Table 1.
Prevalence of past-year weekly/daily substance use during the COVID-19 pandemic according to selected characteristics of participants, Nicotine Dependence in Teens study, Montreal, Canada 2020-2021
| Unweighted sample |
Weighted sample |
|||||||
|---|---|---|---|---|---|---|---|---|
| Weekly/daily use in the past year % (95% CI)* | ||||||||
| n† | % | %* | Cannabis | Alcohol | Binge drinking | Combustible cigarettes | E-cigarettes | |
| Total | 704 | 100 | - | 23.1 (21.1; 25.1) | 44.2 (41.9; 46.5) | 7.9 (6.7; 9.3) | 11.9 (10.5; 13.5) | 5.4 (4.4, 6.5) |
| Sex | ||||||||
| Male | 294 | 41.8 | 39.8 | 27.7 (24.5; 31.1) | 51.9 (48.2; 55.6) | 13.5 (11.2; 16.3) | 12.5 (10.3; 15.2) | 6.3 (4.7; 8.4) |
| Female | 410 | 58.2 | 60.2 | 20.0 (17.7; 22.5) | 39.1 (36.2; 42.1) | 4.2 (3.2; 5.6) | 11.6 (9.8; 13.6) | 4.8 (3.7; 6.3) |
| Ethnicity | ||||||||
| European ancestry | 518 | 77.7 | 75.4 | 25.4 (23.1; 27.9) | 47.3 (44.5; 50.1) | 9.9 (8.4; 11.7) | 11.6 (9.9; 13.5) | 2.4 (1.3; 4.4) |
| Other ancestry | 149 | 22.3 | 24.6 | 17.4 (14.0; 21.3) | 34.3 (29.9; 39.1) | 3.8 (2.3; 6.1) | 11.1 (8.4; 14.5) | 5.1 (4.0; 6.4) |
| Born in Canada | ||||||||
| No | 39 | 5.5 | 6 | 6.6 (3.1; 13.2) | 25.8 (18.3; 35.0) | 4.7 (1.9; 10.8) | 2.9 (0.9; 8.5) | 0.0 (0.0; 1.0) |
| Yes | 665 | 95.5 | 94 | 24.1 (22.1; 26.2) | 45.4 (43.0; 47.8) | 8.1 (6.9; 9.6) | 12.5 (11.0; 14.2) | 5.8 (4.7; 7.0) |
| Lives in Canada | ||||||||
| No | 29 | 4.1 | 3.4 | 3.1 (0.7; 12.3) | 33.4 (22.6; 46.2) | 10.9 (5.1; 21.7) | 0.0 (0.0, 1.0) | 3.1 (0.7; 12.3) |
| Yes | 674 | 95.9 | 96.6 | 23.8 (21.8; 25.9) | 44.5 (42.2; 46.9) | 7.8 (6.6; 9.2) | 12.4 (10.9; 14.0) | 5.5 (4.5; 6.7) |
| Lives in urban/suburban setting | ||||||||
| No | 120 | 17.1 | 17.7 | 17.3 (13.4; 21.9) | 43.8 (38.3; 49.4) | 11.0 (7.9; 15.0) | 10.4 (7.4; 14.3) | 6.2 (4.0; 9.6) |
| Yes | 581 | 82.9 | 82.3 | 24.0 (21.9; 26.3) | 44.0 (41.4; 46.5) | 7.3 (6.1; 8.8) | 12.4 (10.8; 14.2) | 5.4 (4.2; 6.6) |
| Lives alone | ||||||||
| No | 595 | 84.5 | 83.1 | 21.1 (19.1; 23.3) | 42.6 (40.1; 45.2) | 7.6 (6.4; 9.1) | 9.7 (8.3; 11.4) | 4.2 (3.3; 5.4) |
| Yes | 109 | 15.5 | 16.9 | 32.7 (27.6; 38.3) | 52.1 (46.4; 57.7) | 9.3 (6.5; 13.2) | 22.8 (18.4; 28.0) | 11.2 (8.0; 15.3) |
| Lives with children | ||||||||
| No | 396 | 56.2 | 56.1 | 26.7 (24.1; 29.6) | 49.2 (46.1; 52.4) | 9.7 (8.0; 11.8) | 12.2 (10.3; 14.4) | 5.7 (4.4; 7.3) |
