Prevalence, Knowledge, Attitude, and Predictors of Waterpipe Smoking among School Adolescents in Saudi Arabia
Table 5
Modeling of waterpipe smoking using logistic regression.
Predictors
B
value
OR
95% C.I. for OR
Lower
Upper
Age (reference group is over 18)
0.51
13 to 15
−0.16
0.84
0.85
0.17
4.17
16 to 18
−0.59
0.33
0.55
0.16
1.845
School (reference group is senior school)
−0.09
0.87
0.91
0.29
2.86
Housing (reference group is village)
−0.94
0.06
0.38
0.141
1.07
Education (reference group is special education)
1.36
0.05
3.89
0.973
15.60
Expenses (reference group is more than 300 SR)
0.12
0.73
1.13
0.54
2.37
Cigarettes (reference group is no)
−3.9
0.01
0.01
0.00
0.04
Depressive disorders (yes/no)
1.10
0.01
3.02
1.77
5.17
Attitude index
0.92
0.03
2.51
1.06
5.95
Constant
−1.66
0.10
0.19
• Modeling of waterpipe use was performed using logistic regression and its prospective predictors. These included age, school stage, cigarette smoking, kind of education, monthly expenses, depression status, and attitude index. • Hosmer and Lemeshow goodness of fit test χ2 = 5.532, = 0.699; −2 log likelihood ratio = 205.097. • B: regression coefficient; OR: odds ratio; C.I.: confidence intervals.