Participant baseline characteristics (quantitative study)
| N (%) or mean (SD) | |
| Recruitment site | |
| Primary care | 176 (86.3%) |
| Secondary care | 27 (13.2%) |
| Community advertising | 1 (0.5%) |
| Female | 174 (85.3%) |
| Male | 30 (14.7%) |
| Age | 28.2 (8.5) |
| Duration of acne | |
| Less than 6 months | 4 (2.0%) |
| 6 months–1 year | 9 (4.4%) |
| 1–2 years | 18 (8.8%) |
| 2+ years | 173 (84.8%) |
| Treatments tried ever | |
| None/not sure | 3 (1.5%) |
| Benzoyl peroxide cream/lotion/gel | 118 (57.8%) |
| Topical retinoid cream/lotion/gel | 53 (26.0%) |
| Topical adapalene cream/lotion/gel | 60 (29.4%) |
| Antibiotic cream/lotion/gel | 93 (45.6%) |
| Combination cream/lotion/gel—combining above products | 84 (41.2%) |
| Antibiotics by mouth | 163 (79.9%) |
| Contraceptive pill | 113 (55.4%) |
| Cocyprindiol by mouth | 43 (21.1%) |
| Isotretinoin by mouth | 53 (26.0%) |
| Treatments currently using | |
| None/not sure | 19 (9.5%) |
| Benzoyl peroxide cream/lotion/gel | 21 (10.3%) |
| Topical retinoid cream/lotion/gel | 6 (2.9%) |
| Topical adapalene cream/lotion/gel | 18 (8.8%) |
| Antibiotic cream/lotion/gel | 24 (11.8%) |
| Combination cream/lotion/gel—combining above products | 29 (14.2%) |
| Antibiotics by mouth | 74 (36.3%) |
| Contraceptive pill | 39 (19.1%) |
| Cocyprindiol by mouth | 6 (2.9%) |
| Isotretinoin by mouth | 29 (14.2%) |