13.6	4816	23.4	2786	21.3	2638	22.9
Marital status
Married	35 144	41.5	5998	34.7	11 498	36.0	8650	45.5	5006	44.9	3992	39.0
Single	40 560	45.3	9456	56.8	15 254	52.7	7108	39.7	4172	40.8	4570	47.7
Widowed	7628	6.5	1062	4.4	2673	6.3	1985	6.9	1128	7.1	780	5.9
Separated/divorced	7514	6.7	1086	4.1	2119	5.0	2087	7.9	1166	7.2	1056	7.5
Currently smoking
No	79 460	87.8	15 535	90.1	27 957	89.7	17 192	87.1	9766	85.6	9010	87.4
Yes	11 386	12.2	2067	9.9	3587	10.3	2638	12.9	1706	14.4	1388	12.6
Alcohol abuse
No	86 801	95.6	16 864	95.6	30 133	95.5	19 088	96.0	10 916	95.3	9800	94.6
Yes	4045	4.4	738	4.4	1411	4.5	742	4.0	556	4.7	598	5.4
Screen time (hours)
<6	83 679	90.1	16 110	90.4	29 089	90.0	18 099	89.8	10 795	91.8	9586	88.9
≥6	7167	9.9	1492	9.6	2455	10.0	1731	10.2	677	8.2	812	11.1
Physical disorder
No	54 660	61.9	11 769	70.4	19 394	65.4	10 855	58.8	6 295	58.6	6 347	64.6
Yes	36 186	38.1	5 833	29.6	12 150	34.6	8 975	41.2	5 177	41.1	4 051	35.4
Mental health comorbidity
No	85 941	93.6	17 139	97.6	29 960	94.7	18 420	92.7	10 664	92.4	9 758	93.5
Yes	4 905	6.4	463	2.4	1 584	5.3	1 410	7.3	808	7.6	640	6.5

*Others (indigenous, yellow and brown).