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. 2021 Dec 14;16(12):e0261261. doi: 10.1371/journal.pone.0261261

Table 1. Distribution of adolescents in relation to common mental disorders, sociodemographic characteristics, nutritional status, and lifestyle characteristics.

Study of Cardiovascular Risks in Adolescents (ERICA), Brazil, 2013–2014.

Variables All Common mental disorders prevalence
% CI 95% % CI 95% p-value
Sociodemographic characteristics
Sex <0.001
Female 49.8 * 38.3 37.0–39.6
Male 50.2 * 20.9 19.7–22.2
Age range <0.001
12 to 14 52.7 * 26.3 25.0–27.5
15 to 17 47.3 * 33.2 31.9–34.6
Race/color <0.05
White 40.1 38.4–41.7 29.2 27.6–30.8
Black or brown 57.2 55.5–58.8 29.4 28.4–30.4
Asian or indigenous 2.8 2.5–3.1 34.9 31.4–38.4
Administrative dependence of the school 0.621
Public 82.6 78.3–86.8 29.5 28.4–30.6
Private 17.4 13.2–21.7 29.9 28.7–31.0
Nutritional status <0.05
Underweight 0.4 0.3–0.6 13.8 8.0–19.7
Adequate 74 73.0–75.1 29.5 28.3–30.6
Overweight 17.1 16.3–17.9 30.7 29.2–32.3
Obesity 8.4 7.9–8.9 28.9 26.2–31.6
Lifestyle characteristics
Consumption of ultra-processed foods (grams/kcal) <0.05
Quartile 1 24.2 22.8–25.6 27.9 26.0–29.8
Quartile 2 23.3 22.6–24.1 28.0 26.2–29.8
Quartile 3 25.2 24.3–26.1 30.5 29.0–32.1
Quartile 4 27.3 26.2–28.5 31.5 30.2–32.8
Consumption of unprocessed or minimally processed foods (grams/kcal) <0.001
Quartile 1 24.4 23.1–25.6 33.0 31.4–34.5
Quartile 2 24.2 23.5–25.0 29.8 28.2–31.3
Quartile 3 24.4 23.7–25.1 28.0 26.7–29.4
Quartile 4 27.0 25.4–28.6 27.7 25.6–29.8
Water consumption <0.001
Does not drink water 1.5 1.3–1.7 55.7 50.1–61.3
1 to 2 glasses a day 18.7 17.8–19.5 36.7 34.6–38.8
3 to 4 glasses a day 31.6 30.6–32.5 29.2 27.6–30.9
5 or more glasses a day 48.2 47.1–49.4 26.2 25.0–27.4
Consumption of alcoholic beverages <0.001
Never had an alcoholic beverage 52.6 51.7–53.5 23.8 22.8–24.9
Did not drink in the last 30 days 25.2 24.3–26.1 31.9 30.2–33.7
Less than 1 glass or dose 4.6 4.2–5.0 34.7 29.8–39.7
1 glass or dose 5.5 4.8–6.1 39.1 34.8–43.4
2 glasses or doses 3.6 3.3–3.9 42.8 38.2–47.5
3 glasses or doses 2.5 2.2–2.8 46.2 41.0–51,5
4 glasses or doses 2.1 1.9–2.4 40.3 35.0–45.6
5 or more glasses or doses 3.9 3.5–4.2 43.4 39.5–47.2
Adequate sleep § <0.001
No 54.3 52.9–55.6 32.4 31.3–33.5
Yes 45.7 44.4–47.1 26.2 24.9–27.5
Physically active || <0.001
Inactive 26.6 25.8–27.4 36.4 35.2–37.6
Insufficiently active 27.7 26.7–28.6 28.1 26.2–30.0
Active 45.7 44.7–46.7 26.5 25.1–27.8
Smoking <0.001
Never smoked 84.4 83.6–85.2 29.5 28.6–30.3
Did not smoke in the last 30 days 11.2 10.5–11.8 48.4 42.8–54.0
Less than 1 cigarette a day 1.4 1.2–1.6 27.0 26.1–28.0
1 cigarette a day 1.2 1.0–1.4 42.1 40.2–43.9
2 to 5 cigarettes a day 1.2 1.0–1.3 44.1 37.0–51,2
6 to 10 cigarettes a day 0.4 0.3–0.5 41.3 32.8–49.7
More than 11 cigarettes a day 0.3 0.2–0.4 42.8 30.0–59.7

CI, Confidence interval.

*Variables used to calculate the natural weights and calibration factors of the sample.

Not reported by 1,867 adolescents.

Underweight, z-scores <-2; adequate, z-scores ≥-2 and ≤1; overweight, z-scores >1 and ≤2; obesity, z-scores >2).

§No, <8 hours or ≥11 hours/day; Yes, ≥ 8 and < 11 hours/day.

Inactive (0 minutes/week); insufficiently active (1–299 minutes/week); active (300 or more minutes/week).