Table I.
Comparison of interviewed and non-interviewed subjects n =500 (%)
| Interviewed participants (%) | Non-interviewed (%) | Total (%) | |
|---|---|---|---|
| Anatomic sitea | |||
| Upper limb | 4 (1.8) | 1 (0.4) | 5 (1.0) |
| Back | 1 (0.5) | 1 (0.4) | 2 (0.4) |
| Chest | 3 (1.4) | 2 (0.7) | 5 (1.0) |
| Posterior ear | 2 (0.9) | 5 (1.8) | 7 (1.4) |
| Anterior ear | 18 (8.2) | 27 (9.6) | 45 (9.0) |
| Eye | 17 (7.8) | 23 (8.2) | 40 (8.0) |
| Neck | 6 (2.7) | 5 (1.8) | 11 (2.2) |
| Submandible | 1 (0.5) | 0 (—) | 1 (0.2) |
| Jawline | 1 (0.5) | 2 (0.7) | 3 (0.6) |
| Chin | 5 (2.3) | 3 (1.1) | 8 (1.6) |
| Vermillion lip | 6 (2.7) | 5 (1.8) | 11 (2.2) |
| Anterior lip | 7 (3.2) | 11 (3.9) | 18 (3.6) |
| Alar lip | 5 (2.3) | 14 (5.0) | 19 (3.8) |
| Nose | 39 (17.8) | 66 (23.5) | 105 (21.0) |
| Nasofacial fold | 20 (9.1) | 17 (6.1) | 37 (7.4) |
| Cheek | 26 (11.9) | 31 (11.0) | 57 (11.4) |
| Pre-auricular | 4 (1.8) | 6 (2.1) | 10 (2.0) |
| Post-auricular | 3 (1.4) | 3 (1.1) | 6 (1.2) |
| Forehead | 26 (11.9) | 20 (7.1) | 46 (9.2) |
| Scalp | 25 (11.4) | 39 (13.9) | 64 (12.8) |
| Age (y)b | |||
| <40 | 8 (4) | 3 (1) | 11 (2) |
| 41–50 | 29 (13) | 15 (5) | 44 (9) |
| 51–60 | 36 (16) | 47 (17) | 83 (17) |
| 61–70 | 43 (20) | 36 (13) | 79 (16) |
| 71–80 | 80 (37) | 87 (31) | 167 (33) |
| 81–90 | 22 (10) | 83 (30) | 105 (21) |
| >90 | 1 (0) | 10 (4) | 11 (2) |
| Histologic subtypec | |||
| Morpheaform BCC | 10 (4.6) | 13 (4.6) | 23 (4.6) |
| Infiltrating BCC | 22 (10.0) | 27 (9.6) | 49 (9.8) |
| Superficial BCC | 6 (2.7) | 6 (2.1) | 12 (2.4) |
| Basosquamous BCC | 4 (1.8) | 10 (3.6) | 14 (2.8) |
| Nodular BCC | 60 (27.4) | 77 (27.4) | 137 (27.4) |
| SCC in situ | 13 (5.9) | 17 (6.0) | 30 (6.0) |
| Moderately differentiated SCC | 5 (2.3) | 6 (2.1) | 11 (2.2) |
| Well-differentiated SCC | 18 (8.2) | 16 (5.7) | 34 (6.8) |
| Superficial SCC | 4 (1.8) | 5 (1.8) | 9 (1.8) |
| Other types of SCC | 8 (3.7) | 8 (2.8) | 16 (3.2) |
| No histological subtype available | 69 (31.5) | 96 (34.1) | 165 (33.0) |
| Genderd | |||
| Females | 94 (42.9) | 110 (39.1) | 204 (40.8) |
| Males | 125 (57.1) | 171 (60.9) | 296 (59.2) |
| Total subjects | 219 | 281 | 500 |
a
Logistic regression Wald χ2 =15.46, p =0.7.
b
Logistic regression Wald χ2 =28.55, p<0.0001.
c
Logistic regression Wald χ2 =3.149, p =1.0.
d
χ2 =0.726, p =0.4.
BCC, basal cell carcinoma; SCC, squamous cell carcinoma.