Table 4.
Odds ratios (OR) and 95% confidence intervals (95% CI) for the association between sociodemographic characteristics, social network variables, general perceived social support from friends, physical activity, and sedentary behaviour for girls (n = 535).
| Sufficiently active (≥60 min of MVPA every day) | High sedentary (>2 hrs/day of sedentary behaviour) | |||
|---|---|---|---|---|
| Adjusted main effects OR (95% CI) |
Adjusted main effects and interaction OR (95% CI) |
Adjusted main effects OR (95% CI) |
Adjusted main effects and interaction OR (95% CI) |
|
| Sociodemographic characteristics | ||||
| School | ||||
| A# | 1.00 | 1.00 | 1.00 | 1.00 |
| B | 0.17 (0.03–1.04) | 0.16 (0.03–1.00) | 1.73 (0.78–3.88) | 1.79 (0.80–4.03) |
| C | 0.86 (0.24–3.15) | 0.81 (0.22–2.94) | 2.89 (1.22–6.83)∗ | 3.10 (1.30–7.38)∗ |
| D | 0.83 (0.16–4.24) | 0.90 (0.17–4.66) | 1.21 (0.46–3.18) | 1.20 (0.46–3.16) |
| E | 0.38 (0.07–2.01) | 0.38 (0.07–2.07) | 2.71 (1.03–7.13)∗ | 2.85 (1.08–7.52)∗ |
| F | 0.96 (0.19–4.73) | 0.99 (0.20–4.89) | 6.18 (1.94–19.64)∗ | 6.87 (2.11–22.35)∗ |
| Age | ||||
| 12 yrs and younger# | 1.00 | 1.00 | 1.00 | 1.00 |
| 13 yrs | 0.68 (0.27–1.74) | 0.69 (0.27–1.79) | 1.19 (0.66–2.17) | 1.16 (0.64–2.12) |
| 14 yrs and older | 0.50 (0.14–1.80) | 0.48 (0.13–1.77) | 1.61 (0.78–3.35) | 1.63 (0.78–3.41) |
| Family affluence | ||||
| Low# | 1.00 | 1.00 | 1.00 | 1.00 |
| Middle | 0.88 (0.31–2.49) | 0.79 (0.28–2.27) | 1.11 (0.60–2.07) | 1.09 (0.58–2.04) |
| High | 1.46 (0.53–4.03) | 1.41 (0.51–3.92) | 1.15 (0.61–2.18) | 1.16 (0.61–2.21) |
| Length of time in Canada | ||||
| More than 5 years# | 1.00 | 1.00 | 1.00 | 1.00 |
| 5 years or less | 0.54 (0.15–2.01) | 0.61 (0.16–2.28) | 0.76 (0.37–1.55) | 0.76 (0.37–1.56) |
| Number of times moved last year | ||||
| Did not move# | 1.00 | 1.00 | 1.00 | 1.00 |
| Moved at least once | 1.55 (0.70–3.42) | 1.60 (0.72–3.54) | 0.82 (0.48–1.40) | 0.91 (0.53–1.58) |
| Social network characteristics | ||||
| Density | ||||
| Low (density <12%)# | 1.00 | 1.00 | 1.00 | 1.00 |
| High (density ≥12%) | 1.05 (0.30–3.65) | 1.07 (0.30–3.81) | 1.43 (0.70–2.94) | 1.48 (0.72–3.04) |
| Proportion of active close friends | 1.14 (1.02–1.27)∗ | 1.15 (1.03–1.28)∗ | 0.94 (0.88–1.01) | 0.94 (0.88–1.00) |
| Proportion of sedentary close friends | 1.02 (0.88–1.19) | 0.00 (0.00–0.90)∗ | 0.96 (0.88–1.05) | 0.96 (0.88–1.05) |
| Betweenness centrality | 0.96 (0.87–1.07) | 0.96 (0.86–1.06) | 1.04 (0.97–1.11) | 1.76 (0.96–3.22) |
| Popularity | 0.99 (0.91–1.07) | 0.98 (0.91–1.07) | 1.03 (0.99–1.10) | 1.03 (0.98–1.09) |
| Clique member | ||||
| Member# | 1.00 | 1.00 | 1.00 | 1.00 |
| Not a member | 0.84 (0.34–2.04) | 0.75 (0.30–1.86) | 1.38 (0.80–2.41) | 39.86 (1.54–1034.20)∗ |
| General perceived social support from friendsa | 1.06 (0.55–2.04) | 0.14 (0.02–0.88) | 0.98 (0.65–1.48) | 1.88 (0.99–3.55) |
|
| ||||
| Interactions | ||||
| Proportion of sedentary close friends ∗ General perceived social support from friends | 1.31 (1.04–1.67)∗ | |||
| Clique member ∗ General perceived social support from friends | 0.38 (0.15–0.96)∗ | |||
*P < 0.05, #referent category, aaverage general perceived social support index: 1 = received support none of the time to 4 = received support all of the time in increments of 0.25, MVPA: moderate-to-vigorous physical activity, OR: odds ratio, CI: confidence interval.