Background
Methods
The nutrinet-santé study
Study design and population of the ACTI-Cités study
Measures
Active commuting
Neighborhood education level
Assessment of residence and workplace or study location and commuting distance
Individual covariates
Analyses
Results
Variables | % or mean | N or SD |
---|---|---|
Individual variables | ||
Age (mean, years) | 41,88 | 10.98 |
Living with a child under the age of 13 y (%) | 33.18 | 388 |
Individual education (%) | ||
High | 42.26 | 494 |
Middle-high | 34.90 | 408 |
Middle-low | 16.85 | 197 |
Low | 5.99 | 70 |
“Département” of residence (%) | ||
Bas-Rhin “département” | 30.54 | 357 |
Rhône “département” | 69.46 | 812 |
Neighborhood social variable | ||
Neighborhood education (%) | ||
High | 24.64 | 288 |
Middle-high | 23.61 | 276 |
Middle-low | 27.54 | 322 |
Low | 24.21 | 283 |
Associations between neighborhood education level and active commuting
RR | 95% CI | RD | 95% CI | |
---|---|---|---|---|
Neighborhood education (vs. low) | ||||
High | 1.77 | (1.48, 2.13) | 0.29 | (0.21, 0.37) |
Middle high | 1.27 | (1.04, 1.55) | 0.09 | (0.01, 0.18) |
Middle low | 0.93 | (0.75, 1.15) | −0.02 | (−0.10, 0.54) |
RR | 95% CI | RD | 95% CI | |
---|---|---|---|---|
Neighborhood education (vs. low) | ||||
High | 1.42 | (1.24, 1.65) | 0.36 | (0.21, 0.50) |
Middle high | 1.23 | (1.05, 1.43) | 0.20 | (0.05, 0.36) |
Middle low | 1.04 | (0.89, 1.22) | 0.04 | (−0.12, 0.20) |
Neighborhood education level, distance to work and likelihood of reporting any active commuting
Main models | ||||
---|---|---|---|---|
Regression coefficients | Models 1a
| Models 2b
| ||
β | 95% CI | β | 95% CI | |
Neighborhood education | ||||
High | 0.52 | (0.34, 0.70) | 0.73 | (0.49, 0.98) |
Middle high | 0.19 | (−0.01, 0.39) | 0.45 | (0.18, 0.73) |
Middle low | −0.09 | (−0.30, 0.12) | 0.22 | (−0.07, 0.51) |
Low | Ref. | Ref. | ||
Distance to work | ||||
1 km increase in distance | −0.01 | (−0.02, 0.00) | 0.01 | (0.006, 0.02) |
Neighborhood education and commuting distance | ||||
High x Distance | - | −0.03 | (−0.05, −0.01) | |
Middle high x Distance | - | −0.03 | (−0.05, −0.01) | |
Middle low x Distance | - | −0.02 | (−0.04, 0.00) | |
Low x Distance | - | Ref. | ||
p-value for interaction | < 0.001 | |||
Stratified analyses | ||||
Estimated effect measures | RR | 95% CI | RD | 95% CI |
Neighborhood education at short distance to place of work/study (< 1500 m), N = 146 | ||||
High | 1.06 | (0.87, 1.29) | 0.08 | (−0.10, 0.26) |
Middle high | 0.87 | (0.69, 1.09) | −0.10 | (−0.31, 0.10) |
Middle low | 0.71 | (0.50, 1.02) | −0.22 | (−0.49, 0.04) |
Low | Ref. | Ref. | ||
Neighborhood education at long distance to place of work/study (> 1500 m), N = 1023 | ||||
High | 1.77 | (1.44, 2.20) | 0.27 | (0.18, 0.36) |
Middle high | 1.24 | (0.98, 1.56) | 0.08 | (−0.01, 0.17) |
Middle low | 0.97 | (0.77, 1.23) | 0.00 | (−0.08, 0.08) |
Low | Ref. | Ref. | ||
p-value for Cochran’s Q test | < 0.001 | 0.036 |
Neighborhood education level, distance to work and share of total commuting time spent active among active commuters
Main models | ||||
---|---|---|---|---|
Regression coefficients | Model 1a
| Model 2b
| ||
β | 95% CI | β | 95% CI | |
Neighborhood education | ||||
High | 0.11 | (−0.03, 0.25) | 0.21 | (0.04, 0.38) |
Middle high | 0.00 | (−0.14, 0.15) | 0.10 | (−0.08, 0.28) |
Middle low | −0.11 | (−0.25, 0.04) | 0.05 | (−0.15, 0.25) |
Low | Ref. | Ref. | ||
Distance to work | ||||
1 km increase in distance | −0.02 | (−0.03, − 0.02) | −0.02 | (−0.02, −0.01) |
Neighborhood education and Distance to work | ||||
High x Distance | - | −0.01 | (−0.03, 0.00) | |
Middle high x Distance | - | −0.01 | (−0.02, −0.01) | |
Middle low x Distance | - | −0.02 | (−0.03–0.00) | |
Low x Distance | - | Ref. | ||
p-value for interaction | 0.20 | |||
Stratified analyses | ||||
Estimated effect measures | RR | 95% CI | RD | 95% CI |
Effect of neighborhood education at short distance to work (<2500 m), N = 196 | ||||
High | 1.04 | (0.88, 1.22) | 0.03 | (−0.13, 0.20) |
Middle high | 1.02 | (0.85, 1.22) | 0.02 | (−0.16, 0.20) |
Middle low | 1.04 | (0.85, 1.27) | 0.04 | (−0.16, 0.24) |
Low | Ref. | Ref. | ||
Neighborhood education at long distance from work (>2500 m), N = 341 | ||||
High | 1.29 | (1.07, 1.56) | 0.26 | (0.07, 0.45) |
Middle high | 1.17 | (0.96, 1.41) | 0.15 | (−0.04, 0.34) |
Middle low | 1.02 | (0.85, 1.23) | 0.02 | (−0.17, 0.21) |
Low | Ref. | Ref. | ||
p-value for Cochran’s Q test | 0.080 | 0.082 |