Table 3

Estimated ORs of the determinants of obesity derived from the generalised estimating equation model

	OR	95% CI	P value
Eating speed
Fast	Reference
Normal	0.71	0.68 to 0.75	<0.001
Slow	0.58	0.54 to 0.63	<0.001
Eating dinner within 2 hours before sleeping ≥3 times per week
Yes	Reference
No	0.90	0.86 to 0.94	<0.001
Snacking after dinner ≥3 times per week
Yes	Reference
No	0.85	0.80 to 0.90	<0.001
Skipping breakfast ≥3 times per week
Yes	Reference
No	0.92	0.87 to 0.97	0.004
Alcohol consumption
Every day	Reference
Occasionally	1.18	1.12 to 1.25	<0.001
Rarely or never	1.22	1.16 to 1.29	<0.001
Inadequate sleep
Yes	Reference
No	0.94	0.90 to 0.98	0.007
Habitual smoker
Yes	Reference
No	1.10	1.05 to 1.15	<0.001
Use of antidiabetic medication
No	Reference
Yes	1.02	0.98 to 1.07	0.293
Age	1.00	1.00 to 1.00	0.076
Female	0.66	0.63 to 0.69	<0.001
Obesity status in the previous check-up
Not obese	Reference
Obese	164.79	156.15 to 173.91	<0.001