Table 4.
Descriptive analysis of articles by tanning stance, financial links, impact factor, and publication type. Values are numbers (percentages)
| Total (n=691) | Stance on indoor tanning | |||||
|---|---|---|---|---|---|---|
| 1: only asserts or describes health benefits (n=12; 1.7%) | 2: mostly asserts or describes health benefits (n=62; 9.0%) | 3: asserts or describes health risks and benefits equally (n=27; 3.9%) | 4: mostly asserts or describes health risks (n=150; 21.7%) | 5: only asserts or describes health risks (n=440; 63.7%) | ||
| Financial links | ||||||
| Independent | 620 (89.7) | 5 (0.8) | 22 (3.5) | 22 (3.5) | 144 (23.2) | 427 (68.9) |
| Linked to indoor tanning industry (category A+B+D) | 50 (7.2) | 7 (14) | 32 (64) | 5 (10) | 3 (6) | 3 (6) |
| Tanning bed manufacturer (A) | 10 (14) | 0 (0) | 5 (50) | 3 (30) | 1 (10) | 1 (10) |
| Industry funded organization (B) | 22 (31) | 6 (27) | 14 (64) | 1 (5) | 1 (5) | 0 (0) |
| Pharmaceutical company only (C) | 21 (30) | 0 (0) | 8 (38) | 0 (0) | 3 (14) | 10 (48) |
| Author only (D) | 18 (25) | 1 (6) | 13 (72) | 1 (6) | 1 (6) | 2 (11) |
| Impact factor | ||||||
| 0-5.00 | 368 (53.3) | 8 (2) | 45 (12) | 9 (2) | 78 (21) | 228 (62) |
| 5.01-10 | 202 (29.2) | 1 (1) | 11 (5) | 15 (7) | 43 (21) | 132 (65) |
| ≥10.01 | 59 (8.5) | 2 (3) | 2 (3) | 0 (0) | 16 (27) | 39 (66) |
| Unknown | 62 (9.0) | 1 (2) | 4 (6) | 3 (5) | 13 (21) | 41 (66) |
| Publication type | ||||||
| Empiric research: | ||||||
| Original article | 300 (43.4) | 5 (2) | 31 (10) | 15 (5) | 76 (23) | 173 (58) |
| Research letter | 46 (6.7) | 0 (0) | 1 (2) | 0 (0) | 6 (13) | 39 (85) |
| Systematic review, meta-analysis | 11 (1.6) | 0 (0) | 1 (9) | 0 (0) | 0 (0) | 10 (91) |
| Total | 357 (52) | 5 (1) | 33 (9) | 15 (4) | 82 (23) | 222 (62) |
| Non-empiric articles: | ||||||
| Review | 121 (17.5) | 2 (2) | 14 (12) | 4 (3) | 34 (28) | 67 (55) |
| Editorial, commentary, viewpoint, perspective | 121 (17.5) | 0 (0) | 4 (3) | 4 (3) | 26 (21) | 87 (72) |
| Case report (includes clinical challenge) | 40 (5.8) | 3 (8) | 4 (10) | 1 (3) | 3 (8) | 29 (73) |
| Letters (to the editor) | 30 (4.3) | 1 (3) | 6 (20) | 2 (7) | 3 (10) | 18 (60) |
| Comment/response | 22 (3.2) | 1 (5) | 1 (5) | 1 (5) | 2 (9) | 17 (77) |
| Total | 334 (48.3) | 7 (2) | 29 (9) | 12 (4) | 68 (20) | 218 (65) |
| Publication date | ||||||
| Before 1990 | 44 (6.4) | 2 (5) | 10 (23) | 2 (5) | 8 (18) | 22 (50) |
| 1990 or after | 647 (93.6) | 10 (1.5) | 52 (8.0) | 25 (3.9) | 142 (21.9) | 418 (64.6) |