| Yes, as single parent | 25 | 3.6 | 3.2 | 44.6 (32.2; 57.6) | 40.3 (28.4; 53.5) | 12.9 (6.3; 24.4) | 47.0 (34.5; 60.0) | 4.8 (1.5; 14.6) |
| Yes, with another parent | 283 | 40.2 | 40.6 | 16.3 (13.7; 19.2) | 37.6 (34.1; 41.2) | 5.0 (3.6; 6.9) | 8.8 (6.9; 11.1) | 5.1 (3.7; 7.0) |
| Number of children at home | ||||||||
| None | 383 | 56.5 | 56.4 | 26.9 (24.2; 29.8) | 49.3 (46.2; 52.4) | 9.7 (8.0; 11.7) | 12.2 (10.3; 14.4) | 5.6 (4.4; 7.3) |
| ≥ 1 child age ≤ 5 years | 266 | 38.6 | 39.1 | 14.9 (12.4; 17.8) | 37.3 (33.8; 41.0) | 5.2 (3.7; 7.1) | 7.9 (6.1; 10.2) | 4.8 (3.5; 6.7) |
| Children all age > 5 years | 33 | 4.8 | 4.5 | 45.6 (35.0; 56.7) | 39.8 (29.7; 51.0) | 9.7 (4.8; 18.4) | 44.1 (33.6; 55.2) | 7.5 (3.4; 15.8) |
| Highest education | ||||||||
| More than high school | 660 | 96.9 | 96.5 | 22.0 (20.1; 24.1) | 44.0 (41.6; 46.4) | 7.9 (6.7; 9.3) | 11.3 (9.9; 13.0) | 5.4 (4.4; 6.6) |
| High school | 21 | 3.1 | 3.4 | 61.4 (48.5; 72.9) | 42.2 (30.3; 55.1) | 15.2 (8.1; 26.8) | 39.2 (27.6; 52.1) | 6.4 (2.4; 16.3) |
| Unemployed | ||||||||
| No | 567 | 83.1 | 83.1 | 23.0 (20.9; 25.2) | 47.6 (45.1; 50.2) | 8.1 (6.8; 9.7) | 11.3 (9.8; 13.1) | 4.7 (3.7; 5.9) |
| Yes | 115 | 6.9 | 6.9 | 23.3 (18.8; 28.5) | 26.9 (22.2; 32.3) | 6.9 (4.5; 10.4) | 14.9 (11.3; 19.5) | 9.1 (6.3; 13.0) |
| Household income | ||||||||
| < CAN$50,000 | 149 | 21.2 | 22.8 | 35.3 (30.8; 40.1) | 32.8 (28.4; 37.6) | 7.5 (5.3; 10.6) | 28.3 (24.1; 32.9) | 8.1 (5.8; 11.2) |
| ≥ CAN$50,000 | 554 | 78.8 | 77.2 | 19.5 (17.4; 21.7) | 47.6 (45.0; 50.3) | 8.0 (6.7; 9.6) | 7.1 (5.9; 8.6) | 4.6 (3.6; 5.9) |
| Work-at-home status during COVID-19 | ||||||||
| Unemployed/works at home | 332 | 47.4 | 47.7 | 23.1 (20.4; 26.1) | 39.2 (35.9; 42.6) | 7.4 (5.8; 9.4) | 9.9 (8.0; 11.1) | 6.6 (5.1; 8.5) |
| Works outside home/mixed | 363 | 52.6 | 52.3 | 22.3 (19.7; 25.1) | 49.1 (45.9; 52.4) | 8.2 (6.5; 10.1) | 12.7 (10.7; 15.1) | 4.5 (3.3; 6.1) |
| Mental health diagnosis | ||||||||
| No | 533 | 75.7 | 76.0 | 20.7 (18.6; 22.9) | 46.2 (43.6; 48.8) | 7.2 (5.9; 8.6) | 10.0 (8.5; 11.6) | 5.3 (4.2; 6.6) |
| Yes | 171 | 24.3 | 24.0 | 32.5 (28.3; 37.0) | 40.1 (35.7; 44.7) | 9.6 (7.2; 12.8) | 16.5 (13.4; 20.3) | 5.9 (4.0; 8.5) |
⁎
Prevalence and 95% CI are weighted for non-response.
†
Cell specific frequencies do not add up to the total sample size due to missing values.