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

Table 2 Results from mixed effects regression models for mean change in body weight for a one percent increase in fat 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	367	0.1647	[0.067, 0.262]	0.0010
ILI	∆ M12	349	0.2297	[0.108, 0.351]	0.0002
ILI	∆ M24	339	0.2076	[0.086, 0.329]	0.0009
Sex
Men	∆ M6	46	0.2045	[-0.147, 0.556]	0.2462
Men	∆ M12	43	0.1164	[-0.348, 0.581]	0.6136
Men	∆ M24	41	0.2989	[-0.408, 1.005]	0.3947
Women	∆ M6	321	0.1836	[0.083, 0.284]	0.0004
Women	∆ M12	306	0.2608	[0.136, 0.386]	< 0.0001
Women	∆ M24	298	0.2085	[0.086, 0.331]	0.0009
Race
AA	∆ M6	269	0.1429	[0.034, 0.252]	0.0103
AA	∆ M12	255	0.1973	[0.073, 0.322]	0.0020
AA	∆ M24	253	0.1259	[-0.004, 0.256]	0.0581
Other	∆ M6	98	0.2235	[0.014, 0.433]	0.0366
Other	∆ M12	94	0.3306	[0.025, 0.636]	0.0343
Other	∆ M24	86	0.3706	[0.085, 0.656]	0.0117
Age
Younger	∆ M6	116	0.2399	[0.038, 0.442]	0.0204
Younger	∆ M12	101	0.3585	[0.118, 0.599]	0.0039
Younger	∆ M24	101	0.1900	[-0.028, 0.408]	0.0874
Middle	∆ M6	124	0.1470	[-0.016, 0.310]	0.0762
Middle	∆ M12	122	0.1048	[-0.103, 0.313]	0.3202
Middle	∆ M24	120	0.1101	[-0.074, 0.294]	0.2390
Older	∆ M6	127	0.0540	[-0.103, 0.211]	0.4969
Older	∆ M12	126	0.2131	[0.011, 0.416]	0.0391
Older	∆ M24	118	0.2827	[0.024, 0.542]	0.0326
Food Security Status
Secure	∆ M6	263	0.1019	[-0.014, 0.218]	0.0845
Secure	∆ M12	250	0.2107	[0.067, 0.354]	0.0041
Secure	∆ M24	242	0.1631	[0.022, 0.304]	0.0233
Insecure	∆ M6	104	0.2883	[0.110, 0.467]	0.0018
Insecure	∆ M12	99	0.2105	[-0.021, 0.442]	0.0747
Insecure	∆ M24	97	0.2674	[0.017, 0.518]	0.0366

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

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