Article Figures & Data
Figures
- Figure 1.
Assignment of patients to treatment groups for the Americans in Motion Healthy Intervention (AIM-HI) clinical trial.
Tables
Variables Limited Feedback (n = 304) Enhanced Feedback (n = 306) P value Sex Female 227 (74.7) 239 (78.1) .3181 Male 77 (25.3) 67 (21.9) Racial background White 174 (57.2) 177 (57.8) .7117 African American 50 (16.4) 53 (17.3) Other 58 (19.1) 49 (16.0) Missing 22 (7.2) 27 (8.8) Ethnicity Non-Hispanic/Latino 249 (81.9) 263 (85.9) .1743 Hispanic/Latino 55 (18.1) 43 (14.1) Education Less than high school 13 (4.3) 14 (4.6) .7647 High school grad/GED 82 (27.0) 77 (25.2) Some college/graduate school 187 (61.5) 186 (60.8) Missing 22 (7.2) 29 (9.5) Income ($) <20,000 66 (21.7) 59 (19.3) .5084 20,001–50,000 104 (34.2) 98 (32.0) 51,001–75,000 41 (13.5) 46 (15.0) >75,000 64 (21.1) 61 (19.9) Missing 29 (9.5) 42 (13.7) Marital status Single 53 (17.4) 64 (20.9) .6562 Married 180 (59.2) 168 (54.9) Separated/divorced/widowed 55 (18.1) 59 (19.3) Missing 16 (5.3) 15 (4.9) Data are n (%).
- Table 2. Baseline Survey Data (Continuous Descriptors) for Outcome Variables for Limited and Enhanced Feedback Groups*
Variables Limited Feedback (n = 304) Enhanced Feedback (n = 306) P value Mean SD Mean SD Imputed age 44.73 12.69 43.02 11.92 .0874 Systolic blood pressure 127.3 16.26 125.9 15.46 .2882 PrimeScreen–AimHi −0.049 0.384 −0.065 0.385 .6017 Overall health variable: self-report 0.017 0.674 −0.012 0.700 .6356 Median IQR Median IQR BMI 35.55 33.0–41.0 35.00 32.0–40.0 .1968 Fitness 4.000 2.0–6.0 4.000 2.0–6.0 .3369 SF-12 mental score −0.030 −0.9–0.5 −0.268 −1.1–0.5 .2089 ↵* Means and standard deviations (SDs) reported for data with normal distribution. Medians (25th to 75th percentiles) reported for data with nonnormal distribution.
BMI, body mass index; IQR, interquartile range; SF-12, 12-item Short Form.
- Table 3. One Degree of Freedom Contrast Estimates of the Repeated Mixed Effects Multivariate Regression Model
Outcome Limited Feedback Patient Group Baseline (n = 304) 4 Months (n = 214) 10 Months (n = 185) Estimate SE Estimate SE Change from Base P Estimate SE Change from Base P BMI* 37.7 0.72 37.4 0.72 .014 37.6 0.72 .242 Systolic blood pressure† 128.8 1.75 128.9 1.81 .985 129.6 1.84 .450 Fitness* 3.9 0.27 4.2 0.28 .010 4.2 0.28 .048 PrimeScreen* 0.0 0.04 0.1 0.04 .000 0.1 0.04 .000 SF-12 mental score* 0.0 0.12 0.2 0.12 .001 0.1 0.12 .304 HealthState* 65.7 2.54 65.3 2.67 .827 69.5 2.73 .041 Enhanced Feedback Patient Group Baseline (n = 306) 4 Months (n = 184) 10 Months (n = 192) Estimate SE Estimate SE Change from Base P Estimate SE Change from Base P BMI* 36.9 0.72 36.7 0.72 0.115 36.6 0.72 0.054 Systolic blood pressure† 128.0 1.77 128.5 1.85 0.621 125.5 1.85 0.011 Fitness* 3.9 0.28 4.0 0.28 0.245 3.9 0.28 0.771 PrimeScreen* 0.0 0.04 0.1 0.04 0.000 0.2 0.04 0.000 SF-12 mental score* −0.2 0.12 0.0 0.12 0.027 0.0 0.12 0.031 HealthState* 66.7 2.56 67.9 2.74 0.497 70.7 2.74 0.023 The models were adjusted for repeated measures, clustering of patients within practices, age, comorbidities, education, sex, income, marital status, race, and ethnicity.
↵* Multivariate model: P < .05, time.
↵† Multivariate model: P < .05, time by patient group interaction.
BMI, body mass index; SE, standard error; SF-12, 12-item Short Form.
- Table 4. One Degree of Freedom Contrast Estimates of the Repeated Mixed Effects Multivariate Regression Model: Mean Difference in Change from Baseline by Patient Intervention Group
Outcome Change Between Groups at 4 Months† Change Between Groups at 10 Months† P Value Mean 95% Confidence Interval Mean 95% Confidence Interval BMI 0.095 −0.220 to 0.410 −0.085 −0.406 to 0.237 .583 Systolic blood pressure* 0.478 −2.224 to 3.180 −3.262 −6.011 to −0.513 .025 Fitness −0.168 −0.493 to 0.158 −0.207 −0.532 to 0.118 .392 PrimeScreen 0.013 −0.050 to 0.076 0.055 −0.009 to 0.119 .232 SF-12 mental score −0.077 −0.270 to 0.116 0.078 −0.120 to 0.276 .356 HealthState 1.602 −3.248 to 6.452 0.304 −4.627 to 5.235 .802 The models were adjusted for repeated measures, clustering of patients within practices, age, comorbidities, education, sex, income, marital status, race, and ethnicity.
↵* Multivariate model: P < .05, time by patient group interaction.
↵† Coefficients are in terms of differential change from baseline by the enhanced feedback group compared to the limited feedback group.
BMI, body mass index; SF-12, 12-item Short Form.
Limited (n = 183) Enhanced (n = 191) P value Weight loss .2 0–<5 25 34 ≥5 15 18 Weight gain 0–<5 46 37 ≥5 13 12 Data are percentages. Columns do not total 100% because of rounding.
