Table 4 Multivariate attrition analyses predicting those who were lost to follow-up at 30 year
Predicting variablesa | Odds of being lost to follow-up | |
|---|---|---|
Unadjusted | Adjustedb | |
OR (95 % CI) | OR (95 % CI) | |
Gender | ||
Male (Ref.) | 1.0 | 1.0 |
Female | 0.4 (0.4–0.5) | 0.5 (0.4–0.5) |
Marital status | ||
Never married (Ref.) | 1.0 | 1.0 |
Cohabitation | 0.9 (0.8–1.1) | 1.0 (0.8–1.2) |
Married | 0.8 (0.5–1.1) | 0.9 (0.6–1.3) |
Sep-Div-Wid | 2.2 (0.9–5.4) | 2.4 (0.9–6.5) |
Educational level | ||
Lower secondary school (Ref.) | 1.0 | 1.0 |
Secondary school | 0.4 (0.3–0.5) | 0.4 (0.4–0.5) |
College-TAFE/Uni | 0.4 (0.3–0.5) | 0.4 (0.4–0.5) |
Income | ||
$160+ per week (Ref.) | 1.0 | 1.0 |
$0 to $159 per week | 0.7 (0.6–0.8) | 0.7 (0.6–0.8) |
Impulsive behaviours | ||
Nomal (Ref.) | 1.0 | 1.0 |
High | 0.9 (0.7–1.2) | 0.9 (0.7–1.1) |
Maternal alcohol consumption trajectories | ||
Abstainers (Ref.) | 1.0 | 1.0 |
Low-stable drinkers | 0.8 (0.7–.0) | 0.8 (0.7–1.0) |
Moderate-escalating drinkers | 0.8 (0. 6–0.9) | 0.8 (0.6–1.0) |