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. 2021 Oct 21;30:e66. doi: 10.1017/S204579602100055X

Table 2.

Description of the PNS sample that answered the individual health questionnaire (n = 90 846)

Prevalence
Respondents Proportion of Brazilian population Doctor-diagnosed depression PHQ-9-screened depression (⩾10) Undiagnosed depression
Total 90 846 100.0% 9.9% (9.5–10.3) 10.8% (10.4–11.2) 6.9% (6.6–7.2)
Sex
Female 48 047 53.0% (52.4–53.6) 14.3% (13.7–14.9) 15.1% (14.4–15.7) 9.3% (8.8–9.8)
Male 42 799 47.1% (46.5–47.7) 4.9% (4.6–5.3) 6.0% (5.6–6.4) 4.2% (3.9–4.6)
Age category
15–24 10 460 18.6% (18.0–19.2) 5.3% (4.6–6.2) 10.8% (9.7–11.9) 8.1% (7.2–9.1)
25–34 15 970 17.1% (16.6–17.6) 7.1% (6.4–7.8) 9.6% (8.8–10.5) 6.6% (5.9–7.3)
35–44 18 033 19.1% (18.7–19.6) 10.8% (9.9–11.7) 10.6% (9.8–11.3) 6.5% (6.0–7.2)
45–54 15 885 16.9% (16.4–17.3) 12.7% (11.8–13.7) 11.8% (10.9–12.7) 6.8% (6.1–7.5)
55–64 14 572 14.2% (13.8–14.6) 13.4% (12.3–14.5) 11.4% (10.5–12.4) 6.3% (5.6–7.0)
65–74 9965 8.9% (8.5–9.2) 11.8% (10.7–13.0) 10.0% (9.0–11.2) 6.2% (5.5–7.1)
75+ 5961 5.2% (5.0–5.5) 10.2% (8.9–11.6) 12.0% (10.7–13.5) 8.6% (7.5–9.8)
Education level
Without education 7658 5.8% (5.6–6.1) 8.0% (7.0–9.2) 12.8% (11.6–14.2) 9.1% (8.0–10.3)
Incomplete elementary or equivalent 28 618 28.5% (27.9–29.1) 11.0% (10.4–11.7) 12.1% (11.4–12.8) 7.7% (7.2–8.3)
Complete elementary or equivalent 7167 8.8% (8.5–9.1) 8.9% (7.8–10.2) 11.1% (9.9–12.5) 7.5% (6.5–8.7)
Incomplete secondary or equivalent 6353 8.6% (8.3–9.0) 7.7% (6.5–9.1) 11.3% (9.8–13.0) 7.3% (6.2–8.4)
Complete secondary or equivalent 23 471 28.4% (27.9–29.0) 8.6% (8.0–9.3) 9.4% (8.7–10.1) 6.2% (5.6–6.8)
Incomplete 3° or equivalent 3962 4.8% (4.6–5.1) 11.2% (9.3–13.4) 13.0% (10.9–15.3) 7.9% (6.4–9.8)
Graduated from 3° 13 617 15.0% (14.4–15.6) 12.2% (11.3–13.2) 9.0% (8.1–10.0) 5.0% (4.3–5.8)
Ethnicity/race
White 33 133 42.9% (42.2–43.7) 12.1% (11.5–12.8) 10.6% (10.0–11.2) 6.3% (5.8–6.8)
Black 10 345 11.4% (11.0–11.8) 7.9% (7.1–8.8) 11.7% (10.7–12.8) 8.2% (7.4–9.1)
Mixed Black 45 994 44.2% (43.5–44.8) 8.3% (7.8–8.8) 10.7% (10.2–11.3) 7.2% (6.7–7.6)
Other 1374 1.5% (1.3–1.7) 7.7% (5.6–10.5) 10.0% (7.0–14.3) 7.6% (4.8–11.8)
Dwelling
Urban slum 20 741 14.3% (13.7–15.0) 8.6% (7.9–9.3) 11.3% (10.4–12.1) 7.7% (7.0–8.4)
