Univariate and multivariate analyses between predictors and Eating Habit Index (EHI)
| EHI≥33 (75th percentile) N=423 | P value | AdjOR (95% CI) | P value | |
| Univariate analysis | Multivariate analysis | |||
| Age, mean±SD, (years) | 16.0±1.5 versus 15.8±1.6 | 0.0007 | 1.11 (1.03 to 1.22) | 0.008 |
| Gender n (%) | ||||
| Male | 253 (29.9) | <0.0001 | Ref | |
| Female | 164 (20.9) | 1.33 (1.06 to 1.69) | 0.015 | |
| Not declared | 6 (11.1) | – | – | |
| BMI | ||||
| Underweight | 73 (21.3) | ns | ||
| Normal weight | 298 (26.3) | |||
| Overweight | 52 (24.9) | |||
| Pre-pandemic meals management | ||||
| Mother/other | 375 (24.2) | 0.005 | Ref | |
| Self-prepared | 48 (35.0) | 1.49 (0.97 to 2.27) | ns | |
| Meals management during the pandemic | ||||
| Mother/other | 333 (25.1) | ns | ||
| Self-prepared | 90 (30.1) | |||
| Change in meal planning compared with pre-pandemic period | ||||
| No | 246 (23.1) | <0.0001 | Ref | |
| Yes, I eat more regularly | 58 (42.0) | 1.50 (1.00 to 2.26) | 0.05 | |
| Yes, I sometimes skip meals or eat out of meals | 119 (24.6) | 1.03 (0.76 to 1.40) | ns | |
| Change in food intake compared with pre-pandemic period | ||||
| I eat as before | 136 (23.9) | <0.0001 | Ref | |
| I eat more | 84 (19.3) | 0.76 (0.53 to 1.10) | ns | |
| I eat less | 136 (34.9) | 1.04 (0.73 to 1.50) | ns | |
| I don’t know | 67 (23.0) | 0.81 (0.56 to 1.19) | ns | |
| My weight is the same | 154 (24.3) | <0.0001 | Ref | |
| My weight has increased | 91 (19.7) | 0.90 (0.6 to 1.27) | ns | |
| My weight has decreased | 131 (36.1) | 1.13 (0.79 to 1.63) | ns | |
| I don’t know/I prefer not to answer | 47 (20.5) | 0.83 (0.55 to 1.26) | ns | |
| Ultraprocessed food consumption in the pre-pandemic period | ||||
| High | 142 (18.4) | <0.0001 | Ref | |
| Moderate | 129 (26.7) | 1.46 (1.09 to 1.96) | 0.01 | |
| Low | 152 (35.1) | 2.20 (1.63 to 2.94) | <0.0001 | |
| Ultraprocessed food consumption during pandemic period* | ||||
| High | 128 (15.8) | <0.0001 | ||
| Moderate | 117 (27.2) | |||
| Low | 178 (40.0) | |||
| Change in alcohol consumption compared with pre-pandemic period | ||||
| Wine | ||||
| I don’t drink it | 248 (26.1) | ns | ||
| I drink as before | 89 (22.3) | |||
| I drink more | 64 (23.0) | |||
| I drink less | 22 (36.7) | |||
| Beer | ||||
| I don’t drink it | 260 (27.5) | 0.001 | Ref | |
| I drink as before | 73 (19.0) | 0.71 (0.49 to 1.03) | ns | |
| I drink more | 70 (23.0) | 0.89 (0.60 to 1.32) | ns | |
| I drink less | 20 (37.7) | 1.08 (0.54 to 2.16) | ns | |
| Spirits | ||||
| I don’t drink it | 245 (26.8) | 0.005 | Ref | |
| I drink as before | 72 (19.8) | 1.21 (0.71 to 2.09) | ns | |
| I drink more | 76 (23.5) | 0.74 (0.53 to 1.03) | ns | |
| I drink less | 30 (36.6) | 0.59 (0.42 to 0.82) | 0.002 | |
| Alcohol combined | ||||
| I don’t drink it anything | 189 (26.2) | ns | ||
| I drink more wine and beer and spirits | 22 (17.6) | |||
| I drink less/as before wine or beer or spirits | 212 (25.2) | |||
| Cooking skills | ||||
| Moderate/low | 127 (35.1) | <0.0001 | Ref | |
| High | 296 (22.4) | 1.47 (1.11 to 1.95) | 0.008 | |
| Physical activity | ||||
| Inactive | 278 (23.2) | 0.004 | Ref | |
| Active | 145 (29.9) | 1.27 (0.97 to 1.66) | ns | |
| Pre-pandemic smoking habits | ||||
| No smoker | 365 (25.1) | ns | ||
| Smoker | 58 (25.1) | |||
| Smoking habits during the pandemic | ||||
| No smoker | 358 (25.6) | ns | ||
| Smoker | 65 (22.8) | |||
| Nutrition knowledge | ||||
| Poor | 176 (31.9) | <0.0001 | Ref | |
| Good† | 247 (21.8) | 1.49 (1.15 to 1.92) | 0.002 | |
| Sleep duration | ||||
| <8 hours | 257 (24.3) | ns | ||
| ≥8 hours | 166 (26.4) | |||
| Perceived quality of sleep compared with pre-pandemic | ||||
| Improved | 70 (24.1) | ns | ||
| Deteriorated | 141 (29.0) | |||
| Unchanged | 212 (23.3) | |||
| Smartphone addiction | ||||
| Addicted | 160 (20.7) | <0.0001 | Ref | |
| Not addicted | 263 (28.9) | 1.33 (1.03 to 1.71) | 0.03 | |
| Psychological distress | ||||
| No | 184 (22.0) | 0.003 | Ref | |
| Possible presence | 239 (28.2) | 1.32 (1.02 to 1.72) | 0.04 | |
*This variable was excluded from logistic model because of collinearity.
†At laest 4 out of 6 correct answers.
‡At least one parent with a university degree.