Table 2 Fixed effects of the analysis models where the imputation has been conducted under the Replace-days, Plausible, Suspicious and Dismissive assumptions for the missing data

arm1

211.4

(1.60)

(0.81)

122.3

(0.80)

(0.39)

66.44

(0.51)

arm2

87.91

(0.72)

(0.13)

42.49

(0.27)

(− 0.33)

− 31.46

(− 0.25)

year2

201.3

(1.26)

(0.05)

27.90

(0.14)

(0.90)

87.21

(0.61)

arm1 year2

− 162.5

(− 1.11)

(− 0.10)

− 65.06

(− 0.41)

(− 1.00)

− 178.9

(− 1.38)

arm2 year2

− 167.6

(− 1.32)

(− 0.78)

− 145.6

(− 1.01)

(− 1.15)

− 148.5

(− 1.28)

\(\bar {y}_{i,0,.}\)

0.804***

(40.75)

(28.83)

0.781***

(35.09)

(35.28)

0.728***

(35.20)

year2 \(\bar {y}_{i,0,.}\)

− 0.0597***

(− 3.08)

(− 1.86)

− 0.0518*

(− 1.97)

(− 2.58)

− 0.0449**

(− 2.26)

female

− 424.1***

(− 3.13)

(− 2.85)

− 395.5***

(− 2.63)

(− 3.23)

− 403.0***

(− 3.12)

age

− 31.87***

(− 2.70)

(− 3.23)

− 43.11***

(− 3.45)

(− 2.46)

− 28.84**

(− 2.47)

b2

104.4

(0.49)

(0.19)

102.9

(0.44)

(1.67)

331.6

(1.63)

b3

− 30.92

(− 0.12)

(− 0.88)

− 241.9

(− 0.92)

(0.13)

34.00

(0.15)

b4

276.1

(0.92)

(0.59)

204.2

(0.58)

(1.02)

288.4

(1.03)

b5

− 72.39

(− 0.33)

(− 0.79)

− 190.0

(− 0.83)

(0.05)

50.39

(0.23)

b6

179.9

(0.53)

(0.16)

110.0

(0.31)

(0.68)

153.5

(0.48)

b7

51.05

(0.22)

(0.01)

12.77

(0.05)

(0.98)

212.5

(0.93)

b8

300.2

(0.84)

(1.06)

387.8

(1.06)

(2.24)

686.4**

(2.21)

b9

534.8

(1.60)

(1.32)

396.5

(1.09)

(1.55)

489.6

(1.57)

b10

− 55.07

(− 0.20)

(− 0.44)

0.233

(0.00)

(1.01)

251.4

(0.97)

b11

93.24

(0.34)

(− 0.46)

− 177.4

(− 0.61)

(0.46)

156.0

(0.60)

intercept

1239.9***

(5.10)

(5.28)

1561.6***

(5.76)

(5.12)

1237.2***

(5.36)

N

3462

3484

3462