Journal of Activity, Sedentary and Sleep Behaviors

Table 6 Coefficients and odds ratios (OR) of having minimum of good quality of sleep

From: Meeting the WHO 24-h guidelines among 2–6-year-old children by family socioeconomic status before and during the COVID-19 pandemic: a repeated cross-sectional study

	2019			2020			2021
	Estimate	OR	95% CI	Estimate	OR	95% CI	Estimate	OR	95% CI
Household income level (€/year)
1) Less than 20,000
Weekday	− 0.145	0.865	0.527–1.421	− 0.176	0.839	0.577–1.219	− 0.408*	0.665	0.463–0.957
Weekend	− 0.314	0.730	0.417–1.280	− 0.115	0.891	0.581–1.368	− 0.204	0.816	0.530–1.254
2) 20,000–39,999
Weekday	− 0.193	0.825	0.555–1.225	− 0.191	0.826	0.616–1.108	− 0.181	0.834	0.630–1.104
Weekend	0.062	1.064	0.656–1.728	0.076	1.079	0.757–1.539	− 0.145	0.865	0.626–1.194
4) 70,000–99,999
Weekday	0.059	1.061	0.747–1.508	0.091	1.095	0.861–1.392	− 0.038	0.962	0.762–1.215
Weekend	0.162	1.176	0.766–1.806	0.175	1.191	0.903–1.571	0.056	1.058	0.811–1.379
5) 100,000 or more
Weekday	0.165	1.179	0.749–1.857	0.238	1.268	0.937–1.716	0.092	1.096	0.832–1.443
Weekend	0.481	1.618	0.904–2.896	0.483*	1.621	1.138–2.310	0.169	1.184	0.862–1.626
Parental education level
2) No formal /Primary/Secondary
Weekday	0.025	1.025	0.601–1.750	0.228	1.256	0.821–1.921	− 0.013	0.987	0.684–1.424
Weekend	0.320	1.378	0.717–2.648	− 0.013	0.987	0.606–1.607	0.066	1.068	0.691–1.651
3) Vocational
Weekday	0.165	1.179	0.820–1.697	0.101	1.106	0.847–1.445	0.062	1.064	0.827–1.370
Weekend	0.320	1.377	0.887–2.137	0.038	1.039	0.757–1.426	0.135	1.145	0.854–1.534
5) Master’s degree or higher
Weekday	− 0.149	0.862	0.620–1.198	− 0.296*	0.744	0.596–0.929	0.061	1.063	0.858–1.318
Weekend	− 0.051	0.950	0.639–1.413	− 0.427*	0.653	0.506–0.842	− 0.048	0.953	0.745–1.218

Reference categories: Child’s gender: boy; Household income level: 3) 40,000–69,999 (€/year); Parental education level: 4) Bachelor’s degree. *p-value < 0.05, **p-value < 0.001

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