Oral health and the impact of socio-behavioural factors in a cross sectional survey of 12-year old school children in Laos

Table 2 Mean caries indices and proportion of teeth with gingival bleeding among 12 year olds in relation to socio-demographic factors (SEM or CI95 in brackets)

	n	dDt	mMt	fFt	DMFT	dmft-DMFT	Proportion of teeth with gingival bleeding
Total (SEM) (CI95)	621	1.8 (0.08)	0.2 (0.03)	0.2 (0.03)	1.8 (0.09)	2.2 (0.10)	46.9 (44.8-48.9)
Gender
Boys	293	1.6	0.3	0.1	1.5	2.0	50.1**
Girls	328	1.9	0.2	0.2	2.0**	2.3	44.0
Urban location
Urban	297	1.6	0.3	0.2**	1.6	2.1	41.7
Semi-urban	324	2.0**	0.2	0.1	1.9	2.3	51.6***
Mothers literacy
Illiterate	143	1.8	0.2	0.0	1.6	2.0	48.5
Literate	469	1.8	0.3	0.2**	1.8	2.2	46.0
Economic background
Very low	115	1.5	0.2	0.0	1.2	1.7	52.1***
Low	117	1.8	0.3	0.0	1.6	2.2	49.2
Medium	130	2.0	0.2	0.1	1.9	2.2	48.0
High	136	2.1	0.3	0.2	2.2*	2.6*	47.0
Very high	123	1.5	0.3	0.4***	1.8	2.2	38.3

ISSN: 1472-6831