Table 4.
Logistic regression model predicting eating behaviors and physical activities from chronotype (MEQ score a)
| Chronotype | |||||
|---|---|---|---|---|---|
| Morning type Non-Morning type | |||||
| Ref. b | -2LLc | OR d | 95%CI e | P –value f | |
| Total number (n) | 666 | 286 | |||
|
Breakfast skipping (n) ( ≦ 6 days/ week) |
40 | 22 | |||
| Model 1 | 1.00 | 457.661 | 1.304 | 0.760, 2.237 | 0.335 |
| Model 2 | 1.00 | 435.572 | 1.362 | 0.786, 2.361 | 0.270 |
| Model 3 | 1.00 | 418.436 | 1.065 | 0.602, 1.884 | 0.828 |
|
Vegetables consumption (n) ( ≧ 1 times /week) |
492 | 200 | |||
| Model 1 | 1.00 | 1110.627 | 0.810 | 0.596, 1.100 | 0.177 |
| Model 2 | 1.00 | 1106.809 | 0.818 | 0.601, 1.113 | 0.201 |
| Model 3 | 1.00 | 1096.064 | 0.790 | 0.573, 1.088 | 0.148 |
|
Fruit consumption ( ≧ 1 times /week) (n) |
509 | 202 | |||
| Model 1 | 1.00 | 1073.735 | 0.742 | 0.543, 1.102 | 0.060 |
| Model 2 | 1.00 | 1071.053 | 0.747 | 0.546, 1.021 | 0.067 |
| Model 3 | 1.00 | 1063.313 | 0.796 | 0.576, 1.099 | 0.165 |
|
Fast food consumption ( ≧ 1 times /week) (n) |
181 | 110 | |||
| Model 1 | 1.00 | 1160.349 | 1.675 | 1.249, 2.245 | 0.001 |
| Model 2 | 1.00 | 1154.815 | 1.678 | 1.249, 2.253 | 0.001 |
| Model 3 | 1.00 | 1145.429 | 1.616 | 1.191, 2.193 | 0.002 |
|
Milk intake ( ≧ 1 times/day) (n) |
402 | 150 | |||
| Model 1 | 1.00 | 1290.264 | 0.724 | 0.548, 0.958 | 0.024 |
| Model 2 | 1.00 | 1277.879 | 0.708 | 0.534, 0.939 | 0.016 |
| Model 3 | 1.00 | 1268.549 | 0.716 | 0.534, 0.959 | 0.025 |
|
Sugary drinks consumption ( ≧ 1 times /week) (n) |
281 | 142 | |||
| Model 1 | 1.00 | 1303.431 | 1.351 | 1.023, 1.784 | 0.034 |
| Model 2 | 1.00 | 1298.057 | 1.346 | 1.018, 1.781 | 0.037 |
| Model 3 | 1.00 | 1294.861 | 1.314 | 0.985, 1.753 | 0.064 |
| Physical activity | |||||
| Light physical activity 60 min a day (< 2 days/week) (n) | 176 | 100 | |||
| Model 1 | 1.00 | 1139.406 | 1.497 | 1.111, 2.016 | 0.008 |
| Model 2 | 1.00 | 1120.926 | 1.485 | 1.098, 2.008 | 0.010 |
| Model 3* | 1.00 | 1105.710 | 1.344 | 0.983, 1.839 | 0.064 |
| Moderate physical activity 60 min a day (< 2 days/week) (n) | 271 | 145 | |||
| Model 1 | 1.00 | 1296.474 | 1.499 | 1.134, 1.981 | 0.004 |
| Model 2 | 1.00 | 1292.795 | 1.508 | 1.140, 1.996 | 0.004 |
| Model 3* | 1.00 | 1278.460 | 1.356 | 1.015, 1.813 | 0.040 |
| Muscle strengthening activity 60 min a day (< 2 days/week) (n) | 260 | 139 | |||
| Model 1 | 1.00 | 1287.261 | 1.477 | 1.117, 1.952 | 0.006 |
| Model 2 | 1.00 | 1242.800 | 1.492 | 1.120, 1.988 | 0.006 |
| Model 3* | 1.00 | 1231.910 | 1.393 | 1.034, 1.877 | 0.029 |
a MEQ, Morning-Evening Questionnaire
b Ref., Reference; c -2LL, -2 log likelihood; d OR, odds ratio; e CI, confidence interval; P –value f, p value from the logistic regression model
Model 1: unadjusted
Model 2: adjusted for age, sex, parental marital status and parental education level on college
Model 3: model 2 + physical activity, average sleep duration, social Jet Lag and eating Jet Lag
Model 3*: model 2 + milk intake, sugary drinks, fast food consumption, eating Jet Lag, average sleep duration and social Jet Lag
Bold: P values<0.05