Table 3. Association of Total Minutes Per Week of Moderate-to-Vigorous Physical Activity With Environmental Variables Among Mexican Adults, Overall and by Buffer, Cuernavaca, Mexico, 2011.
| Variable | Regression Estimate (SE) [P Value] |
|||
|---|---|---|---|---|
| Unadjusted | Adjusteda | |||
| Neighborhood safety | ||||
| Safe | 0 | 0 | ||
| Unsafe | 0.23 (16.38) [.99] | −1.33 (18.50) [.94] | ||
| Park safety | ||||
| Safe | 0 | 0 | ||
| Unsafe | −17.19 (10.11) [.11] | −23.17 (9.16) [.08] | ||
| Distance to park | ||||
| Very close (<313 m) | 0 | 0 | ||
| Medium (313 to <771 m) | −2.43 (16.86) [.87] | 12.93 (16.18) [.43] | ||
| Far (771 to <1,357 m) | −4.81 (22.20) [.83] | 6.13 (16.61) [.72] | ||
| Very far (≥1,357 m) | 10.59 (24.19) [.67] | 15.56 (18.02) [.40] | ||
| No. of public bus routes per buffer | ||||
| 0 | 0 | 0 | ||
| 1 | −12.69 (19.50) [.52] | −7.76 (20.02) [.70] | ||
| 2–7 | −17.99 (19.43) [.36] | −15.55 (23.82) [.52] | ||
| ≥8 | −51.72 (15.62) [.002] | −23.78 (10.61) [.04] | ||
|
| ||||
| Variable |
By Bufferb
|
|||
|
500 m
|
1 km
|
|||
| Unadjusted | Adjusteda | Unadjusted | Adjusteda | |
|
| ||||
| Net residential density (no. of single family units/km2 of residential land use in buffer) | ||||
| Low (<1,583) | 0 | 0 | 0 | 0 |
| Medium (1,583 to <2,174) | 1.02 (27.01) [.87] | −4.72 (23.1) [.84] | −37.60 (17.02) [.04] | −39.88 (18.20) [.04] |
| Medium-high (2,174 to <2,730) | −9.75 (26.88) [.72] | −39.10 (22.65) [.16] | −30.38 (21.45) [.24] | −40.42 (22.61) [.08] |
| High (≥2,730) | −16.12(23.56) [.50] | −30.58 (18.69) [.20] | 6.20 (12.31) [.81] | −15.99 (18.14) [.49] |
| Proportion of commercial land use (km2 designated to commercial land use/km2 of buffer) | ||||
| Low (0%) | 0 | 0 | 0 | 0 |
| Medium (0% to <15%) | 0.67 (21.47) [.98] | −2.77 (20.55) [.89] | −9.00 (25.80) [.73] | −0.37 (24.17) [.99] |
| Medium-high (15% to <25%) | −7.88 (24.93) [.75] | −9.48 (21.06) [.66] | −44.31 (20.64) [.04] | −26.26 (20.43) [.21] |
| High (≥25%) | −73.18 (16.92) [<.001] | −54.51 (15.53) [<.001]c | −35.53 (22.13) [.12] | −20.27 (20.85) [.34] |
| Land-use mixd | ||||
| Low (<0.25) | 0 | 0 | 0 | 0 |
| Medium (0.25 to <0.40) | 11.03 (18.18) [.55] | 6.29 (18.55) [.74] | 10.92 (19.07) [.57] | 14.44 (19.32) [.46] |
| Medium-high (0.40 to <0.50) | −36.34 (24.06) [.14] | −25.61 (20.89) [.23] | −18.09 (15.34) [.25] | −11.20 (15.24) [.47] |
| High (≥0.50) | −4.33 (26.73) [.87] | −12.68 (19.76) [.53] | −1.14 (24.20) [.96] | −0.39 (21.75) [.99] |
| Connectivity (no. of 3- and 4-way intersections/km2 of buffer) | ||||
| Low (<111) | 0 | 0 | 0 | 0 |
| Medium (111 to <135) | −31.87 (29.88) [.30] | −36.14 (22.05) [.11] | −6.93 (21.90) [.75] | −21.55 (16.94) [.21] |
| Medium-high (135 to <167) | −16.58 (30.20) [.59] | −22.63 (31.40) [.48] | −41.20 (18.82) [.04] | −35.51 (14.67) [.02] |
| High (≥167) | −3.71 (18.49) [.84] | −18.68 (18.25) [.32] | −16.71 (20.40) [.42] | −32.07 (17.49) [.09] |
| Walkability indexd | ||||
| Low (less than −45) | 0 | 0 | 0 | 0 |
| Medium (−45 to <15) | −23.78 (22.19) [.29] | −24.35 (18.31) [.20] | −8.35 (18.02) [.65] | −20.42 (18.91) [.29] |
| Medium-high (15 to <50) | −19.92 (30.83) [.52] | −27.11 (26.53) [.32] | −36.07 (21.03) [.10] | −12.89 (21.54) [.55] |
| High (≥50) | −25.88 (26.16) [.33] | −34.30 (21.69) [.13]c | 2.59 (23.42) [.91] | −46.91 (20.04) [.03] |
| No. of parks | ||||
| 0 | 0 | 0 | 0 | 0 |
| 1 | −13.23 (14.96) [.38] | −27.87 (14.90) [.05] | −19.25 (19.03) [.32] | −10.82 (16.98) [.53] |
| >2 | 45.03 (43.78) [.31] | 31.61 (35.60) [.38] | 5.25 (18.58) [.78] | −3.27 (17.73) [.86] |
a
Adjusted models control for total accelerometer wear time, sex, age, individual socioeconomic status, education, marital status, motor vehicle ownership, and body mass index.
b
For these variables, 1-km and 500-m street-network buffers were generated around each participant’s household.
c
Significant linear trend (P < .05).
d
See Appendix for definition.