Multivariate logistic regression results of various factors potentially associated with smoking from Irish European School Survey Project on Alcohol and Other Drugs (ESPAD) Surveys 2007–2015
| OR (95% CI) | |||
| Total | Male | Female | |
| Gender | |||
| Male | 1 | NA | NA |
| Female | 1.50 (1.25 to 1.80) | NA | NA |
| ESPAD year | |||
| 2007 | 1 | 1 | 1 |
| 2011 | 1.05 (0.85 to 1.28) | 1.20 (0.89 to 1.62) | 0.93 (0.70 to 1.23) |
| 2015 | 0.91 (0.70 to 1.18) | 1.17 (0.80 to 1.70) | 0.72 (0.50 to 1.03) |
| Access to cigarette | |||
| Difficult | 1 | 1 | 1 |
| Easy | 1.44 (1.01 to 2.07) | 1.12 (0.65 to 1.93) | 1.69 (1.04 to 2.74) |
| Do not know | 2.88 (2.02 to 4.10) | 2.54 (1.51 to 4.29) | 3.04 (1.87 to 4.92) |
| Perceived risk of smoking | |||
| Great/moderate risk | 1 | 1 | 1 |
| No/slight risk | 1.90 (1.58 to 2.28) | 1.65 (1.26 to 2.16) | 2.16 (1.67 to 2.80) |
| Do not know | 0.66 (0.27 to 1.59) | 0.45 (0.09 to 2.16) | 0.86 (0.28 to 2.61) |
| Perceived family relative wealth | |||
| About the same | 1 | 1 | 1 |
| Much better off | 1.33 (1.02 to 1.73) | 1.15 (0.78 to 1.69) | 1.42 (0.97 to 2.08) |
| Better off | 0.84 (0.68 to 1.05) | 0.68 (0.49 to 0.93) | 1.01 (0.75 to 1.36) |
| Less well off | 1.07 (0.74 to 1.56) | 0.92 (0.52 to 1.61) | 1.20 (0.73 to 1.99) |
| Parents know where students are on Saturday nights | |||
| Know always | 1 | 1 | 1 |
| Know quite often | 1.46 (1.18 to 1.82) | 1.78 (1.28 to 2.47) | 1.19 (0.88 to 1.61) |
| Know sometimes | 2.43 (1.89 to 3.13) | 2.28 (1.58 to 3.29) | 2.59 (1.81 to 3.70) |
| Usually do not know | 3.24 (2.29 to 4.59) | 4.79 (2.95 to 7.75) | 2.04 (1.23 to 3.36) |
| Relationship with mother | |||
| Satisfied | 1 | 1 | 1 |
| Neither nor | 1.33 (0.96 to 1.84) | 1.36 (0.80 to 2.31) | 1.34 (0.87 to 2.06) |
| Not satisfied | 1.82 (1.36 to 2.44) | 1.93 (1.19 to 3.14) | 1.81 (1.24 to 2.63) |
| Family structure | |||
| Two parents or more | 1 | 1 | 1 |
| One parent | 1.25 (0.97 to 1.61) | 0.92 (0.62 to 1.38) | 1.57 (1.12 to 2.20) |
| Skipping school | |||
| None | 1 | 1 | 1 |
| 1–4 days | 1.93 (1.57 to 2.38) | 1.99 (1.47 to 2.69) | 1.89 (1.42 to 2.52) |
| 5 days+ | 2.80 (1.91 to 4.11) | 2.46 (1.40 to 4.32) | 3.46 (2.00 to 5.99) |
| Friends that smoke | |||
| None | 1 | 1 | 1 |
| A few/some | 3.77 (2.32 to 6.13) | 3.63 (1.89 to 6.98) | 4.23 (2.02 to 8.86) |
| Most/all | 18.85 (11.39 to 31.22) | 14.06 (7.09 to 27.87) | 26.81 (12.51 to 57.48) |
Bold numbers indicate statistical significance at the 0.05 level.
NA, not applicable.