Characteristics of app usage by the 79 users who attended HIV and other STI testing facilities in the app-based pilot intervention programme, Barcelona 2016
| Variables | Median | IQR | n | % |
| App use characteristics | ||||
| History of use | ||||
| Less than 1 year | 14 | 18.2 | ||
| 1–3 years | 28 | 36.4 | ||
| 4 or more years | 34 | 44.2 | ||
| NA | 1 | 1.3 | ||
| Frequency of use during the last month | ||||
| 6–7 days a week | 46 | 59.7 | ||
| 2–5 days a week | 29 | 37.7 | ||
| 1 day a week or less | 1 | 1.3 | ||
| NA | 1 | 1.3 | ||
| Time of use during the day | ||||
| Morning (06:00–12:00) | 6 | 7.8 | ||
| Afternoon (12:00–18:00) | 3 | 3.9 | ||
| Evening/night (18:00–00:00) | 55 | 71.4 | ||
| Early morning (00:00–06:00) | 4 | 5.2 | ||
| Indifferent use | 8 | 10.4 | ||
| NA | 1 | 1.3 | ||
| Day of use during the week | ||||
| Weekdays | 15 | 19.5 | ||
| Weekend | 29 | 37.7 | ||
| Indifferent | 32 | 41.6 | ||
| NA | 1 | 1.3 | ||
| Number of apps used | 2 | 2–3 | ||
| Last used app | ||||
| Grindr | 48 | 62.3 | ||
| PlanetRomeo | 10 | 13.0 | ||
| Wapo | 9 | 11.7 | ||
| Tinder | 3 | 3.9 | ||
| Other | 2 | 2.6 | ||
| NA | 5 | 6.5 |
Apps, applications; NA, not answered.