Bivariate analysis of ever using electronic cigarettes
| Independent variables | Electronic cigarettes use | p-value | |
|---|---|---|---|
| User (n = 193) | Non-user (n = 1,125) | ||
| n (%) | n (%) | ||
| Age (years) | 0.05 | ||
| 70 (17.5) | 329 (82.5) | |
| 123 (13.4) | 796 (86.6) | |
| Sex | <0.001 | ||
| 142 (29.0) | 348 (71.0) | |
| 52 (6.2) | 777 (93.8) | |
| School locations | <0.001 | ||
| 104 (19.3) | 436 (80.7) | |
| 89 (11.4) | 689 (88.6) | |
| Parents' education | 0.002 | ||
| 44 (97.8) | 1 (2.2) | |
| 85 (12.7) | 586 (87.3) | |
| 107 (17.8) | 495 (82.5) | |
| Cigarette use | <0.001 | ||
| 25 (3.0) | 797 (97.0) | |
| 74 (26.1) | 209 (73.9) | |
| 94 (44.1) | 119 (55.9) | |
| Family use | 0.001 | ||
| 1,100 (85.9) | 180 (14.1) | |
| 13 (34.2) | 25 (64.8) | |
| Peer use | <0.001 | ||
| 139 (12.8) | 948 (87.2) | |
| 54 (23.4) | 177 (76.6) | |
| Availability | <0.001 | ||
| 78 (9.7) | 728 (90.3) | |
| 115 (22.5) | 397 (77.5) | |
| Affordability | <0.001 | ||
| 111 (11.6) | 844 (88.4) | |
| 82 (22.6) | 281 (77.4) | |
| Independent variables | Electronic cigarettes use | ||
|---|---|---|---|
| User ( | Non-user ( | ||
| 0.05 | |||
15–16 | 70 (17.5) | 329 (82.5) | |
17–19 | 123 (13.4) | 796 (86.6) | |
| <0.001 | |||
Male | 142 (29.0) | 348 (71.0) | |
Female | 52 (6.2) | 777 (93.8) | |
| <0.001 | |||
Downtown | 104 (19.3) | 436 (80.7) | |
Suburban | 89 (11.4) | 689 (88.6) | |
| 0.002 | |||
| 44 (97.8) | 1 (2.2) | ||
Secondary | 85 (12.7) | 586 (87.3) | |
College degree | 107 (17.8) | 495 (82.5) | |
| <0.001 | |||
None | 25 (3.0) | 797 (97.0) | |
Lifetime | 74 (26.1) | 209 (73.9) | |
Current | 94 (44.1) | 119 (55.9) | |
| 0.001 | |||
No | 1,100 (85.9) | 180 (14.1) | |
Yes | 13 (34.2) | 25 (64.8) | |
| <0.001 | |||
No | 139 (12.8) | 948 (87.2) | |
Yes | 54 (23.4) | 177 (76.6) | |
| <0.001 | |||
Difficult | 78 (9.7) | 728 (90.3) | |
Easy | 115 (22.5) | 397 (77.5) | |
| <0.001 | |||
No | 111 (11.6) | 844 (88.4) | |
Yes | 82 (22.6) | 281 (77.4) | |
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