Table 1.

Sociodemographic characteristics, self-rated oral health, OHRQoL (measured by the OHIP-5), and dental anxiety (measured by the DAS) according to caries severity: moderate caries (2–3 lesions), high caries (4–6 lesions), very high caries (≥7 lesions), and for the total sample.

Variables n (%)	Moderate caries (n  =  54)	High caries (n = 46)	Very high caries (n = 35)	p value	Total (n = 135)
Female	26 (48.1)	20 (43.5)	18 (51.4)	0.829	64 (47.4)
Smoker	13 (24.1)	19 (41.3)	15 (42.9)	0.052	47 (34.8)
Nordic-born	44 (81.5)	37 (80.4)	22 (62.9)	0.058	103 (76.3)
Mother Nordic-born	34 (63.0)	23 (50.0)	16 (45.7)	0.096	73 (54.1)
Father Nordic-born	34 (63.0)	24 (52.2)	14 (40.0)	0.034	72 (53.3)
Employed/student	42 (77.8)	39 (84.8)	23 (65.7)	0.266	104 (77.0)
Mother’s education
Primary school	12 (22.2)	14 (30.4)	11 (31.4)	0.108	37 (27.4)
Secondary school	23 (42.6)	27 (58.7)	16 (45.7)		66 (48.9)
University studies	19 (35.2)	5 (10.9)	8 (22.9)		32 (23.7)
Father’s education
Primary school	13 (24.1)	15 (32.6)	12 (34.3)	0.664	40 (29.6)
Secondary school	32 (59.3)	20 (43.5)	16 (45.7)		68 (50.4)
University studies	9 (16.7)	11 (23.9)	7 (20.0)		27 (20.0)
Self-rated oral health
Poor	12 (22.2)	19 (41.3)	21 (60.0)	0.001	52 (38.5)
Fair	30 (55.6)	22 (47.8)	10 (28.6)		62 (45.9)
Good	12 (22.2)	5 (10.9)	4 (11.4)		21 (15.6)
Very good	0 (0.0)	0 (0.0)	0 (0.0)		0 (0.0)
OHIP-5, mean (SD)	4.5 (3.3)	5.6 (3.2)	5.9 (3.1)	0.057	5.2 (3.3)
Poor OHRQoLa	33 (61.1)	37 (80.4)	29 (82.9)	0.016	99 (73.3)
DAS, mean (SD)	7.7 (4.0)	7.8 (3.7)	9.8 (4.6)	0.049	8.3 (4.1)

The Chi-square test was applied to categorical variables.

The Kruskal-Wallis test was used for continuous variables.

The Mann-Whitney test was applied for post-hoc analysis of continuous variables.

^aOHIP-5 dichotomized.