Table 4 Statistically significant relationships between mean symptom frequency scores (+/− sd) and demographic and clinical variables

 Male

26.29^* (±30.32)

17.56^* (±25.97)

13.40^* (±24.97)

10.70^a

(±20.59)

34.47^* (±25.88)

 Female

32.56^* (±30.37)

23.12^* (±28.16)

18.88^* (±24.97)

14.45^a

(±23.08)

29.36^* (±25.08)

  ≤ 54

25.49^a

(±25.18)

33.33^* (±27.22)

21.89^*** (±23.61)

23.38^***

(±28.44)

24.56^a

(±29.23)

27.61^** (±25.39)

 55–64

20.73^a

(±29.07)

21.72^* (±23.93)

15.47^*** (±26.28)

14.81^*** (±27.18)

24.74^a

(±29.77)

28.31^** (±25.76)

  ≥ 65

17.63^a

(±26.11)

22.42^* (±23.66)

8.18^*** (±17.41)

10.50^*** (±22.04)

17.65^a

(±26.35)

35.78^** (±25.33)

 Colon

17.13^** (±27.54)

31.08^*** (±31.67)

8.38^*** (±18.65)

34.98^** (±22.22)

8.70^a

(±19.73)

16.72^** (±24.85)

9.72^** (±19.63)

9.24^*** (±21.59)

13.70^*** (±23.05)

8.51^*** (±18.77)

 Rectum

26.82^** (±32.97)

47.19^*** (±30.90)

24.44^*** (±29.48)

18.20^** (±20.94)

10.99^a

(±19.86)

22.62^** (±25.92)

15.84^** (±19.63)

20.26^*** (±28.02)

25.93^*** (±30.71)

16.39^*** (±25.81)

 I

13.73^* (±21.99)

7.84^* (±14.58)

 II

17.78^* (±26.64)

29.49^* (±30.30)

 III

20.86^* (±27.49)

25.44^* (±27.33)

 IV

27.62^* (±27.40)

38.89^* (±38.97)

 Previous

31.81^**

(± 24.35)

31.71^** (±31.03)

24.66^* (±31.32)

19.94^*** (±25.44)

14.63^*

(± 24.94)

10.38^*** (±20.59)

9.20^* (±19.68)

21.07^*** (±25.50)

13.71^* (±24.05)

20.16^*** (±27.81)

22.64^*** (±27.81)

9.29^** (±16.74)

 Current

41.83^** (±26.13)

35.64^** (±34.72)

24.33^* (±29.21)

25.18^*** (±28.79)

22.55^* (±30.82)

22.22^*** (±32.27)

22.21^* (±14.54)

28.38^*** (±30.24)

16.33^* (±23.92)

15.84^*** (±26.50)

27.78^*** (±29.69)

18.37^** (±29.55)

 Never

29.80^** (±25.49)

24.60^** (±27.77)

17.03^* (±28.80)

33.33^a

(±33.44)

11.86^*** (±25.13)

12.50^* (±26.19)

9.40^*** (±19.57)

7.86^* (±18.89)

14.49^*** (±22.36)

9.65^* (±19.15)

8.78^*** (±20.88)

14.89^*** (±25.77)

10.38^** (±20.86)