Table 7 Random intercept models adjusted for fillings, patients, and dentists for all fillings (only within the manufacturer’s indications) with 0 year: including observations in the first half year (total = 1644 observations)

P value for treatment

0.035

0.118

0.091

0.105

0.130

0.235

0.317

0.492

P value for treatment * time

0.845

0.686

0.747

0.728

0.678

0.853

0.743

0.762

Joint P value for treatment and treatment * time

<0.001

0.030

0.031

0.037

0.044

0.176

0.208

0.406

Fixed part: odds ratios

Material Equia (reference: GP fast)

0.51 (0.27–0.95)

0.39 (0.12–1.27)

0.36 (0.11–1.18)

0.38 (0.12–1.23)

0.40 (0.12–1.31)

0.50 (0.16–1.57)

0.56 (0.18–1.74)

0.68 (0.23–2.04)

Material GP fast: time effect

 Reference: 1 year

1

1

1

1

1

1

1

1

 2 years

1.88 (1.62–2.18)

3.27 (2.42–4.41)

3.29 (2.43–4.44)

3.30 (2.44–4.46)

3.30 (2.44–4.47)

3.30 (2.45–4.46)

3.31 (2.45–4.46)

3.30 (2.45–4.46)

 3 years

3.52 (2.61–4.75)

10.7 (5.85–19.5)

10.8 (5.91–19.7)

10.9 (5.96–19.9)

10.9 (5.96–20.0)

10.9 (5.99–19.9)

10.9 (6.00–19.9)

10.9 (6.00–19.8)

 4 years

6.61 (4.22–10.4)

34.9 (14.1–86.0)

35.5 (14.4–87.5)

35.9 (14.5–88.8)

36.0 (14.6–89.1)

36.1 (14.7–88.7)

36.2 (14.7–88.9)

36.1 (14.7–88.4)

Material Equia: time effect

 Reference: 1 year

1

1

1

1

1

1

1

1

 2 years

1.92 (1.60–2.30)

3.01 (2.19–4.14)

3.08 (2.23–4.25)

3.08 (2.23–4.24)

3.04 (2.21–4.18)

3.18 (2.31–4.39)

3.10 (2.26–4.25)

3.11 (2.27–4.26)

 3 years

3.69 (2.57–5.30)

9.09 (4.81–17.2)

9.48 (4.98–18.0)

9.47 (4.98–18.0)

9.23 (4.88–17.5)

10.1 (5.33–19.3)

9.59 (5.09–18.1)

9.69 (5.17–18.2)

 4 years

7.09 (4.12–12.2)

27.4 (10.5–71.1)

29.2 (11.1–76.6)

29.2 (11.1–76.4)

28.1 (10.8–73.0)

32.3 (12.3–84.6)

29.7 (11.5–76.8)

30.2 (11.7–77.6)

Upper jaw (ref: lower jaw)

---

---

---

---

1.07 (0.46–2.49)

---

0.90 (0.40–1.99)

0.80 (0.37–1.72)

Tooth type (reference: 4)

 5

---

---

---

---

2.87 (0.86–9.52)

---

3.81 (1.22–11.9)

3.40 (1.13–10.2)

 6

---

---

---

---

2.04 (0.58–7.09)

---

4.17 (1.25–13.9)

3.40 (1.06–11.0)

 7

---

---

---

---

1.76 (0.51–6.12)

---

9.04 (2.48–33.0)

7.06 (2.04–24.5)

 8

---

---

---

---

1.22 (0.07–20.0)

---

19.9 (1.30–304)

19.1 (1.38–264)

Class (reference: class I)

 Class II

---

---

---

---

---

24.3 (8.43–70.0)

45.0 (13.7–148)

38.7 (12.1–124)

Random part:

Filling: intercept

---

3.15 (2.40–3.89)

1.80 (1.05–2.55)

1.82 (1.06–2.57)

1.81 (1.04–2.58)

1.82 (1.04–2.60)

1.79 (1.00–2.57)

1.76 (0.99–2.52)

Patient: intercept

---

---

2.55 (1.78–3.32)

2.53 (1.75–3.30)

2.46 (1.69–3.23)

2.07 (1.31–2.83)

1.92 (1.16–2.69)

1.23 (0.24–2.22)

Dentist: intercept

---

---

---

---

---

---

---

1.49 (0.86–2.12)