Table 4.
High school students (%) | Undergraduate students (%) | Graduate students (%) | All (%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Variables | Male (n 678) | Female (n 2146) | Total (n 2824) | Male (n 2106) | Female (n 4918) | Total (n 7024) | Male (n 68) | Female (n 166) | Total (n 234) | Grand total (n 10 082) |
All types of drinks | ||||||||||
Frequency of consumption (days/week) | ||||||||||
Pre-lockdown | ||||||||||
None | 60·3a,b | 71·9a,b | 69·1a | 54·9a,b | 63·9a,b | 61·2a | 63·2a | 74·1a | 70·9a | 63·6 |
1–3 | 34·2a,b | 24·7a,b | 27·0a | 37·9a,b | 31·7a,b | 33·6a | 26·5a | 19·9a | 21·8a | 31·5 |
4–6 | 2·4a,b | 1·6a,b | 1·8a | 3·4a,b | 2·0a,b | 2·4a | 4·4a | 1·8a | 2·6a | 2·2 |
7 | 3·1a,b | 1·8a,b | 2·1a | 3·8a,b | 2·4a,b | 2·8a | 5·9a | 4·2a | 4·7a | 2·7 |
Post-lockdown | ||||||||||
None | 63·8b | 76·8a,b,*** | 73·7a,*** | 62·6b,*** | 70·7a,b,*** | 68·3a,*** | 66·2 | 75·9a | 73·1a | 69·9*** |
1–3 | 30·7b | 20·1a,b,*** | 22·7a,*** | 30·0b,*** | 25·0a,b,*** | 26·5a,*** | 25·0 | 19·3a | 20·9a | 25·3*** |
4–6 | 2·8b | 1·7a,b,*** | 1·9a,*** | 3·6b,*** | 2·2a,b,*** | 2·6a,*** | 5·9 | 1·2a | 2·6a | 2·4*** |
7 | 2·7b | 1·4a,b,*** | 1·7a,*** | 3·8b,*** | 2·1a,b,*** | 2·6a,*** | 2·9 | 3·6a | 3·4a | 2·4*** |
Averaged frequency of consumption (days/week) | ||||||||||
Pre-lockdown | ||||||||||
Mean | 1·0 | 0·7 | 0·8 | 1·2 | 0·9 | 1·0 | 1·2 | 0·8 | 0·9 | 0·9 |
sd | 1·6a,b | 1·3a,b | 1·4a | 1·7a,b | 1·5a,b | 1·5a | 1·9a,b | 1·6a,b | 1·7a | 1·5 |
Post-lockdown | ||||||||||
Mean | 0·9 | 0·6 | 0·7 | 1·0 | 0·8 | 0·8 | 1.0 | 0·7 | 0·8 | 0·9 |
sd | 1·5b | 1·3a,b,*** | 1·3a,*** | 1·7b,*** | 1·4a,b,*** | 1·5a,*** | 1.7b,* | 1·5a,b | 1·6a | 1·6*** |
Type of drinks | ||||||||||
Sugar-sweetened beverages | ||||||||||
Pre-lockdown | 67·7b | 76·3a,b | 73·6a | 74·5b | 83·4a,b | 80·3a | 76·0 | 79·1a | 77·9a | 78·7 |
Post-lockdown | 63·4a,b | 73·2a,b | 70·0a | 72·9a,b | 79·4a,b,** | 77·1a,** | 73·9a | 78·0a | 76·6a | 75·3** |
Coffee and caffeinated drinks | ||||||||||
Pre-lockdown | 6·3 | 3·8a | 4·6a | 10·2b | 7·9a,b | 8·7a | 12·0 | 14·0a | 13·2a | 7·8 |
Post-lockdown | 10·6b | 4·0a,b | 6·1a | 10·6 | 8·9a | 9·5a | 8·7 | 17·1a | 14·1a | 8·8 |
Tea | ||||||||||
Pre-lockdown | 20·1b | 12·9b | 15·1 | 20·4b | 11·5b | 14·6 | 28·0 | 9·3 | 16·2 | 14·8 |
Post-lockdown | 19·5 | 14·9 | 16·4 | 22·6b | 13·2b | 16·5 | 30·4b | 9·8b | 17·2 | 16·5 |
