Table 4.

Independent predictors of knowledge scores (N=5817)

	B*	95.0% CI*	p -value
Intervention
Pre	1.0	Reference
Post	1.944	1.834, 2.054	< 0.001
Gender
Male	1.0	Reference
Female	0.421	0.309, 0.532	< 0.001
Provinces
Capital city (Beirut)	1.0	Reference
Central Province (Mount Lebanon)	0.356	0.182, 0.530	<0.001
Southern Province (South Lebanon)	1.009	0.844, 1.173	< 0.001
Northern Province (North Lebanon)	0.566	0.362, 0.769	< 0.001
Eastern Province (Bekaa valley)	0.783	0.475, 1.090	0.001
East southern province (Nabatieh)	1.128	0.918, 1.337	< 0.001
School type
Public	1.0	Reference
Private	0.286	0.147, 0.425	< 0.001
Grade Level
Grade 10	1.0	Reference
Grade 11	0.221	−0.017, 0.458	0.069
Grade 12	0.506	0.261, 0.751	< 0.001
Technical baccalaureate 3 (BT3)	0.931	0.406, 1.455	0.001

In the following table, only mixed classes is included in the analysis.

*B: Regression coefficient, CI: confidence interval.