| Sources of effect | Number (%) Sexual activity
 | Unadjusted OR (95% CI)
 | Adjusted OR (95% CI)
 | 
      
        | Yes | No | 
      
        | Living with Both parents
 Other arrangements
 | 123
 254
 | 1841
          1325
 | 0.35(0.12-0.76)
 1.00
 | 0.48(0.21-0.83)
 1.00
 | 
      
        | Parental connectedness Yes
 No
 | 132
 245
 | 1658
 1508
 | 0.49(0.22-0.89)
 1.00
 | 0.51(0.22-0.96)
 1.00
 | 
      
        | Parenting style Authoritarian
 Authoritative
 Permissive
 Neglectful
 | 102
 68
 94
 309
 | 1451 858
 521
 | 0.21(0.17-0.82)
 0.23(0.18-0.89)
 0.52(0.39-1.34)
 1.00
 | 0.38(0.23-0.86)
 0.41(0.24-0.93)
 -------
 1.00
 | 
      
        | Parent Communication Yes
 No
 | 63
 314
 | 760
 2406
 | 0.63(0.29-0.91)
 1.00
 | 0.56(0.31- 0.94)
 1.00
 | 
      
        | Parental Monitoring Yes
 No
 | 124
 253
 | 1659
 1507
 | 0.44( 0.24-0.86)
 1.00
 | 0.52(0.32- 0.92)
 1.00
 |