Table 3 Multilevel logistic regression results
Past 12 months alcohol use | Having 4+ drinks on a day | Weekly drinking | ||||
|---|---|---|---|---|---|---|
OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Level 1 variables | ||||||
Gender (Ref: Male) | ||||||
Female | 1.12 | (0.99, 1.27) | 0.85* | (0.74, 0.97) | 0.96 | (0.72, 1.28) |
Age | 2.21*** | (2.12, 2.30) | 2.29*** | (2.17, 2.42) | 2.32*** | (2.13, 2.53) |
Socio-economic index for area (Ref: Lowest quintile) | ||||||
2nd quintile | 1.25 | (0.98, 1.60) | 1.37 | (0.98, 1.93) | 1.76** | (1.19, 2.58) |
3rd quintile | 1.27 | (1.00, 1.61) | 1.46* | (1.01, 2.10) | 1.43* | (1.09, 1.87) |
4th quintile | 1.16 | (0.89, 1.51) | 1.24 | (0.90, 1.71) | 1.27 | (0.85, 1.89) |
Highest quintile | 1.26 | (1.02, 1.56) | 1.17 | (0.86, 1.60) | 1.47* | (1.05, 2.06) |
Australian born | 2.12*** | (1.64, 2.76) | 2.18** | (1.39, 3.41) | 1.56 | (0.95, 2.58) |
Parental supply of alcohol | a | 0.87 | (0.71, 1.07) | 1.04 | (0.70, 1.54) | |
Level 2 variables | ||||||
Prevalence of parental supply | 1.06*** | (1.04, 1.07) | 1.04*** | (1.03, 1.05) | 1.03 | (0.99, 1.07) |
Prevalence of peer supply | 1.04*** | (1.03, 1.06) | 1.01 | (0.98, 1.05) | 1.03 | (0.97, 1.08) |
Survey year (Ref: 2004) | ||||||
2007 | 0.90 | (0.79, 1.02) | 0.92 | (0.82, 1.03) | 0.77 | (0.54, 1.12) |
2010 | 0.81** | (0.69, 0.94) | 1.03 | (0.86, 1.23) | 0.57* | (0.36, 0.90) |
2013 | 0.65** | (0.51, 0.83) | 0.71* | (0.53, 0.96) | 0.43** | (0.24, 0.78) |