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. 2010 Jun 4;7(6):2473–2485. doi: 10.3390/ijerph7062473

Table 1.

Definition of variables used in the models and its descriptive statistic.

Variable Definition Mean Std. Dev.
Ct Current cigarette consumption (ln) 2.207 0.746
Cit−1 One lag cigarette consumption (ln) 2.203 0.760
Pct Current price cigarette (ln) 4.623 0.701
Pat Current price alcohol (ln) 8.612 1.263
Ln-exp Monthly per-capita income (ln) 11.156 1.004
Working 1 if working, 0 otherwise 0.582 0.493
Ln-age Individual age (ln)
Child14 1 if children aged ≤14, 0 otherwise
Instruments (z)
Pct−1 One lag price cigarette (ln) 4.280 0.520
Wall 1 if dwelling wall is brick, 0 otherwise 0.588 0.492
Floor 1 if dwelling floor is permanent, 0 otherwise 0.155 0.362
Hhown 1 if dwelling is owned/bought, 0 otherwise 0.805 0.396
Moslem 1 if Moslem, 0 otherwise 0.871 0.335