| Study Variables |
Smoking Status |
X2-value |
OR (95% CI) |
P-value |
| Smoker |
Non-smoker |
| Nationality |
|
|
|
|
|
| Saudi |
344 (9) |
3459 (91) |
38.8 |
1 |
< 0.0001 |
| Non-Saudi |
127 (16.5) |
641 (83.5) |
|
2.0 (1.6,2.5) |
|
| Educational stage |
|
|
|
|
|
| Primary |
47 (2.7) |
1685 (97.3) |
327.1 |
1 |
< 0.0001 |
| Preparatory |
143 (8.7) |
1496 (91.3) |
|
3.4 (2.4, 4.9) |
|
| High -Scientific |
242 (23.6) |
783 (76.4) |
|
11.1 (7.9, 15.5) |
|
| High –Literacy |
47 (18.4) |
208 (81.6) |
|
8.1 (5.2,12.7) |
|
| Type of School |
|
|
|
|
|
| Government – General |
323 (12) |
2359 (88) |
50.2 |
14.5 (3.5, 42.9) |
< 0.0001 |
| Government – Islamic |
18 (3.9) |
449 (96.1) |
|
4.2 (0.9, 9.7) |
|
| Private – General |
131 (10.6) |
1100 (89.4) |
|
12.6 (3.0, 39.0) |
|
| Private – Islamic |
2 (0.9) |
212 (99.1) |
|
1 |
|
| Living with |
|
|
|
|
|
| Parents |
435 (10.2) |
3813 (89.8) |
7.4 |
- |
0.12 |
| Father only |
10 (15.4) |
55 (24.6) |
|
|
|
| Mother only |
17 (10.9) |
139 (89.1) |
|
|
|
| Family (not parents) |
12 (18.8) |
52 (81.2) |
|
|
|
| Others |
7 (7.7) |
84 (92.3) |
|
|
|
| Daily Pocket Money |
|
|
|
|
|
| No pocket money |
24 (11.4) |
187 (88.6) |
45.7 |
1 |
< 0.0001 |
| 5 to 9 SR |
127 (7.8) |
1510 (92.2) |
|
0.65(0.40,1.1) |
|
| 10 to <50 SR |
152 (13.4) |
985 (86.6) |
|
1.2 (0.74, 1.95) |
|
| > 50 SR |
97 (14.9) |
556 (85.1) |
|
1.3 (0.82, 2.25) |
|
| Others |
72 (7.6) |
879 (92.4) |
|
0.64 (0.38, 1.1) |
|
| Education level of father |
|
|
|
|
|
| Does not read and write |
19 (15.6) |
103 (84.4) |
35.7 |
1.7 (0.94, 2.9) |
< 0.0001 |
| Reads and write only |
37 (13.1) |
246 (86.9) |
|
1.3 (0.89, 2.1) |
|
| Completed primary education |
40 (16.7) |
200 (83.3) |
|
1.8 (1.2,2.7) |
|
| Completed preparatory education |
60 (14.9) |
343 (85.1) |
|
1.6 (1.1, 2.2) |
|
| Complete high school education |
114 (13.5) |
732 (86.5) |
|
1.4(1.04,1.9) |
|
| Completed undergraduate education |
97 (7.8) |
1140 (92.2) |
|
0.80 (0.57, 1.03) |
|
| Holds a postgraduate degree |
101 (10.0) |
911 (90) |
|
1 |
|
| Education level of Mother |
|
|
|
|
|
| Does not read and write |
45 (15.3) |
249 (84.7) |
31.21 |
1.3 (0.9, 2.1) |
< 0.0001 |
| Reads and write only |
42 (9.2) |
415 (90.8) |
|
0.76 (0.49, 1.2) |
|
| Completed primary education |
57 (16.6) |
286 (83.4) |
|
1.5 (1.0, 2.3) |
|
| Completed preparatory education |
62 (12.3) |
444 (87.7) |
|
1.05 (0.70, 1.6) |
|
| Complete high school education |
113 (12.2) |
813 (87.8) |
|
1.04 (0.74,1.5) |
|
| Completed undergraduate education |
93 (7.9) |
1080 (92.1) |
|
0.65 (0.45, 0.93) |
|
| Holds a postgraduate degree |
58 (11.7) |
436 (88.2) |
|
1 |
|
| Father Smoke |
|
|
|
|
|
| Yes |
172 (17.3) |
824 (82.7) |
65.04 |
2.3 (1.8, 2.8) |
< 0.0001 |
| No |
293 (8.4) |
3185 (91.6) |
|
1 |
|
| Mother Smoke |
|
|
|
|
|
| Yes |
25 (21.9) |
89 (78.1) |
17.3 |
2.5 (1.6, 4.1) |
< 0.0001 |
| No |
439 (10.0) |
3966 (910) |
|
1 |
|
| Brother Smoke |
|
|
|
|
|
| Yes |
225 (25.2) |
668 (74.8) |
169.9 |
4.2 (3.3, 5.3) |
<0.0001 |
| No |
142 (7.4) |
1776 (92.6) |
|
1 |
|
| Sister Smoke |
|
|
|
|
|
| Yes |
5 (25) |
15 (75) |
4.5 |
2.9 (0.9, 8.5) |
0.035 |
| No |
247 (10.4) |
2121 (89.6) |
|
1 |
|
| Friends Smoke |
|
|
|
|
|
| None |
59 (2.1) |
2813 (97.9) |
864 |
1 |
< 0.0001 |
| Some of them |
207 (17) |
1009 (83) |
|
9.8 (7.2, 13.3) |
|
| Most of them |
130 (40.5) |
191 (59.5) |
|
32.4 (22.7, 46.3) |
|
| All of them |
72 (54.1) |
61 (45.9) |
|
56.3 (35.9, 88.3) |
|
|
