Table 1.
Lifestyle factors
| Girls | Boys | |||||
|---|---|---|---|---|---|---|
| Cases (n = 47) | Controls (n = 46) | P- value | Cases (n = 76) | Controls (n = 54) | P- value | |
| Baseline | ||||||
| Age | 7.7 (0.6) | 7.9 (0.6) | 0.07 | 7.8 (0.6) | 7.9 (0.6) | 0.23 |
| Lifestyle factors | ||||||
| Excluding dairy products | 0 | 3 (7%) | 0.11 | 1 (1%) | 7 (13%) | <0.01 |
| Drinking coffee | 3 (6%) | 1 (2%) | 0.62 | 3 (4%) | 0 | 0.27 |
| Smoking | 0 | 0 | NA | 0 | 0 | NA |
| Alcohol | 0 | 0 | NA | 0 | 0 | NA |
| Tried to lose weight | 1 (2%) | 0 | 1.0 | 0 | 0 | NA |
| Current disease | 3 (6%) | 3 (7%) | 1.0 | 7 (9%) | 3 (6%) | 0.52 |
| Ongoing medication | 5 (11%) | 2 (4%) | 0.43 | 10 (13%) | 4 (7%) | 0.39 |
| Previous medication | 4 (9%) | 2 (4%) | 0.68 | 3 (4%) | 5 (9%) | 0.28 |
| Previous Fracture | 5 (11%) | 6 (13%) | 0.72 | 6 (8%) | 6 (11%) | 0.53 |
| Tanner stage 1/2/3/4/5 | 47/0/0/0/0 | 46/0/0/0/0 | NA | 76/0/0/0/0 | 48/0/0/0/0 | NA |
| Follow-up (after 3 years) | ||||||
| Age | 10.7 (0.6) | 11.1 (0.7) | 0.003 | 10.8 (0.6) | 11.1 (0.6) | 0.01 |
| Lifestyle factors | ||||||
| Smoking | 0 | 0 | NA | 0 | 0 | NA |
| Alcohol | 0 | 0 | NA | 0 | 0 | NA |
| Tanner stage 1/2/3/4/5 (%) | 17/18/9/2/0 | 10/20/14/2/0 | 0.12 | 65/9/2/0/0 | 11/26/14/1/0 | <0.001 |
| Menarche | 3 (6%) | 1 (2%) | 0.62 | —— | —— | —— |
Baseline and follow-up data in the subsample of girls and boys who were measured, presented as numbers and proportion (%) or as means with standard deviations (SD). Statistically significant differences are bolded.