Prevalence and Associated Factors of Dental Caries in Primary Schoolchildren: An Iranian Setting

Table 2

Prevalence of caries according to sociodemographic variables and dentition type among children (n = 460).

Variable	Children (n)	Primary teeth		Permanent teeth
		Caries, n (%)	value	Caries, n (%)	value
Age (year)			<0.001		<0.001
7–8	133	126 (94.7)		35 26.3
9–10	179	151 (84.4)		70 (39.1)
11–12	148	69 (46.6)		84 (56.8)
Total	460	346 (75.2)		189 (41.1)
Sex			0.42		0.04
Girl	215	158 (73.5)		99 (46)
Boy	245	188 (76.7)		90 (36.7)
Residence area			0.79		<0.001
Rural	154	229 (74.8)		86 (55.89)
Urban	306	117 (76)		103 (33.7)
Father’s occupation			0.13		0.028
Employee	189	149 (78.8)		66 (34.9)
Not employee	270	196 (72.6)		122 (45.2)
Father’s education			0.74		0.05
Under complete high school	82	61 (74.4)		42 (51.2)
Complete high school	140	100 (71.4)		64 (45.7)
University	197	148 (75.1)		72 (36.5)
Mother’s occupation			0.84		0.34
Housewife	398	300 (75.4)		167 (42)
Not housewife	62	46 (74.2)		22 (35.5)
Mother’s education			0.72		0.54
Under complete high school	134	102 (76.1)		60 (44.8)
Complete high school	194	140 (72.2)		85 (43.8)
University	90	67 (74.4)		34 (37.8)

Pearson χ² test.