Table 3.

Proportion of weight loss maintainers and controls meeting the estimated average requirement for vitamins based on age and sex.

		Control (N = 102)	WLM (N = 1207)	Chi-sq p-Value a	Odds Ratio (95% CI) b
Vitamin A	Diet	48.0%	71.4%	0.0001 *	2.28 (1.42–3.66); p = 0.001 *
	Diet + Suppl	69.6%	85.9%	0.0001 *	2.82 (1.68–4.75); p = 0.0001 *
Thiamin (B1)	Diet	64.7%	73.9%	0.044 *	1.72 (1.07–2.78); p = 0.026
	Diet + Suppl	77.5%	88.1%	0.002 *	2.33 (1.33– 4.09); p = 0.003
Riboflavin (B2)	Diet	89.2%	98.0%	0.0001 *	5.33 (2.11–13.5); p = 0.0001 *
	Diet + Suppl	92.2%	99.0%	0.0001 *	6.54 (2.21–19.34); p = 0.001 *
Niacin (B3)	Diet	82.4%	87.4%	0.145	1.64 (0.90–2.98); p = 0.110
	Diet + Suppl	90.2%	94.7%	0.059	1.85 (0.82–4.14); p = 0.136
Vitamin B6	Diet	65.7%	76.6%	0.014 *	2.29 (1.41–3.73); p = 0.001 *
	Diet + Suppl	79.4%	88.9%	0.004 *	2.91 (1.61–5.24); p = 0.0001 *
Vitamin B12	Diet	85.3%	86.6%	0.716	1.12 (0.58–2.13); p = 0.741
	Diet + Suppl	92.2%	93.5%	0.613	1.23 (0.53–2.84); p = 0.625
Vitamin C	Diet	56.9%	85.3%	0.0001 *	4.29 (2.63–7.00); p = 0.0001 *
	Diet + Suppl	71.6%	92.7%	0.0001 *	4.97 (2.80–8.80); p = 0.0001 *
Vitamin D	Diet	4.9%	5.3%	0.862	1.22 (0.44–3.44); p = 0.704
	Diet + Suppl	42.2%	54.0%	0.021 *	1.49 (0.94–2.35); p = 0.090
Vitamin E	Diet	11.8%	11.1%	0.838	0.87 (0.44–1.72); p = 0.680
	Diet + Suppl	46.1%	61.2%	0.003 *	1.76 (1.12–2.77); p = 0.014
Folate	Diet	53.9%	63.6%	0.051	1.72 (1.09–2.72); p = 0.020
	Diet + Suppl	70.6%	83.1%	0.002 *	2.20 (1.32–3.68); p = 0.003

WLM = Weight loss maintainers; * statistically significant difference between the control and weight loss maintainer groups; ^a Proportions were unadjusted; ^b Odds ratio adjusted for group, age, sex, employment, education, marital status, race, income, and maximum weight in kg.