Table 3 Association between the presence of caries in permanent dentition and individual and familial factors in regression analysis

Male versus female

1.01 (0.53, 1.92)

1.15 (0.64, 2.06)

1.01 (0.53, 1.91)

Age

1.14 (1.01, 1.29)^a

1.23 (1.10, 1.39)^a

1.18 (1.04, 1.34)^a

Perception of oral health

1.01 (0.97, 1.05)

–

1.00 (0.96, 1.04)

Twice or more daily tooth brushing a day versus tooth-brushing less than twice daily

0.93 (0.32, 2.70)

–

0.84 (0.29, 2.45)

Always using fluoridated toothpaste versus not always using fluoridated toothpaste

0.91 (0.27, 3.09)

–

0.87 (0.25, 3.00)

Frequent versus non-frequent consumption of refined carbohydrates in-between-meals

1.20 (0.60, 2.40)

–

1.25 (0.62, 2.53)

Daily use of dental floss versus non-daily use of dental floss

0.72 (0.32, 1.62)

–

0.71 (0.31, 1.63)

Plaque index

0.91 (0.51, 1.61)

–

0.92 (0.52, 1.65)

First/only child versus second or more birth rank

–

1.30 (0.71, 2.40)

1.23 (0.63, 2.41)

Less than 6 versus 6 or more family size

–

1.26 (0.60, 2.67)

1.48 (0.59, 3.69)

Living with both parents versus not living with both parents

–

0.70 (0.32, 1.53)

0.42 (0.14, 1.24)

High versus low socioeconomic status

–

0.49 (0.24, 1.02)

0.40 (0.17, 0.91)^a

Middle versus low socioeconomic status

–

0.74 (0.38, 1.45)

0.57 (0.27, 1.23)

LL

347.47

420.88

339.29