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. 2023 May 26;141(6):e2022424. doi: 10.1590/1516-3180.2022.0424.R1.30032023

Table 2. Prevalence and crude and adjusted odds ratio (OR) (95% confidence interval [CI]) of smoking by adolescents during the pandemic, according to potential associated factors. ConVid Adolescentes, 2020.

Variables During % (95% CI) Crude OR (95% CI) Adjusted*OR (95% CI)
Total 2.41 (2.02; 2.87)
Sex
Male 2.77 (2.15; 3.57)
Female 2.05 (1.64; 2.57) 0.74 (0.52; 1.04) 0.74 (0.52; 1.04)
Age group
12 to 15 years old 2.05 (1.60; 2.62)
16 and 17 years old 3.16 (2.49; 4.00) 1.56 (1.10; 2.22) 1.55 (1.09; 2.20)
Race/Skin color
White 2.09 (1.57; 2.77)
Black 4.09 (2.60; 6.38) 2.00 (1.15; 3.46) 1.82 (1.05; 3.15)
Brown 2.34 (1.79; 3.06) 1.12 (0.75; 1.67) 1.05 (0.70; 1.58)
Others 2.48 (1.13; 5.36) 1.19 (0.51; 2.79) 1.12 (0.48; 2.64)
Type of school
Public 2.59 (2.15; 3.12)
Private 1.32 (0.91; 1.89) 0.50 (0.33; 0.76) 0.52 (0.34; 0.78)
Maternal Education
Elementary school or less 4.22 (3.27; 5.42)
Complete high school 1.41 (0.96; 2.06) 0.32 (0.20; 0.52) 0.33 (0.21; 0.53)
Complete higher education 1.78 (1.25; 2.54) 0.41 (0.26; 0.64) 0.45 (0.27; 0.75)
Region of residence
North 1.02 (0.64; 1.63)
Northeast 0.46 (0.15; 1.38) 0.45 (0.14; 1.50) 0.45 (0.13; 1.49)
Southeast 4.15 (3.34; 5.15) 4.20 (2.48;7.11) 4.33 (2.55; 7.36)
South 2.35 (1.86; 2.96) 2.34 (1.37; 3.98) 2.33 (1.37; 3.96)
Midwest 2.07 (1.12; 3.79) 2.05 (0.94; 4.49) 2.12 (0.97; 4.62)
Social restriction
Not very strict 4.84 (3.82; 6.10)
Very strict 1.44 (0.10; 1.87) 0.29 (0.20; 0.41) 0.30 (0.20; 0.43)
Close friends
None 1.83 (1.05; 3.18)
1 friend 2.63 (1.65; 4.16) 1.45 (0.69; 3.02) 1.49 (0.71; 3.09)
2 friends 2.59 (1.81; 3.70) 1.42 (0.73; 2.79) 1.49 (0.76; 2.92)
3 or more friends 2.36 (1.85; 3.00) 1.30 (0.70; 2.40) 1.38 (0.74; 2.57)
Sleeping
Did not affect 1.96 (1.40; 2.57)
Started to have sleeping problems 2.66 (1.84; 3.83) 1.37 (0.86; 2.19) 1.43 (0.89; 2.31)
Continued to have sleeping problems 1.30 (0.73; 2.28) 0.66 (0.35; 1.24) 0.67 (0.36; 1.27)
Sleeping problems got worse 4.33 (3.10; 6.03) 2.27 (1.45; 3.55) 2.37 (1.49; 3.76)
Reduced sleeping problems 4.54 (2.01; 9.95) 2.38 (0.98; 5.79) 2.40 (0.99; 5.86)
Feeling sad/depressed
Never/rarely 1.79 (1.26; 2.54)
Sometimes 2.52 (1.85; 3.42) 1.42 (0.88; 2.29) 1.53 (0.92; 2.56)
Always 2.94 (2.26; 3.83) 1.67 (1.06; 2.61) 1.91 (1.15; 3.17)
Feeling irritated
Never/rarely 2.26 (0.49; 3.40)
Sometimes 2.46 (1.78; 3.39) 1.09 (0.64; 1.87) 1.15 (0.66; 1.98)
Always 2.45 (1.93; 3.11) 1.09 (0.67; 1.77) 1.18 (0.69; 2.01)
Feeling isolated
Never/rarely 1.82 (1.32; 2.51)
Sometimes 2.85 (2.08; 3.90) 1.58 (1.00; 2.51) 1.71 (1.05; 2.80)
Always 2.74 (2.08; 3.61) 1.52 (0.98; 2.34) 1.65 (1.04; 2.62)
Passive smoking
No 1.42 (1.12; 1.79)
Yes 6.40 (4.96; 8.22) 4.76 (3.32; 6.82) 4.68 (3.26; 6.71)
Consumption of alcoholic beverages during the pandemic
No 0.83 (0.60; 1.14)
Yes 13.30 (10.90; 16.12) 18.33 (12.4; 27.14) 19.90 (13.10; 30.20)
Sedentary behavior
Maintained 2.23 (1.79; 2.78)
Increased 2.91 (2.15; 3.93) 1.31 (0.90; 1.93) 1.31 (0.89; 1.92)
Reduced 2.02 (0.75; 5.36) 0.91 (0.32; 2.55) 0.89 (0.32; 2.49)
Physical practice
Maintained 2.36 (1.92; 2.91)
Reduced 2.82 (1.99; 3.99) 1.20 (0.79; 1.82) 1.16 (0.76; 1.76)
Increased 0.96 (0.4; 2.28) 0.40 (0.16; 0.99) 0.40 (0.16; 0.98)

* Adjusted for sex, age group, and school type.