Table 3 Comparison of mean and median scores for questions Q1 to Q7 for on-site interview and phone interview

2.89 (0.69)

3 (2 – 3)

2 (141), 1 (0)

2.78 (0.92)

3 (2 – 3)

2 (199), 1 (18 )

0.001

< 2(141or 27.6%)

< 2(217 or 42.5%)

3.07 (0.71)

3 (3 – 3)

2 (97), 1 (0)

3.06 (0.85)

3 (3 – 4)

2 (99), 1 (14)

0.868

< 2(97 or 19%)

< 2(113 or 22.1%)

3.60 (0.73)

4 (3 – 4)

2 (13), 1 (2)

3.57 (0.74)

4 (3 – 4)

2 (19 ), 1 (1)

0.329

< 2(15 or 2.9%)

< 2(20 or 3.9%)

3.32 (0.71)

3 (3 – 4)

2 (39), 1 (4)

3.53 (0.68)

3 (3 – 4)

2 (13), 1 (0)

<0.001

< 2(43 or 8.4%)

< 2(13 or 2.5%)

3.36 (0.74)

3 (3 – 4)

2 (36), 1 (4)

3.43 (0.73)

3 (3 – 4)

2 (21), 1 (1)

0.035

< 2(40 or 7.8%)

< 2(22 or 4.3%)

3.22 (0.85)

3 (3 – 4)

2 (54), 1 (19)

3.00 (0.98)

3 (3 – 4)

2 (91), 1 (22)

0.288

< 2(73 or 14.3%)

< 2(113 or 22.1%)

3.47 (0.72)

3 (3 – 4)

2 (24), 1 (2)

3.47 (0.70)

3 (3 – 4)

2 (16), 1 (0)

0.371

< 2(26 or 5.1%)

< 2(16 or 3.1)