Table 2.

Relationship between obesity and serum vitamin D concentrations in older Mexican adults in a subsample of 3rd wave of Mexican Health and Aging Study, n = 1772.

Body Mass Index	Unadjusted		Adjusted b
	First Tertile RRR a (95% CI) c	Second Tertile RRR a (95% CI) c	First Tertile RRR a (95% CI) c	Second Tertile RRR a (95% CI) c
Under/Normal weight	Ref	Ref	Ref	Ref
Overweight	1.30 (0.97–1.75)	1.47 (1.10–1.98)	1.34 (0.97–1.84)	1.52 (1.12–2.06)
Obesity	1.98 (1.46–2.67)	2.03 (1.50–2.77)	1.78 (1.27–2.48)	1.94 (1.40–2.68)

Bolding indicates statistical significance at p-value < 0.05. ^a RRR stands for relative risk ratio. ^b Models adjusted by sex, age, marital status, health insurance status, region of residence, smoking, physical activity, and HbA1c. ^c 95% confidence interval