Table 2.

Unadjusted associations between food security (FS) and smoking outcomes

	Cross-sectional association between FS status and current smoking	Longitudinal fixed-effect model examining changes in FS and current smoking	Longitudinal tobit model examining FS status and smoking intensity
	OR (95% CI)	OR (95% CI)	Relative difference (95% CI)
Current FS
High FS
Marginal FS	1.64*** (1.26 to 2.14)	1.49* (1.04 to 2.13)	1.16*** (1.07 to 1.26)
Low FS	1.90*** (1.46 to 2.48)	1.77** (1.17 to 2.67)	1.22*** (1.11 to 1.33)
Very low FS	2.44*** (1.84 to 3.23)	1.62* (1.01 to 2.58)	1.17** (1.06 to 1.30)
Observations	2228	1766	11 674
No of Unique IDs	2228	351	2553

*p<0.05, **p<0.01, ***p<0.001.