Other beverages | ||||||||||
Pre-lockdown | 18·2 | 22·7a | 21·3a | 18·8 | 16·4a | 17·3a | 16·0 | 9·3a | 11·8a | 18·1 |
Post-lockdown | 23·2 | 25·2a | 24·6a | 19·6 | 19·0a | 19·3a | 8·7 | 2·4a | 4·7a | 20·3* |
Individual-level changes in drink consumption | ||||||||||
Sugar-sweetened beverages | ||||||||||
Never | 66·1b | 73·8a,b | 71·9a | 59·9b | 63·5a,b | 62·4a | 66·2 | 70·5a | 69·2a | 65·2 |
Constant | 15·9b | 12·3a,b | 13·2a | 20·8b | 17·0a,b | 18·2a | 19·1 | 10·2a | 12·8a | 16·6 |
Increased | 7·1b | 4·8a,b | 5·4a | 6·5b | 6·4a,b | 6·4a | 5·9 | 9·1a | 8·2a | 6·2 |
Decreased | 10·9b | 9·1a,b | 9·5a | 12·8b | 13·1a,b | 13·0a | 8·8 | 10·2a | 9·8a | 12·0 |
Coffee and caffeinated drink | ||||||||||
Never | 94·5b | 98·5a,b | 97·6a | 93·6b | 95·9a,b | 95·2a | 95·6 | 95·2a | 95·2a | 95·8 |
Constant | 1·0b | 0·6a,b | 0·6a | 2·2b | 1·3a,b | 1·6a | 2·9 | 3·0a | 3·0a | 1·4 |
Increased | 2·9b | 0·4a,b | 1·0a | 1·8b | 1·3a,b | 1·4a | 0 | 1·2a | 0·9a | 1·3 |
Decreased | 1·6b | 0·5a,b | 0·8a | 2·4b | 1·5a,b | 1·8a | 1·5 | 0·6a | 0·9a | 1·5 |
Tea | ||||||||||
Never | 88·8b | 94·8b | 93·4 | 88·0b | 93·8b | 92·1 | 88·2b | 95·8b | 93·6 | 92·5 |
Constant | 3·8b | 2·0b | 2·4 | 5·7b | 1·9b | 3·0 | 8·8b | 0·6b | 3·0 | 2·9 |
Increased | 3·3b | 1·5b | 1·9 | 2·8b | 2·0b | 2·3 | 1·5b | 1·8b | 1·7 | 2·1 |
Decreased | 4·1b | 1·7b | 2·3 | 3·5b | 2·3b | 2·6 | 1·5b | 1·8b | 1·7 | 2·5 |
Other beverages | ||||||||||
Never | 89·2 | 90·8 | 90·4a | 88·7b | 91·2b | 90·5a | 94·1 | 97·0 | 96·1a | 90·6 |
Constant | 4·9 | 3·1 | 3·5a | 4·6b | 2·7b | 3·3a | 3·0 | 0 | 0·9a | 3·3 |
Increased | 3·5 | 2·8 | 3·0a | 2·8b | 2·9b | 2·8a | 0 | 0·6 | 0·4a | 2·8 |
Decreased | 2·4 | 3·3 | 3·1a | 3·9b | 3·2b | 3·4a | 2·9 | 2·4 | 2·6a | 3·3 |
Values under a given variable were marked with the superscript a, if the difference across educational levels (high school students, undergraduate students and graduate students) within the overall population (total) or within a given sex (male, female) was significant (P < 0·05); marked with the superscript b, if the difference between sex within a given educational level was significant (P < 0·05); and marked by asterisks, if the difference before and after lockdown within a given educational level and sex was significant (*P < 0·05, **P < 0·01, ***P < 0·001).