Unemployment and expenditure on health and education as mediators of the association between toothbrushing and global income inequalities

Table 3 The association between the percentage of schoolchildren brushing-at-least-twice-daily, GC, unemployment rate, EH&E, net primary enrollment, lower secondary completion rate, literacy rate and gross national income per capita

Variables	β	B (95%CI)	p value
Gini coefficient	0.43	0.90 (0.40, 1.41)	0.001
Unemployment rate	-0.41	-1.33 (-2.14, -0.51)	0.002
EH&E	0.30	1.96 (0.17, 3.76)	0.03
Net primary enrollment (%)	-0.09	-0.24 (-0.98, 0.49)	0.51
Lower secondary completion rate (%)	-0.11	-0.09 (-0.33, 0.16)	0.48
Literacy rate (% of population aged 15 to 24)	0.09	0.14 (-0.36, 0.64)	0.57
Gross national income per capita	-0.04	-0.00005 (-0.0004, 0.0003)	0.79

β Standardized coefficient, B Unstandardized coefficient, CI Confidence interval
Net primary enrollment, lower secondary completion rate, literacy rate are three indicators describing the literacy and education level at country level. They were extracted from the Sustainable Development Report 2021
Gross national income per capita is an indicator of country level economic level in 2021and was extracted from the World Bank Databank (https://datacatalog.worldbank.org/search/dataset/0038128/GNI-per-capita-ranking--Atlas-method-and-PPP-based)

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