Table 2 Between-group comparison of the NPI scales: univariate analysis

1 (0–2)

1.26 (1.23)

1 (0–2)

1.31 (1.13)

0.31

0.7533

3 (2–4)

2.67 (1.28)

2 (2–3)

2.37 (1.16)

1.17

0.2404

3 (2–4)

2.85 (1.71)

2 (1–4)

2.36 (1.73)

1.44

0.1497

3 (1–3)

2.39 (1.18)

2 (1–3)

2.03 (1.16)

1.61

0.1065

2 (2–3)

2.56 (1.25)

2 (1–3)

2.00 (1.32)

2.41

0.0160*

4 (2–6)

3.90 (2.22)

3 (2–5)

3.69 (2.14)

0.50

0.6185

2 (1–3)

2.51 (1.54)

2 (1–3)

2.01 (1.30)

1.55

0.1220

19 (13–22)

18.13 (6.41)

14 (11–20)

15.77 (6.07)

1.97

0.0486*