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Table 2 Factors in a multivariate analysis that were associated with sexual intercourse in past 12 months among in-school adolescents in Zambia

From: Harmful lifestyles' clustering among sexually active in-school adolescents in Zambia

Factor Adjusted OR
Age  
<15 1
15 1.06 (1.03–1.10)
16+ 1.74 (1.70–1.79)
Sex  
Male 1
Female 0.66 (0.64–0.67)
Number of close friends  
0 1
1 1.28 (1.24–1.32)
2 + 0.98 (0.95–1.01)
Parental supervision  
Never 1
Rarely or sometimes 1.26 (1.23–1.29)
Most of the times or always 0.92 (0.90–0.95)
Days drank alcohol past 30 days  
0 1
1 or 2 1.12 (1.08–1.15)
3+ 1.09 (1.06–1.14)
Number of time ever used marijuana  
0 1
1 or 2 1.70 (1.65–1.75)
3+ 1.25 (1.20–1.29)
Number of times ever been drunk  
0 1
1 or 2 1.14 (1.11–1.18)
3+ 1.13 (1.09–1.18)