Table 2.
Sun protection practices in patients with malignant melanoma, those with atypical mole syndrome, and controls
|
|
Patients with a PMH of MM, n = 26
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Patients with AMS, n = 47
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Control group, n = 48
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All participants, n = 121
|
P
value
|
| Do you use sunscreen? n (%) | |||||
| No | 5/26 (19.2) | 7/47 (14.9) | 5/48 (10.4) | 17/121(14) | 0.461 |
| Yes | 21/26 (80 .8) | 40/47 (85.1) | 43/48 (89.8) | 104/121 (86) | |
| If yes, which SPF sunblock rating do you use? n (%) | |||||
| < 30 | 2/26 (7.7) | 5/47 (10.6) | 9/48 (18.8) | 16/121 (13.2) | 0.222 |
| ≥ 30 | 7/26 (26.9) | 10/47 (21.3) | 14/48 (29.2) | 31/121 (25.6) | |
| ≥ 50 | 12/26 (46.2) | 25/47 (53.2) | 20/48 (41.7) | 57/121 (47.1) | |
| No sunscreen use | 5/26 (19.2) | 7/47 (14.9) | 5/48 (10.4) | 17/121 (14) | |
| How frequently do you use sunscreen? n (%) | |||||
| Everyday | 5/26 (19.2) | 6/47 (12.8) | 11/48 (22.9) | 22/121 (18.2) | 0.663 |
| Most days | 4/26 (15.4) | 13/47 (27.7) | 10/48 (20.8) | 27/121 (22.3) | |
| Occasionally | 11/26 (42.3) | 18/47 (38.3) | 18/48 (37.5) | 47/121 (38.8) | |
| Rarely | 1/26 (3.8) | 3/47 (6.4) | 4/48 (8.3) | 8/121 (6.6) | |
| No sunscreen use | 5/26 (19.2) | 7/47 (14.9) | 5/48 (10.4) | 17/121 (14) | |
| During which seasons do you apply sunscreen? n (%) | |||||
| Only during the summer | 17/26 (65.4) | 37/47 (78.7) | 30/48 (62.5) | 84/121 (69.4) | 0.353 |
| All year-round | 4/26 (15.4) | 3/47 (6.4) | 13/48 (27.1) | 20/121 (16.5) | |
| No sunscreen use | 5/26 (19.2) | 7/47 (14.9) | 5/48 (10.4) | 17/121 (14) | |
| In which of the following weather conditions do you apply sunscreen? n (%) | |||||
| Only in direct sunny weather | 17/26 (65.4) | 38/47 (80.9) | 34/48 (70.8) | 89/121 (73.6) | 0.606 |
| Both sunny and cloudy weather | 4/26 (15.4) | 2/47 (4.3) | 9/48 (18.8) | 15/121 (12.4) | |
| No sunscreen use | 5/26 (19.2) | 7/47 (14.9) | 5/48 (10.4) | 17/121 (14) | |
| While outdoors, do you reapply sunscreen? n (%) | |||||
| No | 16/26 (61.5) | 21/47 (44.7) | 33/48 (68.8) | 70/121 (57.9) | 0.31 |
| Yes | 10/26 (38.5) | 26/47 (55.3) | 15/48 (31.3) | 51/121 (42.1) | |
| Do you reapply sunscreen after swimming or perspiring heavily? n (%) | |||||
| No | 14/26 (53.8) | 20/47 (42.6) | 28/48 (58.3) | 62/121 (51.2) | 0.139 |
| Yes | 12/26 (46.2) | 27/47 (57.4) | 20/48 (41.7) | 59/121 (48.8 ) | |
| Wearing UV-protective sunglasses, n (%) | |||||
| Everyday | 13/26 (50) | 21/47 (44.7) | 12/48 (25) | 46/121 (38) | 0.303 |
| Most days | 5/26 (19.2) | 10/47 (21.3) | 16/48 (33.3) | 31/121 (25.6) | |
| Occasionally | 2/26 (7.7) | 7/47 (14.9) | 13/48 (27.1) | 22/121 (18.2) | |
| Rarely | 1/26 (3.8) | 4/47 (8.5) | 4/48 (8.3) | 9/121 (7.4) | |
| Never | 5/26 (19.2) | 5/47 (10.6) | 3/48 (6.3) | 13/121 (10.7) | |
| Wearing a broad-brimmed hat, n (%) | |||||
| Everyday | 5/26 (19.2) | 3/47 (6.4) | 3/48 (6.3) | 11/121 (9.1) | 0.535 |
| Most days | 1/26 (3.8) | 6/47 (12.8) | 6/48 (12.5) | 13/121 (10.7) | |
| Occasionally | 6/26 (23.1) | 14/47 (29.8) | 13/48 (27.1) | 33/121 (27.3) | |
| Rarely | 7/26 (26.9) | 13/47 (27.7) | 6/48 (12.5) | 26/121 (21.5) | |
| Never | 7/26 (26.9) | 11/47 (23.4) | 20/48 (41.7) | 38/121 (31.4) | |
| Wearing long-sleeved shirts or long plants made from tight fabric weave, n (%) | |||||
| Everyday | 1/26 (3.8) | 2/47 (4.3) | 1/48 (2.1) | 4/121 (3.3) | 0.275 |
| Most days | 4/26 (15.4) | 11/47 (23.4) | 9/48 (18.8) | 24/121 (19.8) | |
| Occasionally | 7/26 (26.9) | 13/47 (27.7) | 16/48 (33.3) | 36/121 (29.8) | |
| Rarely | 5/26 (19.2) | 11/47 (23.4) | 12/48 (25) | 28/121 (23.1) | |
| Never | 9/26 (34.6) | 10/47 (21.3) | 10/48 (20.8) | 29/121 (24) | |
| Avoiding the sun during hours of peak sunlight intensity (10:00 am to 16:00 pm), n (%) | |||||
| Everyday | 8/26 (30.8) | 9/47 (19.1) | 5/48 (10.4) | 22/121 (18.2) | 0.492 |
| Most days | 10/26 (38.5) | 20/47 (42.6) | 26/48 (54.2) | 56/121 (46.3) | |
| Occasionally | 4/26 (15.4) | 11/47 (23.4) | 13/48 (27.1) | 28/121 (23.1) | |
| Rarely | 4/26 (15.4) | 5/47 (10.6) | 0/48 (0) | 9/121 (7.4) | |
| Never | 0/26 (0) | 2/47 (4.3) | 4/48 (8.3) | 6/121 (5) |
PMH: Past medical history; MM: Malignant melanoma; AMS: Atypical mole syndrome; UV: Ultraviolet.