Table 5 Results of analyses of variance for comparison between different implementation options depending on company size as well as supervisor function (n = 755)

Type of consultation

F (4, 750) = 

F (2, 1500) = 

F (8, 1500) = 

F (1, 753) = 

F (2, 1506) = 

F (2, 1506) = 

 In-person

4.76 (0.65)

4.75 (0.78)

4.79 (0.61)

4.72 (0.66)

4.83 (0.43)

0.394;

(0.813)

686.865;

(< 0.001)

0.881;

(0.53)

4.80 (0.59)

4.70 (0.73)

0.218;

(0.641)

464.805;

(< 0.001)

0,510;

(0.600)

 Telephone

3.01 (1.23)

2.97 (1.16)

3.06 (1.24)

3.18 (1.10)

3.01 (1.27)

3.04 (1.22)

3.05 (1.13)

 Video-based

3.14 (1.26)

3.35 (1.20)

3.29 (1.25)

3.31 (1.20)

3.38 (1.27)

3.32 (1.24)

3.31 (1.21)

Location

F (4, 750) = 

F (1, 750) = 

F (4, 750) = 

F (1, 753) = 

F (1, 753) = 

F (1, 753) = 

 Outside company premises

4.48 (0.85)

4.52 (0.78)

4.42 (0.91)

4.41 (0.89)

4.46 (0.83)

3.456;

(0.008)

760.786;

(< 0.001)

2.828;

(0.024)

4.45 (0.87)

4.49 (0.79)

5.092;

(0.024)

570.146;

(< 0.001)

4.297;

(0.039)

 On company premises

2.39 (1.22)

2.31 (1.21)

2.65 (1.29)

2.66 (1.32)

2.81 (1.35)

2.66 (1.29)

2.36 (1.29)

Time

F (4, 750) = 

F (1, 750) = 

F ( 4, 750) = 

F (1, 753) = 

F (1, 753) = 

F (1, 753) = 

 Outside working hours

3.66 (1.27)

3.50 (1.23)

3.61 (1.16)

3.66 (1.19)

3.68 (1.16)

1.411;

(0.229)

5.338;

(0.021)

0.826;

(0.509)

3.60 (1.19)

3.73 (1.20)

0.218;

(0.641)

8.008;

(0.005)

2.593;

(0.108)

 Within working hours

3.29 (1.42)

3.55 (1.29)

3.32 (1.32)

3.58 (1.24)

3.42 (1.37)

3.48 (1.31)

3.29 (1.40)

Scope

F (4, 750) = 

F (1, 750) = 

F (4, 750) = 

F (1, 753) = 

F (1, 753) = 

F (1, 753) = 

 Diagnostic only

2.79 (1.14)

2.80 (1.09)

2.76 (1.18)

2.83 (1.11)

2.95 (1.15)

2.0640;

(0.084)

928.921;

(< 0.001)

0.325;

(0.862)

2.81 (1.14)

2.94 (1.11)

0.073;

(0.787)

601.966;

(< 0.001)

2.909;

(0.089)

 Diagnostic + treatment

4.53 (0.70)

4.45 (0.89)

4.58 (0.78)

4.58 (0.70)

4.63 (0.63)

4.58 (0.72)

4.48 (0.84)

Purpose

F (4, 750) = 

F (3, 2250) = 

F (12, 2250) = 

F (1, 753) = 

F (3, 2259) = 

F (3, 2259) = 

 Occupational burden

4.28 (1.16)

4.31 (1.03)

4.50 (0.90)

4.53 (0.80)

4.56 (0.79)

1.170;

(0.323)

32.755;

(< 0.001)

2.684;

(0.002)

4.47 (0.91)

4.40 (0.98)

2.894;

(0.089)

32.552;

(< 0.001)

0.497;

(0.661)

 Maintain work ability

4.32 (0.99)

4.41 (0.97)

4.48 (0.92)

4.51 (0.74)

4.53 (0.82)

4.48 (0.86)

4.43 (0.98)

 Private burden

4.15 (1.02)

3.99 (1.15)

4.18 (0.96)

4.10 (1.04)

3.88 (1.06)

4.07 (1.03)

3.90 (1.15)

 Occupational reintegration

4.30 (1.10)

4.34 (1.10)

4.30 (1.15)

4.34 (1.03)

4.53 (0.84)

4.40 (0.99)

4.29 (1.17)

Accepted distance

n (%)

n (%)

n (%)

n (%)

n (%)

F (4, 737) = 

n (%)

n (%)

F (1, 740) = 

 < 15 Min

15 (17)

13 (8)

26 (17)

16 (12)

29 (14)

0.468;

(0.759)

85 (14)

14 (9)

0.229;

(0.633)

 15 – 30 Min

50 (57)

114 (75)

87 (56)

89 (67)

126 (59)

363 (61)

103 (69)

 30 – 45 Min

20 (23)

21 (14)

35 (22)

24 (18)

49 (23)

122 (21)

27 (18)

 > 45 Min

2 (2)

5 (3)

8 (5)

3 (2)

10 (5)

22 (4)

6 (4)