Table 3. Comparison of daily living activities and mental health in the IORRA survey conducted in April 2016 between the patients whose debut joint was the foot or ankle (FOOT group) and patients whose debut joint was another joint (non-FOOT group).

^*

		FOOT group (n = 2,164)		non-FOOT group (n = 2,164)		P
Difficulty in going to work, school, or shopping nearby†		0.60 ± 0.76 (0–3)		0.28 ± 0.59 (0–3)		<2.2e-16
Difficulty in doing work, school activities or household duties†		0.55 ± 0.75 (0–3)		0.26 ± 0.57 (0–3)		<2.2e-16
Difficulty in taking a trip, such as a business trip or journey†		0.69 ± 0.83 (0–3)		0.36 ± 0.66 (0–3)		<2.2e-16
Feeling anxious, depressed, or frustrated, positivity, no. (%)‡		932 (43.4)§		441 (20.7)¶		<2.2e-16

* Values are mean ± standard deviation (range), unless indicated otherwise.

^†The following response categories are available for each question: without any difficulty (score 0), with low difficulty (score 1), with moderate difficulty (score 2), or severe difficulty (score 3).

^‡Patients answered with Yes or No.

^§ Missing data for feeling anxious, depressed, or frustrated in the FOOT group (n = 18).

^¶ Missing data for feeling anxious, depressed, or frustrated in the non-FOOT group (n = 35).