Table 3.

Intra-cluster correlations (ICCs) for nutritional outcomes by site of MDH enrollment among non-pregnant patients.

Outcome	% or mean (SD)	n/N or N	Sites	ICC (95% CI)
Severe anemia (hemoglobin<8.5 g/dL)
Prevalence at enrollment	20%	11,936/60,652	31	0.0048 (0.0024, 0.0098)
6 mo cumulative incidencea	10%	5827/57,144	24	0.0060 (0.0021, 0.0169)
12 mo cumulative incidencea	11%	7073/61,885	25	0.0082 (0.0033, 0.0198)
24 mo cumulative incidencea	13%	8376/65,127	26	0.0094 (0.0043, 0.0204)
Hemoglobin (g/dL)
Value at enrollment	10 (2)	65,619	43	0.0181 (0.0085, 0.0383)
Change from enrollment to 6 mo.	1 (2)	28,736	28	0.0074 (0.0026, 0.0205)
Change from enrollment to 12 mo.	1 (2)	25,782	27	0.0250 (0.0119, 0.0518)
Change from enrollment to 24 mo.	1 (3)	21,241	26	0.0258 (0.0123, 0.0533)
Underweight (BMI<18.5)
Prevalence at enrollment	25%	20,897/84,601	29	0.0281 (0.0159, 0.0492)
6 mo cumulative incidencea	11%	6916/63,658	22	0.0059 (0.0027, 0.0130)
12 mo cumulative incidencea	14%	8968/66,069	25	0.0067 (0.0032, 0.0141)
24 mo cumulative incidencea	16%	10,983/66,818	25	0.0066 (0.0031, 0.0136)
Overweight (BMI≥25)
Prevalence at enrollment	22%	18,516/84,631	30	0.0641 (0.0366, 0.1100)
6 mo cumulative incidencea	10%	7244/69,500	26	0.0022 (0.0007, 0.0072)
12 mo cumulative incidencea	17%	12,013/71,533	28	0.0112 (0.0076, 0.0263)
24 mo cumulative incidencea	23%	16,553/72,489	29	0.0259 (0.0131, 0.0506)
Obesity (BMI≥30)
Prevalence at enrollment	6%	5360/84,390	26	0.0130 (0.0065, 0.0258)
6 mo cumulative incidencea	3%	2609/82,013	23	0.0009 (0.0003, 0.0030)
12 mo cumulative incidencea	5%	4523/84,757	25	0.0013 (0.0005, 0.0036)
24 mo cumulative incidencea	8%	7006/85,716	25	0.0029 (0.0011, 0.0072)
BMI
Value at enrollment	22 (5)	83,594	31	0.0528 (0.0287, 0.0950)
Change from enrollment to 6 mo.	1 (3)	57,564	31	0.0122 (0.0056, 0.0265)
Change from enrollment to 12 mo.	2 (4)	48,218	27	0.0234 (0.0114, 0.0475)
Change from enrollment to 24 mo.	2 (4)	49,302	27	0.0159 (0.0068, 0.0031)

^aExcludes prevalent cases at baseline.