Urban non-slum 49 132 71.6% (70.8–72.4) 10.7% (10.2–11.2) 11.3% (10.8–11.8) 7.1% (6.8–7.5)
Rural 20 973 14.1% (13.7–14.5) 7.2% (6.6–7.8) 7.6% (6.9–8.2) 5.0% (4.5–5.5)
Number of comorbidities
0 46 427 53.1% (52.5–53.8) 5.3% (5.0–5.7) 6.8% (6.3–7.2) 5.0% (4.6–5.4)
1 25 087 26.7% (26.2–27.2) 10.7% (10.0–11.4) 11.3% (10.6–12.1) 7.4% (6.8–8.0)
2 11 621 12.0% (11.6–12.3) 16.3% (15.1–17.6) 16.0% (14.9–17.3) 10.0% (9.1–11.0)
3+ 7711 8.2% (7.9–8.6) 27.3% (25.3–29.3) 27.2% (25.6–29.0) 13.1% (11.9–14.4)
Registered with the FHS
Registered 57 500 61.8% (60.7–62.9) 9.9% (9.4–10.3) 11.1% (10.6–11.7) 7.1% (6.8–7.5)
Not registered 22 512 26.9% (25.9–27.9) 10.0% (9.3–10.7) 10.5% (9.7–11.4) 6.8% (6.2–7.4)
Unknown 10 834 11.3% (10.8–11.9) 9.9% (8.8–11.0) 9.5% (8.5–10.6) 6.0% (5.2–6.9)
Physically active in last 3 months
Yes 36 398 43.4% (42.7–44.1) 9.3% (8.6–9.9) 8.3% (7.8–8.9) 5.2% (4.8–5.6)
No 54 448 56.6% (55.9–57.3) 10.4% (9.9–10.9) 12.7% (12.1–13.2) 8.2% (7.8–8.7)
Smoking status
Non-smoker 79 460 87.8% (87.5–88.2) 9.7% (9.3–10.1) 10.2% (9.8–10.7) 6.6% (6.3–6.9)
Smoker 11 386 12.2% (11.8–12.5) 11.4% (10.4–12.4) 14.7% (13.5–16.0) 9.3% (8.3–10.4)
Drinks alcohol
No 55 430 58.9% (58.3–59.6) 11.1% (10.6–11.6) 11.9% (11.4–12.4) 7.4% (7.0–7.8)
Yes 35 416 41.1% (40.4–41.7) 8.2% (7.7–8.7) 9.2% (8.7–9.8) 6.2% (5.8–6.7)
Enrolled in private health plan
Yes 20 568 26.6% (25.8–27.3) 12.4% (11.6–13.2) 9.3% (8.6–10.1) 5.3% (4.8–5.9)
No 70 278 73.4% (72.7–74.2) 9.0% (8.6–9.4) 11.3% (10.9–11.8) 7.5% (7.1–7.9)
Household income
<0.25× MW 9550 8.2% (7.9–8.6) 8.1% (7.1–9.1) 12.7% (11.5–14.0) 9.0% (8.0–10.1)
0.25–0.5× MW 14 147 14.9% (14.4–15.3) 8.2% (7.4–9.0) 12.4% (11.4–13.4) 8.4% (7.6–9.3)
0.5–1.0× MW 26 406 29.2% (28.6–29.8) 9.3% (8.6–10.0) 11.5% (10.8–12.2) 7.6% (7.0–8.1)
1–2× MW 22 466 27.5% (27.0–28.1) 10.1% (9.4–10.9) 10.3% (9.5–11.1) 6.5% (5.9–7.2)
2–3× MW 7612 8.9% (8.6–9.3) 12.1% (10.6–13.7) 9.3% (8.1–10.7) 4.9% (4.2–5.7)
3–5× MW 5554 6.2% (5.9–6.5) 11.9% (10.6–13.4) 7.8% (6.6–9.2) 4.5% (3.7–5.4)
5+× MW 5089 5.0% (4.6–5.4) 13.7% (12.2–15.4) 7.9% (6.7–9.3) 4.0% (3.2–5.0)

FHS, family health strategy; MW, minimum wage.

Note: Prevalence of self-reported depression diagnosis, PHQ-9-screened depression and undiagnosed depression displayed (95% CI). PHQ-9 information was not available for 3268 of the 94 114 individual respondents.