Table 2 Associations between coronal ICDAS active caries lesions, root ICDAS active caries lesions and individual factors

Sex

 Female

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 Male

1.02 [0.57–1.82]

0.84 [0.46–1.54]

1.37 [0.76–2.46]

1.33 [0.72–2.46]

Age (years)

  < 65

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

  ≥ 65

0.84 [0.31–2.25]

1.00 [0.37–2.73]

0.79 [0.29–2.14]

0.82 [0.30–2.26]

Reported hyposalivation in the medical health record

 No

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 Yes

0.71 [0.10–4.34]

0.34 [0.05–2.16]

1.11 [0.15–6.77]

0.50 [0.04–3.38]

Caries risk classification

 Low

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 High

1.10 [0.63–1.93]

1.33 [0.63–2.00]

0.73 [0.41–1.30]

0.89 [0.49–1.59]

Number of teeth in the mouth

  ≤ 6

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 7–14

2.38 [1.22–4.61]

2.84 [1.31–6.15]

1.57 [0.81–3.02]

1.25 [0.56–2.77]

  > 14

2.27 [1.20–4.30]

2.78 [1.27–6.09]

0.93 [0.48–1.78]

0.70 [0.31–1.59]

Number of toothbrushings per day with ≥ 1000 ppm F⁻ toothpaste

  < 2

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

  ≥ 2

1.16 [0.66–2.03]

1.44 [0.75–2.77]

1.50 [0.85–2.66]

1.42 [0.73–2.76]

Daily intake of free sugars exceeding WHO recommendations

 No

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 Yes

1.21 [0.62–2.39]

1.36 [0.64–2.90]

0.95 [0.48–1.90]

0.75 [0.35–1.59]

Painful sites in the mouth

 No

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 Yes

2.00 [0.51–9.32]

1.92 [0.45–8.15]

2.16 [0.56–8.92]

2.18 [0.54–8.75]

Number of exposed root surfaces

  ≤ 8

1 [Reference]

1 [Reference]

1 [Reference]

1 [Reference]

 9–21

1.32 [0.68–2.54]

1.08 [0.54–2.48]

2.95 [1.47–5.89]

3.01 [1.41–6.40]

  > 21

1.64 [0.88–3.06]

1.16 [0.54–2.48]

2.32 [1.20–4.48]

2.42 [1.07–5.46]