Table 3.
Initial acne therapy used within the first 6 months of the acne diagnosis, by BMI class
| Type of acne therapy | All acne cases (N=643) | Age- and sex-specific BMI percentile class† |
|||
|---|---|---|---|---|---|
| Underweight or Normal (N=373) | Overweight (N=111) | Obese (N=97) | P-value‡ | ||
|
| |||||
| At least one of the following | 634 (98.6%) | 367 (98.4%) | 111 (100.0%) | 94 (96.9%) | -- |
| Over the counter medication | 307 (47.7%) | 177 (47.5%) | 56 (50.5%) | 47 (48.5%) | 0.86 |
| Prescription topical medication‡ | 483 (75.1%) | 276 (74.0%) | 90 (81.1%) | 69 (71.1%) | 0.20 |
| Topical retinoids | 365 | 207 | 72 | 44 | |
| Topical antibiotics or benzoyl peroxide | 277 | 163 | 45 | 43 | |
| Other | 14 | 9 | 0 | 3 | |
| Prescription systemic medication* | 53 (8.2%) | 20 (5.4%) | 9 (8.1%) | 10 (10.3%) | 0.18 |
| Systemic antibiotics | 52 | 20 | 9 | 9 | |
| Hormonal therapy or oral contraceptives | 3 | 2 | 0 | 1 | |
| Oral isotretinoin | 2 (0.3%) | 2 (0.5%) | 0 (0.0%) | 0 (0.0%) | -- |
| Other^ | 2 (0.3%) | 1 (0.3%) | 0 (0.0%) | 0 (0.0%) | -- |
†
Results based on the 581 acne cases with available BMI and without pre-existing relevant endocrine disorders.
‡
The use of each type of medication was compared between the three BMI classes using the chi-square test.
*
Some patients may have used more than one type of prescription topical medication or more than one type of prescription systemic medication.
^
topical hydrocortisone [1 patient]; comedone extraction [1 patient]