Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Age, sibling number, average grade, and monthly family income of students in the study
| Range | Mean±SD | Median | |
|---|---|---|---|
| Age (year) (n=434) | 10–14 | 11.0±0.6 | 11 |
| Sibling number (n=434) | 0–12 | 1.8±0.9 | 1 |
| Average grade (n=434) | 1.3–5.0 | 4.1±0.9 | 4.3 |
| Income (TRY) (n=356) | 100–7000 | 1051±1034 | 800 |
SD: standard deviation
