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. 2021 Jun 30;2(3):289–295. doi: 10.1016/j.xfre.2021.06.007

Table 2.

The questionnaire results.

Question Snowballs (12 patients)
No. (%)		 Underdog (14 patients)
No. (%)		 Total (26 patients)
No. (%)
  • 1.

    (a) How often did you use your device?

 Daily: 3 (25%)
5–6 days/week: 4 (33.3%)
3–4 days/week: 2 (16.7%)
1–2 days/week: 2 (16.7%)
No response: 1 (8.3%)		 Daily: 4 (28.6%)
5–6 days/week: 2 (14.3%)
3–4 days/week: 0 (0%)
1–2 days/week: 6 (42.9%)
No response: 2 (14.3%)		 Daily: 7 (26.9%)
5–6 days/week: 6 (23.1%)
3–4 days/week: 2 (7.7%)
1–2 days/week: 8 (30.8%)
No response: 3 (11.5%)
  • 1.

    (b) During a day, how long did you use your device?

 <30 Minutes: 0 (0%)
30–60 Minutes: 5 (41.7%)
1–2 Hours: 5 (41.7%)
2–4 Hours: 1 (8.3%)
>4 Hours: 0 (0%)
No response: 1 (8.3%)		 <30 Minutes: 0 (0%)
30–60 Minutes: 4 (28.6%)
1–2 Hours: 0 (0%)
2–4 Hours: 3 (21.4%)
>4 Hours: 2 (14.3%)
No response: 5 (35.7%)		 <30 Minutes: 0 (0%)
30–60 Minutes: 9 (34.6%)
1–2 Hours: 5 (19.2%)
2–4 Hours: 4 (15.4%)
>4 Hours: 2 (7.7%)
No response: 6 (23.1%)
  • 1.

    (c) How many weeks did you use your cooling device for?

 <4 weeks: 0 (0%)
4–12 weeks: 10 (83.3%)
>12 Weeks: 1 (8.3%)
No response: 1 (8.3%)		 <4 weeks: 0 (0%)
4–12 weeks: 1 (7.14%)
>12 Weeks: 9 (64.3%)
No response: 4 (28.6%)		 <4 weeks: 0 (0%)
4–12 weeks: 11 (42.3%)
>12 Weeks: 10 (38.5%)
No response: 5 (19.2%)
  • 2.

    How easy was it to use your cooling device?

 Not easy: 0 (0%)
Relatively easy: 7 (58.3%)
Very easy: 4 (33.3%)
No response: 1 (8.3%)		 Not easy: 0 (0%)
Relatively easy: 2 (14.3%)
Very easy: 8 (57.1%)
No response: 4 (28.6%)		 Not easy: 0 (0%)
Relatively easy: 9 (34.6%)
Very easy: 12 (46.2%)
No response: 5 (19.2%)
  • 3.

    What bothered you about your cooling device, if anything?

 Uncomfortable: 4 (33.3%)
Not “Work-friendly”: 2 (16.7%)
Lacked privacy: 2 (16.7%)
Loss of cooling: 2 (16.7%)
Other: 1 (8.3%)
No answer: 1 (8.3%)		 Uncomfortable: 2 (14.3%)
Not “Work-friendly”: 2 (14.3%)
Lacked privacy: 1 (7.14%)
Loss of cooling: 1 (7.14%)
Other: 2 (14.3%)
No answer: 6 (42.9%)		 Uncomfortable: 6 (23.1%)
Not “Work-friendly”: 4 (15.4%)
Lacked privacy: 3 (11.5%)
Loss of cooling: 3 (11.5%)
Other: 3 (11.5%)
No answer: 7 (26.9%)
  • 4.

    How would you improve the cooling device?

 Improve device comfort: 4 (33.3%)
Improve device cooling: 2 (16.7%)
Other: 3 (25.0%)
No answer: 3 (25.0%)		 Improve device comfort: 1 (7.14%)
Improve device cooling: 2 (14.3%)
Other: 1 (7.14%)
No answer: 10 (71.4%)		 Improve device comfort: 5 (19.2%)
Improve device cooling: 4 (15.4%)
Other: 4 (15.4%)
No answer: 13 (50.0%)