Table 4.

Multivariable logistic modelling of determinants of anaemia, stratified by sex*.

	Adjusted OR (95% CI)*	P
Men**
Age, years		<0.001 (2df)
25–44	Reference
45–64	1.21 (0.53, 2.81)	0.6
65–78	4.63 (2.12, 10.09)	<0.001
Population group: Arabs vs Jews	2.17 (1.13, 4.16)	0.019
Atrophic gastritis (PGI <30 µg/L or PGI: PGII ratio <3) (yes vs no)	1.52 (0.59, 3.95)	0.3
H. pylori IgG positive CagA IgG positive vs the rest	0.89 (0.46, 1.72)	0.7
Regular smoking ≥1 cigarette/ day vs other	0.20 (0.08, 0.53)	0.001
Education:		0.11 (2df)
Some high school or less	0.67 (0.31,1.45)	0.3
High school certificate/some college	1.38 (0.63–3.04)	0.4
Academic education	Reference
Women**
Age, years		0.021 (2df)
25–44	Reference
45–64	0.55 (0.36, 0.85)	0.007
65–78	0.60 (0.36, 1.01)	0.056
Population group: Arabs vs Jews	2.15 (1.36, 3.38)	0.034
Atrophic gastritis (PGI <30 µg/L or PGI: PGII ratio <3) (yes vs no)	2.58 (1.48, 4.48)	0.001
H. pylori IgG positive CagA IgG positive vs the rest	1.40 (0.94, 2.07)	0.09
Regular smoking ≥1 cigarette/ day vs other	0.89 (0.47, 1.69)	0.7
Education:		0.5 (2df)
Some high school or less	1.31 (0.74, 2.34)	0.3
High school certificate/some college	1.06 (0.56, 1.99)	0.8
Academic education	Reference

*CagA: cytotoxin associated gene A; CI: confidence intervals; df: degrees of freedom; OR: odd ratio; PG: pepsinogen.

Adjusted for the variables included in the table.

**For men Nagelkerke R Square = 0.157, P = 0.9 by Hosmer and Lemeshow Test.

**For women Nagelkerke R Square = 0.091, P = 0.48 by Hosmer and Lemeshow Test.