Table 3.
Unadjusted and adjusted differences from lowest Street Smart Walk Score quintile in BMI z-score, participants aged 6–17, by sex (n=3098)
| Sex | Quintile (Street Smart Walk Score range) | Unadjusted difference in BMI z-score (95% CI) | Adjusted* difference in BMI z-score (95% CI) | N for adjusted analysis |
| Male | Q1 (0–23) | REF | REF | 396 |
| Q2 (24–40) | −0.191 (−0.644 to 0.261) | −0.110 (−0.499 to 0.279) | 321 | |
| Q3 (41–58) | −0.303 (−0.677 to 0.071) | −0.239 (−0.537 to 0.058) | 326 | |
| Q4 (59–79) | − 0.460 ( − 0.812 to -0.107) | − 0.399 ( − 0.737 to -0.060) | 301 | |
| Q5 (80–100) | −0.373 (−0.859 to 0.113) | −0.333 (−0.804 to 0.139) | 227 | |
| Female | Q1 (0–23) | REF | REF | 366 |
| Q2 (24–40) | −0.009 (−0.208 to 0.190) | 0.050 (−0.220 to 0.320) | 335 | |
| Q3 (41–58) | 0.075 (−0.148 to 0.298) | 0.090 (−0.119 to 0.298) | 313 | |
| Q4 (59–79) | 0.086 (−0.236 to 0.408) | 0.161 (−0.129 to 0.452) | 265 | |
| Q5 (80–100) | 0.098 (−0.164 to 0.360) | 0.188 (−0.018 to 0.393) | 248 |
Statistically significant estimates at p<0.05 in bold. Q1=1st Walk Score quintile, Q2=2nd Walk Score quintile, Q3=3rd Walk Score quintile, Q4=4th Walk Score quintile, Q5=5th Walk Score quintile.
*Estimates adjusted for age category, cultural/racial origin, immigration to Canada in the past 10 years, household income quintile, fruit/vegetable consumption and survey cycle. Walk Score values from 2014. Remaining variables from 2007 to 2011 Canadian Health Measures Survey.
BMI, body mass index.