Table 2 Descriptive statistics (N = 14,689)
Variable | Definition | Mean/proportion | Standard deviation |
|---|---|---|---|
Residential walkability and weight measures | |||
RESWALK | Factor score for neighbourhood walkability | −0.24 | 0.98 |
BMI | Weight in kg divided by height in meters squared | 24.27 | 4.88 |
BMIBG ≥ 25 | Proportion of the women with a BMI > 25.0 | 0.32 | 0.47 |
D Variables (Exogenous): Hypothesized to affect BMI and residential walkability | |||
AGE | Age in years | 25.58 | 3.98 |
EDUC | Years of schooling | 13.93 | 1.88 |
MARRIED | 1 = married | 0.89 |  |
BMIYR | Year of pregnancy (1 = 1995… 11 = 2005) | 6.02 | 3.12 |
SIBBMI | Average age and year standardized sibling BMI residual | −0.03 | 0.71 |
Z Variables hypothesized to affect residential walkability only | |||
NSCHOOL | Number of schools | 0.61 | 0.90 |
NCHURCH | Number of churches | 0.91 | 0.87 |
LIBRARY | Presence of one or more public libraries (1 = yes) | 0.04 | 0.21 |
UNDER16 | Proportion of the population ≤ Age 15 | 0.24 | 0.08 |