Study characteristics for observational studies
Study | Setting | Study population | Study characteristics | |||
---|---|---|---|---|---|---|
|
| Study design | Intervention | Control | Recall interval | |
Type of intervention: SMS | ||||||
Bourne et al27 | Clinic Australia |
| Non-randomised before–after study | SMS |
| 4 months |
Zou et al28 | Clinic Australia |
| Non-randomised before–after study | SMS or email |
| 3 months /6 months /12 months |
Burton et al29 | Clinic UK |
| Non-randomised before–after study | SMS | Historic control | 4 months |
Guy et al9 | Clinic Australia |
| Non-randomised before–after study | SMS |
| 3 months |
Type of intervention: Postcard/letter | ||||||
Paneth-Pollak et al30 | Clinic USA |
| Non-randomised before–after study | Postcard |
| 3 months |
Type of intervention: Phone | ||||||
Harte et al31 | Clinic UK |
| Non-comparative study | Phone | N/A | 3 months |
Type of intervention: send home sampling kit | ||||||
Bloomfield et al32 | Clinic USA |
| Non-comparative study | Mailed home sampling kit | N/A | 1–6 months |
Gotz et al33 | Community Netherlands |
| Cohort | Home sampling kit mailed | n/a | 6 months |
LaMontagne et al34 | Clinic UK |
| Non-comparative study | Home sampling kit mailed | N/A | 3 months |
Walker et al35 | Community Australia |
| Prospective cohort | Home sampling kit mailed | N/A | 3 months if STI 6 months and 12 months for everyone |
Cameron et al36 | Community UK |
| Non-comparative study | Home sampling kit mailed and telephone reminder | N/A | 3 months |
MSM, men who have sex with men; STD, sexually transmitted disease; STI, sexually transmitted infection.