Dietary intake during a pragmatic cluster-randomized weight loss trial in an underserved population in primary care

Table 1 Results from mixed effects regression models for mean change in body weight for a one unit increase in fruit and vegetable intake among the ILI group, overall and stratified by sex, race, age, and food security status during the 24-month trial

Group	Time	Sample Size	Estimate	95% CI	P-Value
ILI	∆ M6	378	-0.5860	[-0.949, -0.224]	0.0016
ILI	∆ M12	357	-0.3577	[-0.797, 0.081]	0.1098
ILI	∆ M24	347	-0.1489	[-0.608, 0.310]	0.5237
Sex
Men	∆ M6	46	-0.4517	[-1.691, 0.788]	0.4646
Men	∆ M12	42	-0.3288	[-1.777, 1.119]	0.6468
Men	∆ M24	40	-0.1459	[-1.927, 1.635]	0.8683
Women	∆ M6	332	-0.6189	[-0.998, -0.24]	0.0014
Women	∆ M12	315	-0.3674	[-0.832, 0.097]	0.1204
Women	∆ M24	307	-0.185	[-0.657, 0.287]	0.4411
Race
AA	∆ M6	278	-0.5897	[-0.967, -0.213]	0.0023
AA	∆ M12	262	-0.1989	[-0.634, 0.236]	0.3690
AA	∆ M24	258	-0.0070	[-0.467, 0.453]	0.9760
Other	∆ M6	100	-0.6056	[-1.557, 0.346]	0.2092
Other	∆ M12	95	-0.9925	[-2.247, 0.262]	0.1194
Other	∆ M24	89	-0.6154	[-1.947, 0.716]	0.3604
Age
Younger	∆ M6	121	-0.3937	[-1.011, 0.224]	0.2090
Younger	∆ M12	105	-0.3425	[-1.085, 0.400]	0.3623
Younger	∆ M24	106	-0.5186	[-1.357, 0.319]	0.2223
Middle	∆ M6	126	-1.0199	[-1.739, -0.301]	0.0058
Middle	∆ M12	124	-0.1818	[-0.920, 0.556]	0.6265
Middle	∆ M24	120	-0.4372	[-1.248, 0.374]	0.2876
Older	∆ M6	131	-0.5705	[-1.129, -0.012]	0.0455
Older	∆ M12	128	-0.6741	[-1.489, 0.141]	0.1041
Older	∆ M24	121	0.3205	[-0.426, 1.067]	0.3966
Food Security Status
Secure	∆ M6	272	-0.6067	[-1.039, -0.175]	0.0061
Secure	∆ M12	256	-0.3905	[-0.969, 0.188]	0.1847
Secure	∆ M24	249	-0.4617	[-1.052, 0.128]	0.1245
Insecure	∆ M6	106	-0.7629	[-1.413, -0.113]	0.0219
Insecure	∆ M12	101	-0.4366	[-1.100, 0.227]	0.1942
Insecure	∆ M24	98	0.1322	[-0.535, 0.800]	0.6948

Sample Size (n). 95% CI 95% Confidence Interval, ILI Intensive lifestyle intervention, AA African American. younger, 21–42 y; middle, 43–56 y; and older, 57–74 y

ISSN: 1475-2891