Table 1:
Sample characteristics (weighted), by country and survey wave
| ENGLAND | CANADA | US | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Survey wave (unweighted n) |
2017 n=3914 |
2018 n=3812 |
2019 n=3392 |
2017 n=3967 |
2018 n=3762 |
2019 n=4056 |
2017 n=4007 |
2018 n=3971 |
2019 n=3871 |
| Age | 17.5 (1.02) | 17.6 (1.03) | 17.5 (0.95) | 17.6 (1.05) | 17.5 (1.08) | 17.5 (1.09) | 17.5 (1.08) | 17.5 (1.06) | 17.5 (1.08) |
| Male | 51.1 (1999) | 51.0 (1944) | 51.0 (1732) | 51.0 (2021) | 51.2 (1928) | 50.9 (2063) | 51.1 (2049) | 51.0 (2024) | 50.9 (1977) |
| White (only) race/ethnicitya | 79.7 (3115) | 77.3 (2944) | 76.3 (2589) | 58.6 (2320) | 47.4 (1785) | 54.5 (2207) | 73.5 (2947) | 73.7 (2926) | 74.1 (2878) |
| Current student | 91.8 (3588) | 91.7 (3496) | 91.8 (3116) | 93.1 (3689) | 93.2 (3510) | 93.0 (3768) | 91.2 (3660) | 91.1 (3619) | 91.3 (3548) |
| Past 12-month alcohol use (any)b | 76.2 (2923) | 74.9 (2794) | 72.9 (2420) | 61.7 (2378) | 58.2 (2134) | 55.2 (2165) | 41.4 (1629) | 38.5 (1499) | 39.4 (1495) |
Data are %(n) or mean (SD). Missing values for alcohol use (England: n2017=75, n2018=66, n2019=86; Canada: n2017=154, n2018=101, n2019=134; US: n2017=84, n2018=84, n2018=122) are excluded (removed from the denominator).
a
Wording of the Canadian source question changed slightly, from response option “White” in 2017 to “European” in 2018, to “White or European” in 2019.
b
Assessed using the question, “In the last 12 months, how often did you have a drink of alcohol that was more than just a sip?”