Table 6 Unadjusted and adjusted association between dietary diversity score (DDS) with food security status^d among older people living in Tehran, Iran (N = 511)

FS

1.00 Ref

FI without hunger

OR (95% CI) unadjusted

0.771 (0.254–2.341)

OR (95% CI) adjusted^b

0.915 (0.291–2.881)

OR (95% CI) adjusted^c

1.384 (0.402–4.762)

FI with moderate hunger

OR (95% CI) unadjusted

1.073 (0.227–5.067)

OR (95% CI) adjusted^b

1.500 (0.304–7.406)

OR (95% CI) adjusted^c

2.802 (0.464–16.919)

FI with severe hunger

OR (95% CI)^a unadjusted

0.275(0.056–1.360)

OR (95% CI) adjusted^b

0.250 (0.050–1.266)

OR (95% CI) adjusted^c

0.263 (0.047–1.468)