Table 2.
Unadjusted and adjusted associations (beta coefficients and 95% CIs) between risk subgroups identified using recursive partitioning analysis and body mass index percentile among 512 QUALITY study participants at baseline (2005–2008)
| Beta (95% CI) | ||
|---|---|---|
| Intercept | 54.9 (50.4; 59.5) | 78.4 (51.9; 105.0) |
| Group 1 (n = 132), obesity prevalence 7.6% | Reference | Reference |
| Group 2 (n = 97), obesity prevalence 11.3% | 13.3 (6.3; 20.3) | 12.3 (5.3; 19.3) |
| Group 3 (n = 163), obesity prevalence 26.4% | 16.0 (9.8; 22.1) | 15.8 (9.6; 22.0) |
| Group 4 (n = 39), obesity prevalence 28.2% | 22.0 (12.4; 31.6) | 22.6 (13.1; 32.1) |
| Group 5 (n = 37), obesity prevalence 40.5% | 25.1 (15.3; 34.8) | 23.8 (14.1; 33.5) |
| Group 6 (n = 25), obesity prevalence 60.0% | 31.9 (20.4; 43.3) | 31.8 (20.4; 43.1) |
| Group 7 (n = 19), obesity prevalence 63.2% | 34.4 (21.6; 47.3) | 32.7 (19.9; 45.4) |
| Child’s age | −3.3 (−6.1; −0.5) | |
| Sex, boys (Vs. girls) | 6.7 (1.5; 11.8) | |
| Puberty initiated at baseline (Vs. not initiated) | 10.4 (3.9; 16.9) | |
| Parental education | ||
| ≥1 parent with university degree | Reference | |
| ≥1 parent with technical/vocational/trade school degree | 5.0 (0.1; 9.9) | |
| 2 parents with high school degree or less | 7.6 (−1.1; 16.2) | |
Abbreviations: CI, Confidence interval; QUALITY, Quebec Adipose and Lifestyle Investigation in Youth.