Childhood obesity and dental caries: an ecological investigation of the shape and moderators of the association

BMC Oral Health

Table 4 Marginal effects for different values of modifiers

	Prevalence of dental caries (% d₃mft > 0)		Mean dmft score (Decayed, missing, filled teeth)
	Marginal effects (95% CI)	p values	Marginal effects (95% CI)	p values
Deprivation^a
1st percentile	0.83* (0.02, 1.65)	0.046	N/A	N/A
25th percentile	0.52 (− 0.18, 1.21)	0.147	N/A	N/A
50th percentile (Median)	0.23 (− 0.44, 0.91)	0.502	N/A	N/A
75th percentile	− 0.16 (− 0.94, 0.62)	0.686	N/A	N/A
White ethnicity
1st percentile	− 2.79 *** (− 4.2, − 1.37)	p < 0.001	− 0.11 ** (− 0.17, − 0.05)	0.001
25th percentile	0.3* (− 0.36, 0.95)	0.370	0.02 (− 0.01, 0.05)	0.224
50th percentile (Median)	0.87* (0.17, 1.56)	0.014	0.04 ** (0.01, 0.07)	0.008
75th percentile	1.14** (0.4, 1.88)	0.003	0.05 ** (0.02, 0.09)	0.001
Lone parenthood
1st percentile	0.81* (− 0.05, 1.67)	0.066	0.03 (− 0.01, 0.07)	0.120
25th percentile	0.45 (− 0.3, 1.2)	0.239	0.02 (− 0.01, 0.05)	0.261
50th percentile (Median)	0.06 (− 0.65, 0.78)	0.868	0.01 (− 0.03, 0.04)	0.670
75th percentile	− 0.36 (− 1.15, 0.43)	0.368	− 0.01 (− 0.04, 0.03)	0.722

N/A not applicable due to non-significant interaction terms
95% confidence intervals in brackets (*p < 0.05; **p < 0.01; ***p < 0.001)
^aThere was no interaction between deprivation and mean dmft scores, therefore corresponding marginal effects have not been reported

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