Table 4 The presence of disabling foot pain (DPF) and selected data aligning with the domains of disease impact defined by the GRAPPA-OMERACT PsA core domain set

Overall

17 (40)

25 (60)

Global disease activity

Global disease activity severity (RAPID3)

 Remission

0 (0)

7 (28)

0.028*

 Low severity

3 (18)

8 (32)

 Moderate severity

9 (53)

7 (28)

 High severity

5 (29)

3 (12)

Physical function

Mobility (EQ-5D-3 L)

 I have no problems walking about

7 (42)

17 (68)

0.117

 I have some problems walking about

10 (58)

8 (32)

Able to walk 3 km? (MD-HAQ)

 Without any difficulty

3 (18)

15 (60)

0.026*

 With some difficulty

7 (41)

6 (24)

 With much difficulty

1 (6)

0 (0)

 Unable to do so

6 (35)

4 (16)

Participation

Able to cope with self-care activity? (OT)⁺

 Coping well

15 (88)

21 (88)

0.665

 Difficulty with 1–2 tasks

2 (12)

3 (12)

Able to cope with leisure activity? (OT)⁺

 Yes

13 (86)

19 (95)

0.74

 No

1 (14)

2 (5)

Ability to perform usual activities (For

example, work, study, housework,

family or leisure activities) (EQ-5D-3 L)⁺

 I have no problems performing my usual activities

9 (53)

14 (56)

0.652

 I have some problems performing my usual activities

8 (47)

11 (44)

Able to participate in recreational activities

and sports as you would like? (MD-HAQ)⁺

 Without any difficulty

5 (29)

9 (36)

0.849

 With some difficulty

7 (41)

11 (44)

 Unable to do so

5 (29)

5 (20)

I am unable to carry out my previous work

(MFPDI)⁺

 None of time

9 (64)

10 (100)

0.144

 On most/every day

2 (14)

0

 On some days

3 (21)

0

I no longer do all my previous activities

(MFPDI)⁺

 None of the time

9 (53)

8 (80)

0.161

 On some days

8 (47)

2 (20)

Living arrangement (MSW)⁺

 Alone

2 (12)

1 (4)

0.385

 Family

15 (88)

22 (88)

Types of domestic tasks engaged in (OT)⁺

 None

0 (0)

1 (4)

0.063

 Light

5 (29)

3 (12)

 Moderate

9 (53)

4 (16)

 Heavy

1 (6)

6 (24)

Not engaging in cardiovascular exercise (PT)

14 (82)

16 (64)

0.300

Emotional well-being

Over the past week, were you able to deal with feelings of anxiety or being nervous? (MD-HAQ)

 Without any difficulty

12 (71)

18 (72)

0.293

 With some difficulty

3 (18)

7 (28)

 With much difficulty

1 (4)

0 (0)

 Unable to do so

1 (4)

0 (0)

Over the past week, were you able to deal with feelings of depression or feeling down? (MD-HAQ)

 Without any difficulty

10 (59)

20 (80)

0.206

 With some difficulty

6 (35)

5 (20)

 With much difficulty

1 (6)

0

Anxiety/Depression (EQ-5D-3 L)

 I am not anxious/depressed

11 (65)

19 (76)

0.576

 I am moderately anxious/depressed

5 (29)

6 (24)

 I am extremely anxious/depressed

1 (6)

0 (0)

Sleep

Able to get a good night’s sleep? (MD-HAQ)

 Without any difficulty

9 (53)

18 (72)

0.424

 With some difficulty

6 (35)

6 (24)

 With much difficulty

2 (13)

1 (5)

Fatigue

Has fatigue been a problem for you over the past month? (OT)⁺

 Yes

7 (44)

4 (17)

0.08

 No

9 (56)

20 (83)