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Table 3 Study design by risk behaviours

From: A scoping review of risk behaviour interventions in young men

Study design Physical inactivity Poor diet Alcohol use Tobacco smoking Recreational drug use Unsafe sexual behaviour Violence Unsafe vehicle driving Gambling Tanning/sun exposure Self-harm Multiple risk behaviours Total
Included young adult male participants only  
RCT 14 1 3 0 0 6 0 1 0 0 0 4****, §, †, ‡ 29
Non- RCT 0 0 0 0 0 2 0 1 0 0 0 1* 4
Case series 4 0 0 1 0 3 0 0 0 1 0 0 9
Cluster RCT 0 0 1 0 0 0 0 0 0 0 0 0 1
Cluster controlled 0 0 0 0 0 2 0 0 0 0 0 0 2
Interrupted time series 0 0 0 0 0 1 0 0 0 0 0 0 1
Total 18 1 4 1 0 14 0 2 0 1 0 5 46
Studies with outcomes stratified by age and/or sex to include young adult males  
RCT 8 0 15 2 1 3 0 1 0 0 0 3***, *,* 33
Non- RCT 0 1 2 0 0 1 0 1 0 0 0 0 5
Case series 1 3 1 0 0 017 0 0 0 0 0 2**, ** 7
Cluster RCT 0 0 2 1 0 3 0 0 0 0 0 0 6
Cluster controlled 0 0 1 0 1 0 0 0 0 0 0 0 2
Interrupted time series 0 0 0 0 0 0 0 1 0 0 0 0 1
Total 9 4 21 3 2 7 0 3 0 0 0 5 54
Overall total 27 5 25 4 2 21 0 5 0 1 0 10 100
  1. * Poor diet and Physical inactivity.
  2. ** Alcohol use and Recreational drug use.
  3. *** Alcohol use and Unsafe sexual behaviour.
  4. **** Poor diet, physical inactivity and tobacco smoking.
  5. Alcohol use and physical inactivity.
  6. Unsafe vehicle driving and alcohol use.
  7. §Tobacco smoking, alcohol use and recreational drug use.