Appendix Table A.1.
Comparison of included cases (movers with complete data) and excluded cases (non-movers, movers with incomplete data) on baseline characteristics
| Characteristics | Included cases | Excluded cases a | |
|---|---|---|---|
| Movers with complete data (n=1,079) | Non-movers (n=1,661) | Movers with incomplete data (n=429) | |
| Built environment exposure | |||
| Walkability index | 20.14 (7.70) | 19.73 (7.53) | 20.26 (7.90) |
| Health outcomes | |||
| Physical activity from walking | |||
| Participation (%) | 75.72 | 76.27 | 76.47 |
| Exercise units | 49.31 (50.59) | 49.61 (51.10) | 50.54 (51.86) |
| Body mass index, kg/m2 | 28.41 (6.50) | 28.77 (6.81) | 29.10 (7.39)* |
| Waist circumference, cm | 88.79 (15.01) | 89.09 (14.91) | 90.63 (16.59)** |
| Systolic blood pressure, mmHg | 112.24 (13.69) | 112.94 (15.18) | 114.20 (15.26)** |
| HOMA-IR (insulin resistance) | 2.30 (1.81) | 2.41 (2.14) | 2.94 (3.49)*** |
| Triglycerides, mg/dL | 95.37 (57.22) | 104.63 (96.72)*** | 126.60 (139.34)*** |
| LDL cholesterol, mg/dL | 113.44 (33.90) | 112.88 (30.71) | 114.13 (34.80) |
| HDL cholesterol, mg/dL | 51.29 (14.49) | 50.83 (14.51) | 49.54 (15.03)** |
| C-reactive protein, ug/mL | 3.11 (5.06) | 3.29 (5.87) | 3.33 (5.01) |
| Atherogenic dyslipidemia (%) | 9.27 | 11.56* | 14.45*** |
| Sociodemographic covariates | |||
| Age, in years | 39.67 (3.68) | 40.76 (3.45)*** | 39.86 (3.69) |
| Female (%) | 54.77 | 58.34* | 55.94 |
| White race/ethnicity (vs. black) (%) | 49.12 | 60.14*** | 51.52 |
| More than high school (vs. less/equal) (%) | 58.20 | 65.02*** | 55.40 |
| Income, in thousands of U.S. dollars | 62.51 (38.86) | 73.29 (37.77)*** | 57.94 (37.71)** |
| Household size | 3.04 (1.61) | 3.26 (1.47)*** | 3.03 (1.60) |
| Currently married (%) | 46.80 | 62.17*** | 46.59 |
| Currently working (%) | 85.82 | 87.12 | 82.05* |
| Health covariates | |||
| Current smoker (%) | 23.63 | 16.13*** | 26.81 |
| Health problems interfere with PA (%) | 14.55 | 16.93* | 16.86 |
| On medication(s) for hypertension (%) | 6.58 | 7.71 | 7.71 |
| On medication(s) for cholesterol (%) | 1.11 | 2.65** | 2.56** |
LDL = low-density lipoprotein, HDL = high-density lipoprotein, PA = physical activity, HOMA-IR = homeostasis model assessment of insulin resistance
*
significant at 90% confidence
**
significant at 95% confidence
***
significant at 99% confidence
a
significance levels for group differences (relative to included cases) based on p-value from ANOVA for continuous variables, χ2 test for categorical variables