| | |
Ever use (n = 937 all students)
|
Regular use (n = 355 all who tried waterpipes)
|
|---|
| |
Totals
|
n (%)
|
Unadjusted OR (95%CI)
|
Adjusted OR (95%CI)2
|
n (%)
|
Unadjusted OR (95%CI)
|
Adjusted OR (95%CI)2
|
|---|
|
Age
| |
N/A
|
1.02 (0.97–1.07)1
|
1.00 (0.94–1.06)
|
N/A
|
0.91 (0.77–1.07)
|
0.90 (0.74–1.10)
|
|
Gender
| | | | | | | |
|
Female
|
544 (58.1)
|
193 (35.5%)
|
1.00
|
1.00
|
32 (16.6%)
|
1.00
|
1.00
|
|
Male
|
393 (41.9)
|
162 (41.2%)
|
1.28 (0.98–1.67)
|
1.49 (1.10–2.01)
|
43 (26.5%)
|
1.82 (1.09–3.04)
|
1.86 (1.07–3.23)
|
|
Ethnic group
| | | | | | | |
|
White
|
675 (72.0)
|
257 (38.1%)
|
1.00
|
1.00
|
48 (18.7%)
|
1.00
|
1.00
|
|
Asian
|
159 (17.0)
|
65 (40.9%)
|
1.13 (0.79–1.60)
|
1.21 (0.83–1.75)
|
16 (24.6%)
|
1.42 (0.75–2.71)
|
1.65 (0.85–3.23)
|
|
Chinese
|
36 (3.8)
|
5 (13.9%)
|
0.26 (0.10–0.68)
|
0.21 (0.08–0.56)
|
2 (40.0%)
|
2.90 (0.47–17.85)
|
2.51 (0.38–16.82)
|
|
Black
|
46 (4.9)
|
12 (26.1%)
|
0.57 (0.29–1.13)
|
0.61 (0.30–1.24)
|
3 (25.0%)
|
1.45 (0.38–5.56)
|
1.32 (0.33–5.36)
|
|
Arab
|
16 (1.7)
|
13 (81.3%)
|
7.05 (1.99–24.97)
|
6.44 (1.73–23.94)
|
5 (38.5%)
|
2.72 (0.85–8.69)
|
2.51 (0.74–8.51)
|
|
Other
|
5 (0.5)
|
3 (60.0%)
|
2.44 (0.41–14.70)
|
2.38 (0.33–17.02)
|
1 (33.3%)
|
2.18 (0.19–24.50)
|
1.80 (0.12–26.90)
|
|
Year of course
| | | | | | | |
|
1
|
350 (37.4)
|
101 (28.9%)
|
1.00
|
1.00
|
23 (22.8%)
|
1.00
|
1.00
|
|
2
|
372 (39.7)
|
158 (42.5%)
|
1.82 (1.34–2.48)
|
2.26 (1.61–3.18)
|
31 (19.6%)
|
0.83 (0.45–1.52)
|
1.25 (0.63–2.47)
|
|
3
|
215 (22.9)
|
96 (44.7%)
|
1.99 (1.40–2.84)
|
2.63 (1.74–3.96)
|
21 (21.9%)
|
0.95 (0.49–1.86)
|
1.79 (0.78–4.09)
|
|
Cig smoking
| | | | | | | |
|
No
|
849 (90.6)
|
286 (33.7%)
|
1.00
|
1.00
|
49 (17.1%)
|
1.00
|
1.00
|
|
Yes
|
88 (9.4)
|
69 (78.4%)
|
7.15 (4.22–12.11)
|
8.06 (4.63–14.01)
|
26 (37.7%)
|
2.93 (1.64–5.20)
|
2.77 (1.52–5.06)
|
- 1 For a 1 year increase in age.
- 2 Adjusted for all variables listed in table
